Resolve syntax highlighting group in neovim/treesitter (#160)

Co-authored-by: Junegunn Choi <junegunn.c@gmail.com>

.gitattributes

@@ -1,3 +1,4 @@
+.travis.yml    export-ignore
 .gitattributes export-ignore
 .gitignore     export-ignore
 doc/tags       export-ignore

.travis.yml

@@ -0,0 +1,15 @@
+language: vim
+
+before_script: |
+  git clone https://github.com/junegunn/vader.vim.git
+  git clone https://github.com/tpope/vim-repeat
+
+script: |
+  vim -Nu <(cat << VIMRC
+  filetype off
+  set rtp+=vader.vim
+  set rtp+=vim-repeat
+  set rtp+=.
+  filetype plugin indent on
+  syntax enable
+  VIMRC) -c 'Vader! test/*' > /dev/null

DEMO.md

@@ -1,91 +0,0 @@
-# vim: set buftype=nofile colorcolumn= scrolloff=0 noshowcmd:
-
-vim-easy-align
-==============
-
-Where's Lennon?
----------------
-
-Paul McCartney 1942
-George Harrison 1943
-Ringo Starr 1940
-Pete Best 1941
-
-
-Formatting table
-----------------
-```
-
-| Option| Type | Default | Description |
-|--|--|--|--|
-| threads | Fixnum | 1 | number of threads in the thread pool |
-|queues |Fixnum | 1 | number of concurrent queues |
-|queue_size | Fixnum | 1000 | size of each queue |
-|   interval | Numeric | 0 | dispatcher interval for processing |
-|batch | Boolean | false | enables batch processing mode |
- |batch_size | Fixnum | nil | maximum number of items in batch|
- |logger | Logger | nil | logger instance for debug logs |
-
-```
-Operators with = sign
----------------------
-```ruby
-
-a =
-a = 1
-bbbb = 2
-ccccccc = 3
-ccccccccccccccc
-ddd = 4
-eeee === eee = eee = eee=f
-fff = ggg += gg &&= gg
-g != hhhhhhhh == 888
-i   := 5
-i     %= 5
-i       *= 5
-j     =~ 5
-j   >= 5
-aa      =>         123
-aa <<= 123
-aa        >>= 123
-bbb               => 123
-c     => 1233123
-d   =>      123
-dddddd &&= 123
-dddddd ||= 123
-dddddd /= 123
-gg <=> ee
-
-```
-Formatting YAML (or JSON)
--------------------------
-```yaml
-
-mysql:
-  # JDBC driver for MySQL database:
-  driver: com.mysql.jdbc.Driver
-  # JDBC URL for the connection (jdbc:mysql://HOSTNAME/DATABASE)
-  url: jdbc:mysql://localhost/test
-  database: test
-  "user:pass":r00t:pa55
-
-```
-Using blockwise-visual mode or negative N-th parameter
-------------------------------------------------------
-```ruby
-
-options = { :caching => nil,
-            :versions => 3,
-            "cache=blocks" => false }.merge(options)
-
-```
-Commas
-------
-
-aaa,   bb,c
-d,eeeeeee
-fffff, gggggggggg,
-h, ,           ii
-j,,k
-
-

EXAMPLES.md

@@ -1,14 +1,23 @@
-vim-easy-align examples
-=======================
+easy-align examples
+===================
 
 Open this document in your Vim and try it yourself.
 
-This document assumes that you have defined the following mapping.
+This document assumes that you have the following mappings in your .vimrc.
 
 ```vim
-vnoremap <silent> <Enter> :EasyAlign<cr>
+" Start interactive EasyAlign in visual mode (e.g. vipga)
+xmap ga <Plug>(EasyAlign)
+
+" Start interactive EasyAlign for a motion/text object (e.g. gaip)
+nmap ga <Plug>(EasyAlign)
 ```
 
+You can use either of the maps. Place the cursor on the paragraph and press
+
+- `gaip` "(ga) start easy-align on (i)nner (p)aragraph"
+- or `vipga` "(v)isual-select (i)nner (p)aragraph and (ga) start easy-align"
+
 To enable syntax highlighting in the code blocks, define and call the following
 function.
 
@@ -33,15 +42,17 @@ Alignment around whitespaces
 
 You can align text around whitespaces with `<space>` delimiter key.
 
-Try these commands:
+Start the interactive mode as described above (`gaip` or `vipga`) and try
+these commands:
+
+- `<space>`
+- `2<space>`
+- `*<space>`
+- `-<space>`
+- `-2<space>`
 - `<Enter><space>`
-- `<Enter>2<space>`
 - `<Enter>*<space>`
-- `<Enter>-<space>`
-- `<Enter>-2<space>`
-- `<Enter><Enter><space>`
 - `<Enter><Enter>*<space>`
-- `<Enter><Enter><Enter>*<space>`
 
 ### Example
 
@@ -57,12 +68,13 @@ Pete Best 1941
 Formatting table
 ----------------
 
-Try these commands:
+Again, start the interactive mode and try these commands:
+
+- `*|`
+- `**|`
 - `<Enter>*|`
 - `<Enter>**|`
 - `<Enter><Enter>*|`
-- `<Enter><Enter>**|`
-- `<Enter><Enter><Enter>*|`
 
 ### Example
 
@@ -84,15 +96,16 @@ Try these commands:
 Alignment around =
 ------------------
 
-The default rule for delimiter key `=` aligns around a whole family of operators
-containing `=` character.
+The default rule for delimiter key `=` aligns around a whole family of
+operators containing `=` character.
 
-Try these commands:
-- `<Enter>=`
-- `<Enter>*=`
+Try these commands in the interactive mode.
+
+- `=`
+- `*=`
+- `**=`
 - `<Enter>**=`
-- `<Enter><Enter>**=`
-- `<Enter><Enter><Enter>*=`
+- `<Enter><Enter>*=`
 
 ### Example
 
@@ -128,8 +141,8 @@ gg <=> ee
 Formatting YAML (or JSON)
 -------------------------
 
-Try `<Enter>:` here, to align text around only the first occurrences of colons.
-In this case, you don't want to align around all the colons: `<Enter>*:`.
+You can use `:`-rule here to align text around only the first occurrences of
+colons. In this case, you don't want to align around all the colons: `*:`.
 
 ```yaml
 mysql:
@@ -144,7 +157,7 @@ mysql:
 Formatting multi-line method chaining
 -------------------------------------
 
-Try `<Enter>.` or `<Enter>*.` on the following lines.
+Try `.` or `*.` on the following lines.
 
 ```ruby
 my_object
@@ -170,8 +183,8 @@ Using blockwise-visual mode or negative N-th parameter
 ------------------------------------------------------
 
 You can try either:
-- select text around `=>` in blockwise-visual mode (`CTRL-V`) and `<Enter>=`
-- or `<Enter>-=`
+- select text around `=>` in blockwise-visual mode (`CTRL-V`) and `ga=`
+- or `gaip-=`
 
 ```ruby
 options = { :caching => nil,
@@ -182,8 +195,7 @@ options = { :caching => nil,
 Commas
 ------
 
-There is also a predefined rule for commas, try `<Enter>*,` on the following
-lines.
+There is also a predefined rule for commas, try `*,`.
 
 ```
 aaa,   bb,c
@@ -197,7 +209,7 @@ Ignoring delimiters in comments or strings
 ------------------------------------------
 
 Delimiters highlighted as comments or strings are ignored by default, try
-`<Enter>*=` on the following lines.
+`gaip*=` on the following lines.
 
 ```c
 
@@ -214,14 +226,17 @@ This only works when syntax highlighting is enabled.
 Aligning in-line comments
 -------------------------
 
+*Note: Since the current version provides '#'-rule as one of the default rules,
+you can ignore this section.*
+
 ```ruby
 apple = 1 # comment not aligned
 banana = 'Gros Michel' # comment 2
 ```
 
-So, how do we align the trailing comments in the above lines?
-Simply try `<Enter>-<space>`. The spaces in the comments are ignored, so the
-trailing comment in each line is considered to be a single chunk.
+So, how do we align the trailing comments in the above lines? Simply try
+`-<space>`. The spaces in the comments are ignored, so the trailing comment in
+each line is considered to be a single chunk.
 
 But that doesn't work in the following case.
 
@@ -246,7 +261,7 @@ let g:easy_align_delimiters['#'] = { 'pattern': '#', 'ignore_groups': ['String']
 Notice that the rule overrides `ignore_groups` attribute in order *not to ignore*
 delimiters highlighted as comments.
 
-Then on `<Enter>#`, we get
+Then on `#`, we get
 
 ```ruby
 apple = 1         # comment not aligned
@@ -259,13 +274,16 @@ command:
 
 ```vim
 " Using regular expression /#/
-" - "is" is fuzzy-matched to "*i*gnore*s*"
-:EasyAlign/#/{'is':['String']}
+" - "ig" is a shorthand notation of "ignore_groups"
+:EasyAlign/#/{'ig':['String']}
+
+" Or more concisely with the shorthand notation;
+:EasyAlign/#/ig['String']
 ```
 
-In this case, the second line is ignored as it doesn't contain a `#`. (The one
-highlighted as String is ignored.) If you don't want the second line to be
-ignored, there are three options:
+In this case, the second line is ignored as it doesn't contain a `#` (The one
+in `'F#AD'` is ignored as it's highlighted as String). If you don't want the
+second line to be ignored, there are three options:
 
 1. Set global `g:easy_align_ignore_unmatched` flag to 0
 2. Use `:EasyAlign` command with `ignore_unmatched` option
@@ -277,11 +295,13 @@ let g:easy_align_ignore_unmatched = 0
 
 " 2. Using :EasyAlign command with ignore_unmatched option
 " 2-1. Using predefined rule with delimiter key #
-"      - "iu" is fuzzy-matched to "*i*gnore_*u*nmatched"
+"      - "iu" is expanded to "*i*gnore_*u*nmatched"
 :EasyAlign#{'iu':0}
+" or
+:EasyAlign#iu0
 
 " 2-2. Using regular expression /#/
-:EasyAlign/#/{'is':['String'],'iu':0}
+:EasyAlign/#/ig['String']iu0
 
 " 3. Update the alignment rule with ignore_unmatched option
 let g:easy_align_delimiters['#'] = {
@@ -308,7 +328,7 @@ static double pi = 3.14;
 ```
 
 We can align these lines with the predefined `=` rule. Select the lines and
-press `<Enter>=`
+press `ga=`
 
 ```c
 const char* str  = "Hello";
@@ -318,7 +338,7 @@ static double pi = 3.14;
 
 Not bad. However, the names of the variables, `str`, `count`, and `pi` are not
 aligned with each other. Can we do better? We can clearly see that simple
-`<Enter><space>` won't properly align those names.
+`<space>`-rule won't properly align those names.
 So let's define an alignment rule than can handle this case.
 
 ```vim
@@ -329,7 +349,7 @@ let g:easy_align_delimiters['d'] = {
 ```
 
 This new rule aligns text around spaces that are *not* preceded by
-`const` or `static`. Let's try it with `<Enter>d`.
+`const` or `static`. Let's select the lines and try `gad`.
 
 ```c
 const char*   str = "Hello";
@@ -338,7 +358,7 @@ static double pi = 3.14;
 ```
 
 Okay, the names are now aligned. We select the lines again with `gv`, and then
-press `<Enter>=` to finish our alignment.
+press `ga=` to finish our alignment.
 
 ```c
 const char*   str   = "Hello";
@@ -369,14 +389,14 @@ So what do we do? Let's try to improve our alignment rule.
 
 ```vim
 let g:easy_align_delimiters['d'] = {
-\ 'pattern': ' \(\S\+\s*[;=]\)\@=',
+\ 'pattern': ' \ze\S\+\s*[;=]',
 \ 'left_margin': 0, 'right_margin': 0
 \ }
 ```
 
 Now the new rule has changed to align text around spaces that are followed
 by some non-whitespace characters and then an equals sign or a semi-colon.
-Try `<Enter>d`
+Try `vipgad`
 
 ```c
 const char*                          str = "Hello";
@@ -385,7 +405,7 @@ static double                        pi = 3.14;
 static std::map<std::string, float>* scores = pointer;
 ```
 
-We're right on track, now press `gv<Enter>=` and voila!
+We're right on track, now press `gvga=` and voila!
 
 ```c
 const char*                          str    = "Hello";

README.md

@@ -1,92 +1,148 @@
-vim-easy-align
+vim-easy-align ![travis-ci](https://travis-ci.org/junegunn/vim-easy-align.svg?branch=master)
 ==============
 
 A simple, easy-to-use Vim alignment plugin.
 
-Demo
-----
-
-![Screencast](https://raw.github.com/junegunn/vim-easy-align/gif/vim-easy-align.gif)
-
-(Too fast? Slower GIF is [here](https://raw.github.com/junegunn/vim-easy-align/gif/vim-easy-align-slow.gif))
-
-Features
---------
-
-- Easy to use
-  - Comes with a predefined set of alignment rules
-  - Provides a fast and intuitive interface
-- Extensible
-  - You can define your own rules
-  - Supports arbitrary regular expressions
-- Optimized for code editing
-  - Takes advantage of syntax highlighting feature to avoid unwanted alignments
-
-### _"I already have a similar one. Should I switch?"_
-
-Maybe or maybe not. See [related work](https://github.com/junegunn/vim-easy-align#related-work) section.
+![](https://raw.githubusercontent.com/junegunn/i/master/easy-align/equals.gif)
 
 Installation
 ------------
 
-Either [download zip file](http://www.vim.org/scripts/script.php?script_id=4520)
-and extract in ~/.vim or
-[use](https://github.com/tpope/vim-pathogen)
-[your](https://github.com/gmarik/vundle)
-[favorite](https://github.com/junegunn/vim-plug)
-[plugin](https://github.com/Shougo/neobundle.vim)
-[manager](https://github.com/MarcWeber/vim-addon-manager).
+Use your favorite plugin manager.
 
-- [Pathogen](https://github.com/tpope/vim-pathogen)
-  - `git clone https://github.com/junegunn/vim-easy-align.git ~/.vim/bundle/vim-easy-align`
-- [Vundle](https://github.com/gmarik/vundle)
-  1. Add `Bundle 'junegunn/vim-easy-align'` to .vimrc
-  2. Run `:BundleInstall`
-- [NeoBundle](https://github.com/Shougo/neobundle.vim)
-  1. Add `NeoBundle 'junegunn/vim-easy-align'` to .vimrc
-  2. Run `:NeoBundleInstall`
-- [vim-plug](https://github.com/junegunn/vim-plug)
-  1. Add `Plug 'junegunn/vim-easy-align'` to .vimrc
-  2. Run `:PlugInstall`
+Using [vim-plug](https://github.com/junegunn/vim-plug):
+
+```vim
+Plug 'junegunn/vim-easy-align'
+```
+
+Quick start guide
+-----------------
+
+Add the following mappings to your .vimrc.
+
+```vim
+" Start interactive EasyAlign in visual mode (e.g. vipga)
+xmap ga <Plug>(EasyAlign)
+
+" Start interactive EasyAlign for a motion/text object (e.g. gaip)
+nmap ga <Plug>(EasyAlign)
+```
+
+Then with the following lines of text,
+
+```
+apple   =red
+grass+=green
+sky-=   blue
+```
+
+try these commands:
+
+- `vipga=`
+    - `v`isual-select `i`nner `p`aragraph
+    - Start EasyAlign command (`ga`)
+    - Align around `=`
+- `gaip=`
+    - Start EasyAlign command (`ga`) for `i`nner `p`aragraph
+    - Align around `=`
+
+Demo
+----
+
+*Click on each image to see from the beginning.*
+
+### Using predefined alignment rules
+
+An *alignment rule* is a predefined set of options for common alignment tasks,
+which is identified by a single character, such as `<Space>`, `=`, `:`, `.`,
+`|`, `&`, `#`, and `,`.
+
+#### `=`
+
+![](https://raw.githubusercontent.com/junegunn/i/master/easy-align/equals.gif)
+
+- `=` Around the 1st occurrences
+- `2=` Around the 2nd occurrences
+- `*=` Around all occurrences
+- `**=` Left/Right alternating alignment around all occurrences
+- `<Enter>` Switching between left/right/center alignment modes
+
+#### `<Space>`
+
+![](https://raw.githubusercontent.com/junegunn/i/master/easy-align/spaces.gif)
+
+- `<Space>` Around the 1st occurrences of whitespaces
+- `2<Space>` Around the 2nd occurrences
+- `-<Space>` Around the last occurrences
+- `<Enter><Enter>2<Space>` Center-alignment around the 2nd occurrences
+
+#### `,`
+
+![](https://raw.githubusercontent.com/junegunn/i/master/easy-align/commas.gif)
+
+- The predefined comma-rule places a comma right next to the preceding token
+  without margin (`{'stick_to_left': 1, 'left_margin': 0}`)
+- You can change it with `<Right>` arrow
+
+### Using regular expression
+
+![](https://raw.githubusercontent.com/junegunn/i/master/easy-align/regex.gif)
+
+You can use an arbitrary regular expression by
+- pressing `<Ctrl-X>` in interactive mode
+- or using `:EasyAlign /REGEX/` command in visual mode or in normal mode with
+  a range (e.g. `:%`)
+
+### Different ways to start
+
+![](https://raw.githubusercontent.com/junegunn/i/master/easy-align/modes.gif)
+
+This demo shows how you can start interactive mode with visual selection or use
+non-interactive `:EasyAlign` command.
+
+### Aligning table cells
+
+![](https://raw.githubusercontent.com/junegunn/i/master/easy-align/tables.gif)
+
+Check out various alignment options and "live interactive mode".
+
+### Syntax-aware alignment
+
+![](https://raw.githubusercontent.com/junegunn/i/master/easy-align/yaml.gif)
+
+Delimiters in strings and comments are ignored by default.
+
+### Using blockwise-visual mode
+
+![](https://raw.githubusercontent.com/junegunn/i/master/easy-align/blockwise-visual.gif)
+
+You can limit the scope with blockwise-visual mode.
 
 Usage
 -----
 
-_vim-easy-align_ defines `:EasyAlign` command (and the right-align
-variant `:EasyAlign!`) for visual mode.
+### Flow of execution
 
-| Mode                      | Command                                          |
-| ------------------------- | ------------------------------------------------ |
-| Interactive mode          | `:EasyAlign[!] [OPTIONS]`                        |
-| Using predefined rules    | `:EasyAlign[!] [N-th] DELIMITER_KEY [OPTIONS]`   |
-| Using regular expressions | `:EasyAlign[!] [N-th] /REGEXP/ [OPTIONS]`        |
+<img src="https://raw.githubusercontent.com/junegunn/i/master/easy-align/usage.png" width="469">
 
-### Concept of _alignment rule_
+There are two ways to use easy-align.
 
-An *alignment rule* is a predefined set of options for common alignment tasks,
-which is identified by a single character, *DELIMITER KEY*, such as `<space>`,
-`=`, `:`, `.`, `|`, and `,`.
+#### 1. `<Plug>` mappings (interactive mode)
 
-Think of it as a shortcut. Instead of writing regular expression and setting
-several options, you can just type in a single character.
-
-### Interactive mode
-
-The command will go into the interactive mode when no argument is given.
-For convenience, it is advised that you define a mapping for triggering it in
-your `.vimrc`.
+The recommended method is to use `<Plug>(EasyAlign)` mapping in normal and
+visual mode. They are usually mapped to `ga`, but you can choose any key
+sequences.
 
 ```vim
-vnoremap <silent> <Enter> :EasyAlign<Enter>
+nmap ga <Plug>(EasyAlign)
+xmap ga <Plug>(EasyAlign)
 ```
 
-(Of course you can use any key combination as the trigger. e.g. `<Leader>a`)
-
-With the mapping, you can align selected lines of text with only a few keystrokes.
-
-1. `<Enter>` key to start interactive EasyAlign command
-1. Optional: Enter keys to select alignment mode (left, right, or center)
-1. Optional: N-th delimiter (default: 1)
+1. `ga` key in visual mode, or `ga` followed by a motion or a text
+   object to start interactive mode
+1. (Optional) Enter keys to cycle between alignment mode (left, right, or center)
+1. (Optional) N-th delimiter (default: 1)
     - `1`         Around the 1st occurrences of delimiters
     - `2`         Around the 2nd occurrences of delimiters
     - ...
@@ -95,160 +151,161 @@ With the mapping, you can align selected lines of text with only a few keystroke
     - `-`         Around the last occurrences of delimiters (`-1`)
     - `-2`        Around the second to last occurrences of delimiters
     - ...
-1. Delimiter key (a single keystroke; `<space>`, `=`, `:`, `.`, `|`, `,`)
+1. Delimiter key (a single keystroke; `<Space>`, `=`, `:`, `.`, `|`, `&`, `#`, `,`) or an arbitrary regular expression followed by `<CTRL-X>`
 
-Alignment rules for the following delimiters have been defined to meet the most needs.
+#### 2. Using `:EasyAlign` command
 
-| Delimiter key | Description/Use cases                                                |
-| ------------- | -------------------------------------------------------------------- |
-| `<space>`     | General alignment around whitespaces                                 |
-| `=`           | Operators containing equals sign (`=`, `==,` `!=`, `+=`, `&&=`, ...) |
-| `:`           | Suitable for formatting JSON or YAML                                 |
-| `.`           | Multi-line method chaining                                           |
-| `,`           | Multi-line method arguments                                          |
-| &#124;        | Table markdown                                                       |
+If you prefer command-line, use `:EasyAlign` command instead.
 
-You can override these default rules or define your own rules with
-`g:easy_align_delimiters`, which will be described in
-[the later section](https://github.com/junegunn/vim-easy-align#extending-alignment-rules).
+```vim
+" Using predefined rules
+:EasyAlign[!] [N-th] DELIMITER_KEY [OPTIONS]
 
-#### Example command sequences
+" Using regular expression
+:EasyAlign[!] [N-th] /REGEXP/ [OPTIONS]
+```
 
-| With visual map     | Description                                             | Equivalent command              |
-| ------------------- | ------------------------------------------------------- | ------------------------------- |
-| `<Enter><space>`    | Alignment around 1st whitespaces                        | `:'<,'>EasyAlign\ `             |
-| `<Enter>2<space>`   | Alignment around 2nd whitespaces                        | `:'<,'>EasyAlign2\ `            |
-| `<Enter>-<space>`   | Alignment around the last whitespaces                   | `:'<,'>EasyAlign-\ `            |
-| `<Enter>-2<space>`  | Alignment around the 2nd to last whitespaces            | `:'<,'>EasyAlign-2\ `           |
-| `<Enter>:`          | Alignment around 1st colon (`key:  value`)              | `:'<,'>EasyAlign:`              |
-| `<Enter><Right>:`   | Alignment around 1st colon (`key : value`)              | `:'<,'>EasyAlign:{'s':0,'l':1}` |
-| `<Enter>=`          | Alignment around 1st operators with =                   | `:'<,'>EasyAlign=`              |
-| `<Enter>2=`         | Alignment around 2nd operators with =                   | `:'<,'>EasyAlign2=`             |
-| `<Enter>3=`         | Alignment around 3rd operators with =                   | `:'<,'>EasyAlign3=`             |
-| `<Enter>*=`         | Alignment around all operators with =                   | `:'<,'>EasyAlign*=`             |
-| `<Enter>**=`        | Left-right alternating alignment around all = operators | `:'<,'>EasyAlign**=`            |
-| `<Enter><Enter>=`   | Right alignment around 1st equals signs                 | `:'<,'>EasyAlign!=`             |
-| `<Enter><Enter>**=` | Right-left alternating alignment around all = operators | `:'<,'>EasyAlign!**=`           |
+### Regular expression vs. predefined rules
 
-#### Using regular expressions
+You can use regular expressions but it's usually much easier to use predefined
+alignment rules that you can trigger with a single keystroke.
 
-Instead of finishing the command with a predefined delimiter key, you can type
-in a regular expression after `<CTRL-/>` or `<CTRL-X>` key.
-For example, if you want to align text around all occurrences of numbers:
+| Key       | Description/Use cases                                                |
+| --------- | -------------------------------------------------------------------- |
+| `<Space>` | General alignment around whitespaces                                 |
+| `=`       | Operators containing equals sign (`=`, `==,` `!=`, `+=`, `&&=`, ...) |
+| `:`       | Suitable for formatting JSON or YAML                                 |
+| `.`       | Multi-line method chaining                                           |
+| `,`       | Multi-line method arguments                                          |
+| `&`       | LaTeX tables (matches `&` and `\\`)                                  |
+| `#`       | Ruby/Python comments                                                 |
+| `"`       | Vim comments                                                         |
+| `<Bar>`   | Table markdown                                                       |
 
-- `<Enter>`
-- `*`
-- `<CTRL-/>` (or `<CTRL-X>` on GVim)
-  - `[0-9]\+`
+You can also define your own rules with `g:easy_align_delimiters` which will
+be described in [the later section](#extending-alignment-rules).
+
+----
+
+### Interactive mode
+
+Interactive mode is started either with `<Plug>(EasyAlign)` mapping or with
+`:EasyAlign` command with no argument.
+
+#### Examples using predefined rules
+
+| Keystrokes   | Description                        | Equivalent command    |
+| ------------ | ---------------------------------- | --------------------- |
+| `<Space>`    | Around 1st whitespaces             | `:'<,'>EasyAlign\ `   |
+| `2<Space>`   | Around 2nd whitespaces             | `:'<,'>EasyAlign2\ `  |
+| `-<Space>`   | Around the last whitespaces        | `:'<,'>EasyAlign-\ `  |
+| `-2<Space>`  | Around the 2nd to last whitespaces | `:'<,'>EasyAlign-2\ ` |
+| `:`          | Around 1st colon (`key:  value`)   | `:'<,'>EasyAlign:`    |
+| `<Right>:`   | Around 1st colon (`key : value`)   | `:'<,'>EasyAlign:>l1` |
+| `=`          | Around 1st operators with =        | `:'<,'>EasyAlign=`    |
+| `3=`         | Around 3rd operators with =        | `:'<,'>EasyAlign3=`   |
+| `*=`         | Around all operators with =        | `:'<,'>EasyAlign*=`   |
+| `**=`        | Left-right alternating around =    | `:'<,'>EasyAlign**=`  |
+| `<Enter>=`   | Right alignment around 1st =       | `:'<,'>EasyAlign!=`   |
+| `<Enter>**=` | Right-left alternating around =    | `:'<,'>EasyAlign!**=` |
+
+Instead of finishing the alignment with a delimiter key, you can type in
+a regular expression if you press `<CTRL-/>` or `<CTRL-X>`.
 
 #### Alignment options in interactive mode
 
 While in interactive mode, you can set alignment options using special shortcut
 keys listed below. The meaning of each option will be described in
-[the following sections](https://github.com/junegunn/vim-easy-align#alignment-options).
+[the following sections](#alignment-options).
 
 | Key       | Option             | Values                                             |
-| --------  | ------------------ | -------------------------------------------------- |
+| --------- | ------------------ | -------------------------------------------------- |
+| `CTRL-F`  | `filter`           | Input string (`[gv]/.*/?`)                         |
 | `CTRL-I`  | `indentation`      | shallow, deep, none, keep                          |
 | `CTRL-L`  | `left_margin`      | Input number or string                             |
 | `CTRL-R`  | `right_margin`     | Input number or string                             |
 | `CTRL-D`  | `delimiter_align`  | left, center, right                                |
 | `CTRL-U`  | `ignore_unmatched` | 0, 1                                               |
-| `CTRL-G`  | `ignore_groups`    | [], ['String'], ['Comment'], ['String', 'Comment'] |
-| `CTRL-O`  | `mode_sequence`    | Input string of `/[lrc]+\*{0,2}/`                  |
+| `CTRL-G`  | `ignore_groups`    | `[]`, `['String']`, `['Comment']`, `['String', 'Comment']` |
+| `CTRL-A`  | `align`            | Input string (`/[lrc]+\*{0,2}/`)                   |
 | `<Left>`  | `stick_to_left`    | `{ 'stick_to_left': 1, 'left_margin': 0 }`         |
 | `<Right>` | `stick_to_left`    | `{ 'stick_to_left': 0, 'left_margin': 1 }`         |
 | `<Down>`  | `*_margin`         | `{ 'left_margin': 0, 'right_margin': 0 }`          |
 
-After a successful alignment, you can repeat the same operation using the
-repeatable, non-interactive command recorded in `g:easy_align_last_command`.
+#### Live interactive mode
 
-```vim
-:<C-R>=g:easy_align_last_command<Enter><Enter>
-```
+If you're performing a complex alignment where multiple options should be
+carefully adjusted, try "live interactive mode" where you can preview the result
+of the alignment on-the-fly as you type in.
 
----
+Live interactive mode can be started with either `<Plug>(LiveEasyAlign)` map
+or `:LiveEasyAlign` command. Or you can switch to live interactive mode while
+in ordinary interactive mode by pressing `<CTRL-P>`. (P for Preview)
 
-### *Intermission*
+In live interactive mode, you have to type in the same delimiter (or
+`<CTRL-X>` on regular expression) again to finalize the alignment. This allows
+you to preview the result of the alignment and freely change the delimiter
+using backspace key without leaving the interactive mode.
 
-You can stop reading here. Trust me. All the fancy features described in the
-following sections are really powerful but you won't be needing them in most
-of the cases.
+### :EasyAlign command
 
-Go try out vim-easy-align right now, and come back later when you feel like it.
-
----
-
-### Non-interactive mode (command line)
-
-Instead of going into the interactive mode, you can type in arguments to
-`:EasyAlign` command.
+Instead of starting interactive mode, you can use non-interactive `:EasyAlign`
+command.
 
 ```vim
 " Using predefined alignment rules
-:EasyAlign[!] [N-th] DELIMITER_KEY [OPTIONS]
+"   :EasyAlign[!] [N-th] DELIMITER_KEY [OPTIONS]
+:EasyAlign :
+:EasyAlign =
+:EasyAlign *=
+:EasyAlign 3\
 
 " Using arbitrary regular expressions
-:EasyAlign[!] [N-th] /REGEXP/ [OPTIONS]
+"   :EasyAlign[!] [N-th] /REGEXP/ [OPTIONS]
+:EasyAlign /[:;]\+/
+:EasyAlign 2/[:;]\+/
+:EasyAlign */[:;]\+/
+:EasyAlign **/[:;]\+/
 ```
 
-For example, when aligning the following lines around colons and semi-colons,
-
-    apple;:banana::cake
-    data;;exchange:;format
-
-try these commands:
-
-- `:EasyAlign /[:;]\+/`
-- `:EasyAlign 2/[:;]\+/`
-- `:EasyAlign */[:;]\+/`
-- `:EasyAlign **/[:;]\+/`
-
-Notice that you can't append `\zs` to your regular expression to put delimiters
-on the left. It can be done by providing additional options in Vim dictionary
-format.
+A command can end with alignment options, [each of which will be discussed in
+detail later](#alignment-options), in Vim dictionary format.
 
 - `:EasyAlign * /[:;]\+/ { 'stick_to_left': 1, 'left_margin': 0 }`
 
-Then we get:
+`stick_to_left` of 1 means that the matched delimiter should be positioned right
+next to the preceding token, and `left_margin` of 0 removes the margin on the
+left. So we get:
 
     apple;: banana::   cake
     data;;  exchange:; format
 
-Option names are fuzzy-matched, so you can write as follows:
+You don't have to write complete names as long as they're distinguishable.
 
 - `:EasyAlign * /[:;]\+/ { 'stl': 1, 'l': 0 }`
 
-You can even omit spaces between the arguments, so concisely (or cryptically):
+You can even omit spaces between the arguments.
 
 - `:EasyAlign*/[:;]\+/{'s':1,'l':0}`
 
-Nice. But let's make it even shorter. When you use write regular expression in
-command line, option values can be written in shorthand notation.
+Nice. But let's make it even shorter. Option values can be written in shorthand
+notation.
 
-- `:EasyAlign*/[:;]\+/s1l0`
+- `:EasyAlign*/[:;]\+/<l0`
 
 The following table summarizes the shorthand notation.
 
-| Option           | Expression |
-| ---------------- | ---------- |
-| left_margin      | `l[0-9]+`  |
-| right_margin     | `r[0-9]+`  |
-| stick_to_left    | `s[01]`    |
-| ignore_unmatched | `iu[01]`   |
-| ignore_groups    | `ig\[.*\]` |
-| delimiter_align  | `d[lrc]`   |
-| mode_sequence    | `m[lrc*]*` |
-| indentation      | `i[ksdn]`  |
-
-For your information, the same thing can be done in the interactive mode as well
-with the following key combination.
-
-- `<Enter>`
-- `*`
-- `<Left>`
-- `<CTRL-/>` (or `<CTRL-X>` on GVim)
-  - `[:;]\+`
+| Option             | Expression     |
+| ------------------ | -------------- |
+| `filter`           | `[gv]/.*/`     |
+| `left_margin`      | `l[0-9]+`      |
+| `right_margin`     | `r[0-9]+`      |
+| `stick_to_left`    | `<` or `>`     |
+| `ignore_unmatched` | `iu[01]`       |
+| `ignore_groups`    | `ig\[.*\]`     |
+| `align`            | `a[lrc*]*`     |
+| `delimiter_align`  | `d[lrc]`       |
+| `indentation`      | `i[ksdn]`      |
 
 ### Partial alignment in blockwise-visual mode
 
@@ -277,6 +334,7 @@ my_hash = { :a   => 1,
 However, in this case, we don't really need blockwise visual mode
 since the same can be easily done using the negative N-th parameter: `<Enter>-=`
 
+
 Alignment options
 -----------------
 
@@ -284,6 +342,7 @@ Alignment options
 
 | Option             | Type    | Default               | Description                                             |
 | ------------------ | ------- | --------------------- | ------------------------------------------------------- |
+| `filter`           | string  |                       | Line filtering expression: `g/../` or `v/../`           |
 | `left_margin`      | number  | 1                     | Number of spaces to attach before delimiter             |
 | `left_margin`      | string  | `' '`                 | String to attach before delimiter                       |
 | `right_margin`     | number  | 1                     | Number of spaces to attach after delimiter              |
@@ -293,7 +352,7 @@ Alignment options
 | `ignore_unmatched` | boolean | 1                     | Whether to ignore lines without matching delimiter      |
 | `indentation`      | string  | `k`                   | Indentation method (*k*eep, *d*eep, *s*hallow, *n*one)  |
 | `delimiter_align`  | string  | `r`                   | Determines how to align delimiters of different lengths |
-| `mode_sequence`    | string  |                       | Alignment modes for multiple occurrences of delimiters  |
+| `align`            | string  | `l`                   | Alignment modes for multiple occurrences of delimiters  |
 
 There are 4 ways to set alignment options (from lowest precedence to highest):
 
@@ -302,16 +361,41 @@ There are 4 ways to set alignment options (from lowest precedence to highest):
 3. Option values can be given as arguments to `:EasyAlign` command
 4. Option values can be set in interactive mode using special shortcut keys
 
-| Option name        | Shortcut key        | Abbreviated | Global variable                 |
-| ------------------ | ------------------- | ----------- | ------------------------------- |
-| `left_margin`      | `CTRL-L`            | `l[0-9]+`   |                                 |
-| `right_margin`     | `CTRL-R`            | `r[0-9]+`   |                                 |
-| `stick_to_left`    | `<Left>`, `<Right>` | `s[01]`     |                                 |
-| `ignore_groups`    | `CTRL-G`            | `ig\[.*\]`  | `g:easy_align_ignore_groups`    |
-| `ignore_unmatched` | `CTRL-U`            | `iu[01]`    | `g:easy_align_ignore_unmatched` |
-| `indentation`      | `CTRL-I`            | `i[ksdn]`   | `g:easy_align_indentation`      |
-| `delimiter_align`  | `CTRL-D`            | `d[lrc]`    | `g:easy_align_delimiter_align`  |
-| `mode_sequence`    | `CTRL-O`            | `m[lrc*]*`  |                                 |
+| Option name        | Shortcut key        | Abbreviated    | Global variable                 |
+| ------------------ | ------------------- | -------------- | ------------------------------- |
+| `filter`           | `CTRL-F`            | `[gv]/.*/`     |                                 |
+| `left_margin`      | `CTRL-L`            | `l[0-9]+`      |                                 |
+| `right_margin`     | `CTRL-R`            | `r[0-9]+`      |                                 |
+| `stick_to_left`    | `<Left>`, `<Right>` | `<` or `>`     |                                 |
+| `ignore_groups`    | `CTRL-G`            | `ig\[.*\]`     | `g:easy_align_ignore_groups`    |
+| `ignore_unmatched` | `CTRL-U`            | `iu[01]`       | `g:easy_align_ignore_unmatched` |
+| `indentation`      | `CTRL-I`            | `i[ksdn]`      | `g:easy_align_indentation`      |
+| `delimiter_align`  | `CTRL-D`            | `d[lrc]`       | `g:easy_align_delimiter_align`  |
+| `align`            | `CTRL-A`            | `a[lrc*]*`     |                                 |
+
+### Filtering lines
+
+With `filter` option, you can align lines that only match or do not match a
+given pattern. There are several ways to set the pattern.
+
+1. Press `CTRL-F` in interactive mode and type in `g/pat/` or `v/pat/`
+2. In command-line, it can be written in dictionary format: `{'filter': 'g/pat/'}`
+3. Or in shorthand notation: `g/pat/` or `v/pat/`
+
+(You don't need to escape '/'s in the regular expression)
+
+#### Examples
+
+```vim
+" Start interactive mode with filter option set to g/hello/
+EasyAlign g/hello/
+
+" Start live interactive mode with filter option set to v/goodbye/
+LiveEasyAlign v/goodbye/
+
+" Align the lines with 'hi' around the first colons
+EasyAlign:g/hi/
+```
 
 ### Ignoring delimiters in comments or strings
 
@@ -322,7 +406,7 @@ highlighted as code comments or strings are ignored.
 ```vim
 " Default:
 "   If a delimiter is in a highlight group whose name matches
-"   any of the followings, it will be ignored.
+"   any of the following regular expressions, it will be ignored.
 let g:easy_align_ignore_groups = ['Comment', 'String']
 ```
 
@@ -360,7 +444,7 @@ You can change the default rule by using one of these 4 methods.
 2. Define global `g:easy_align_ignore_groups` list
 3. Define a custom rule in `g:easy_align_delimiters` with `ignore_groups` option
 4. Provide `ignore_groups` option to `:EasyAlign` command.
-   e.g. `:EasyAlign:{'ig':[]}`
+   e.g. `:EasyAlign:ig[]`
 
 For example if you set `ignore_groups` option to be an empty list, you get
 
@@ -375,14 +459,37 @@ For example if you set `ignore_groups` option to be an empty list, you get
 }
 ```
 
-Satisfied? :satisfied:
+If a pattern in `ignore_groups` is prepended by a `!`, it will have the opposite
+meaning. For instance, if `ignore_groups` is given as `['!Comment']`, delimiters
+that are *not* highlighted as Comment will be ignored during the alignment.
+
+To make `ignore_groups` work, and to debug the related issues, it is useful to
+know which highlight group a certain location in a file belongs to. A special
+function exists for this purpose, returning exactly the name of the highlight
+group that is used by the easy align plugin.
+
+```vim
+" Highlight group name of the cursor position
+echo easy_align#get_highlight_group_name()
+
+" Highlight group name of the line 10, column 20
+echo easy_align#get_highlight_group_name(10, 20)
+```
 
 ### Ignoring unmatched lines
 
-Lines without any matching delimiter are ignored as well (except in
-right-align mode).
+`ignore_unmatched` option determines how EasyAlign command processes lines that
+do not have N-th delimiter.
 
-For example, when aligning the following code block around the colons,
+1. In left-alignment mode, they are ignored
+2. In right or center-alignment mode, they are *not* ignored, and the last
+   tokens from those lines are aligned as well as if there is an invisible
+   trailing delimiter at the end of each line
+3. If `ignore_unmatched` is 1, they are ignored regardless of the alignment mode
+4. If `ignore_unmatched` is 0, they are *not* ignored regardless of the mode
+
+Let's take an example.
+When we align the following code block around the (1st) colons,
 
 ```ruby
 {
@@ -406,13 +513,13 @@ this is usually what we want.
 }
 ```
 
-However, this default behavior is also configurable by using one of these 4
-methods.
+However, we can override this default behavior by setting `ignore_unmatched`
+option to zero using one of the following methods.
 
 1. Press `CTRL-U` in interactive mode to toggle `ignore_unmatched` option
 2. Set the global `g:easy_align_ignore_unmatched` variable to 0
 3. Define a custom alignment rule with `ignore_unmatched` option set to 0
-4. Provide `ignore_unmatched` option to `:EasyAlign` command. e.g. `:EasyAlign:{'iu':0}`
+4. Provide `ignore_unmatched` option to `:EasyAlign` command. e.g. `:EasyAlign:iu0`
 
 Then we get,
 
@@ -446,7 +553,7 @@ banana  += apple
 cake   ||= banana
 ```
 
-However, with `:EasyAlign={'da':l}`, delimiters are left-aligned.
+However, with `:EasyAlign=dl`, delimiters are left-aligned.
 
 ```ruby
 apple  =   1
@@ -454,7 +561,7 @@ banana +=  apple
 cake   ||= banana
 ```
 
-And on `:EasyAlign={'da':c}`, center-aligned.
+And on `:EasyAlign=dc`, center-aligned.
 
 ```ruby
 apple   =  1
@@ -486,7 +593,7 @@ then again we have `indentation` option. See the following example.
      eggplant = 5
 
 # Use the _s_hallowest indentation among the lines
-#   :EasyAlign={'idt':s}
+#   :EasyAlign=is
   apple    = 1
   banana   = 2
   cake     = 3
@@ -494,7 +601,7 @@ then again we have `indentation` option. See the following example.
   eggplant = 5
 
 # Use the _d_eepest indentation among the lines
-#   :EasyAlign={'idt':d}
+#   :EasyAlign=id
         apple    = 1
         banana   = 2
         cake     = 3
@@ -502,7 +609,7 @@ then again we have `indentation` option. See the following example.
         eggplant = 5
 
 # Indentation: _n_one
-#   :EasyAlign={'idt':n}
+#   :EasyAlign=in
 apple    = 1
 banana   = 2
 cake     = 3
@@ -510,30 +617,8 @@ daisy    = 4
 eggplant = 5
 ```
 
-Notice that `idt` is fuzzy-matched to `indentation`.
-
 In interactive mode, you can change the option value with `CTRL-I` key.
 
-### Left/right/center mode switch in interactive mode
-
-In interactive mode, you can choose the alignment mode you want by pressing
-enter keys. The non-bang command, `:EasyAlign` starts in left-alignment mode
-and changes to right and center mode as you press enter keys, while the bang
-version first starts in right-alignment mode.
-
-- `:EasyAlign`
-  - Left, Right, Center
-- `:EasyAlign!`
-  - Right, Left, Center
-
-If you do not prefer this default mode transition, you can define your own
-settings as follows.
-
-```vim
-let g:easy_align_interactive_modes = ['l', 'r']
-let g:easy_align_bang_interactive_modes = ['c', 'r']
-```
-
 ### Alignments over multiple occurrences of delimiters
 
 As stated above, "N-th" parameter is used to target specific occurrences of
@@ -561,35 +646,38 @@ To recap:
 :EasyAlign! **=
 ```
 
-In addition to these, you can fine-tune alignments over multiple occurrences of
-the delimiters with 'mode_sequence' option. (The option can also be set
-in interactive mode with the special key `CTRL-O`)
+In addition to these, you can fine-tune alignments over multiple occurrences
+of the delimiters with 'align' option. (The option can also be set in
+interactive mode with the special key `CTRL-A`)
 
 ```vim
 " Left alignment over the first two occurrences of delimiters
-:EasyAlign = { 'mode_sequence': 'll' }
+:EasyAlign = { 'align': 'll' }
 
 " Right, left, center alignment over the 1st to 3rd occurrences of delimiters
-:EasyAlign = { 'm': 'rlc' }
+:EasyAlign = { 'a': 'rlc' }
+
+" Using shorthand notation
+:EasyAlign = arlc
 
 " Right, left, center alignment over the 2nd to 4th occurrences of delimiters
-:EasyAlign 2={ 'm': 'rlc' }
+:EasyAlign 2=arlc
 
 " (*) Repeating alignments (default: l, r, or c)
 "   Right, left, center, center, center, center, ...
-:EasyAlign *={ 'm': 'rlc' }
+:EasyAlign *=arlc
 
 " (**) Alternating alignments (default: lr or rl)
 "   Right, left, center, right, left, center, ...
-:EasyAlign **={ 'm': 'rlc' }
+:EasyAlign **=arlc
 
 " Right, left, center, center, center, ... repeating alignment
 " over the 3rd to the last occurrences of delimiters
-:EasyAlign 3={ 'm': 'rlc*' }
+:EasyAlign 3=arlc*
 
 " Right, left, center, right, left, center, ... alternating alignment
 " over the 3rd to the last occurrences of delimiters
-:EasyAlign 3={ 'm': 'rlc**' }
+:EasyAlign 3=arlc**
 ```
 
 ### Extending alignment rules
@@ -597,13 +685,18 @@ in interactive mode with the special key `CTRL-O`)
 Although the default rules should cover the most of the use cases,
 you can extend the rules by setting a dictionary named `g:easy_align_delimiters`.
 
-#### Example
+You may refer to the definitions of the default alignment rules
+[here](https://github.com/junegunn/vim-easy-align/blob/2.9.6/autoload/easy_align.vim#L32-L46).
+
+#### Examples
 
 ```vim
 let g:easy_align_delimiters = {
 \ '>': { 'pattern': '>>\|=>\|>' },
-\ '/': { 'pattern': '//\+\|/\*\|\*/', 'ignore_groups': ['String'] },
-\ '#': { 'pattern': '#\+', 'ignore_groups': ['String'], 'delimiter_align': 'l' },
+\ '/': {
+\     'pattern':         '//\+\|/\*\|\*/',
+\     'delimiter_align': 'l',
+\     'ignore_groups':   ['!Comment'] },
 \ ']': {
 \     'pattern':       '[[\]]',
 \     'left_margin':   0,
@@ -617,94 +710,61 @@ let g:easy_align_delimiters = {
 \     'stick_to_left': 0
 \   },
 \ 'd': {
-\     'pattern': ' \(\S\+\s*[;=]\)\@=',
-\     'left_margin': 0,
+\     'pattern':      ' \(\S\+\s*[;=]\)\@=',
+\     'left_margin':  0,
 \     'right_margin': 0
 \   }
 \ }
 ```
 
+Other options
+-------------
+
+### Disabling &foldmethod during alignment
+
+[It is reported](https://github.com/junegunn/vim-easy-align/issues/14) that
+`&foldmethod` value of `expr` or `syntax` can significantly slow down the
+alignment when editing a large, complex file with many folds. To alleviate this
+issue, EasyAlign provides an option to temporarily set `&foldmethod` to `manual`
+during the alignment task. In order to enable this feature, set
+`g:easy_align_bypass_fold` switch to 1.
+
+```vim
+let g:easy_align_bypass_fold = 1
+```
+
+### Left/right/center mode switch in interactive mode
+
+In interactive mode, you can choose the alignment mode you want by pressing
+enter keys. The non-bang command, `:EasyAlign` starts in left-alignment mode
+and changes to right and center mode as you press enter keys, while the bang
+version first starts in right-alignment mode.
+
+- `:EasyAlign`
+  - Left, Right, Center
+- `:EasyAlign!`
+  - Right, Left, Center
+
+If you do not prefer this default mode transition, you can define your own
+settings as follows.
+
+```vim
+let g:easy_align_interactive_modes = ['l', 'r']
+let g:easy_align_bang_interactive_modes = ['c', 'r']
+```
+
 Advanced examples and use cases
 -------------------------------
 
 See [EXAMPLES.md](https://github.com/junegunn/vim-easy-align/blob/master/EXAMPLES.md)
 for more examples.
 
-
 Related work
 ------------
 
-There are two well-known plugins with the same goal as that of vim-easy-align.
-
-- [DrChip's Alignment Tool for Vim](http://www.drchip.org/astronaut/vim/align.html) (herein will be referred to as "Align")
+- [DrChip's Alignment Tool for Vim](http://www.drchip.org/astronaut/vim/align.html)
 - [Tabular](https://github.com/godlygeek/tabular)
 
-Both are great plugins with very large user bases. I actually had been a Tabular
-user for a couple of years before I finally made up my mind to roll out my own.
-
-So why would someone choose vim-easy-align over those two?
-
-Feature-by-feature comparison I believe is not quite useful, since a typical
-user will end up using only a small subset of the features.
-So I will mention just a few core benefits of vim-easy-align.
-
-### Ease of use
-
-As the name implies, vim-easy-align is *easier* to use. Its interactive mode
-allows you to achieve what you want with just a few keystrokes.
-The key sequence is mnemonic, so it's easy to remember and execute.
-It even feels like a native Vim command!
-
-- *Right-align*: `<Enter><Enter>`
-- around the *second* occurrences: `2`
-- of *whitespaces*: `<space>`
-
-For the simplest cases, Tabular and Align are also easy to use. But sooner or
-later, you will find yourself scratching your head, trying to come up with some
-complex regular expressions.
-
-_"How am I going to align the third to the last word in each line to the right
-without affecting the ones before it?"_
-
-### Clean
-
-vim-easy-align doesn't clutter your workspace with mappings and global
-variables. All you would need is a single mapping to the interactive EasyAlign
-command, and even that is totally up to you.
-
-### Optimized for code editing
-
-vim-easy-align by default performs syntax-aware alignment, which is invaluable
-when editing codes.
-
-Try to come up with a regular expression to correctly format the following code
-snippet. With vim-easy-align under default configuration and a mapping, it can
-be done with just two keystrokes: `<Enter>:`
-
-```javascript
-var jdbc = {
-  // JDBC driver for MySQL database:
-  driver: "com.mysql.jdbc.Driver",
-  /* JDBC URL for the connection (jdbc:mysql://HOSTNAME/DATABASE) */
-  url: 'jdbc:mysql://localhost/test',
-  database: "test",
-  "user:pass":"r00t:pa55"
-};
-```
-
-(To be fair, Align also can be configured to consider syntax highlighting with
-`g:AlignSkip` function reference which should point to a custom function that
-looks up the syntax group of a character on a certain position)
-
-### "Okay. So should I switch?"
-
-Maybe, but I can't really say. I have no ambition to make vim-easy-align
-an absolute superior to the others. For some cases, vim-easy-align works better
-than the others, but for some other cases, Tabular or Align.vim might be a
-better choice.
-
-So try it yourself and see if it works for you!
-
 Author
 ------
 

plugin/easy_align.vim

@@ -1,4 +1,4 @@
-" Copyright (c) 2013 Junegunn Choi
+" Copyright (c) 2014 Junegunn Choi
 "
 " MIT License
 "
@@ -26,4 +26,118 @@ if exists("g:loaded_easy_align_plugin")
 endif
 let g:loaded_easy_align_plugin = 1
 
-command! -nargs=* -range -bang EasyAlign <line1>,<line2>call easy_align#align('<bang>' == '!', <q-args>)
+command! -nargs=* -range -bang EasyAlign <line1>,<line2>call easy_align#align(<bang>0, 0, 'command', <q-args>)
+command! -nargs=* -range -bang LiveEasyAlign <line1>,<line2>call easy_align#align(<bang>0, 1, 'command', <q-args>)
+
+let s:last_command = 'EasyAlign'
+
+function! s:abs(v)
+  return a:v >= 0 ? a:v : - a:v
+endfunction
+
+function! s:remember_visual(mode)
+  let s:last_visual = [a:mode, s:abs(line("'>") - line("'<")), s:abs(col("'>") - col("'<"))]
+endfunction
+
+function! s:repeat_visual()
+  let [mode, ldiff, cdiff] = s:last_visual
+  let cmd = 'normal! '.mode
+  if ldiff > 0
+    let cmd .= ldiff . 'j'
+  endif
+
+  let ve_save = &virtualedit
+  try
+    if mode == "\<C-V>"
+      if cdiff > 0
+        let cmd .= cdiff . 'l'
+      endif
+      set virtualedit+=block
+    endif
+    execute cmd.":\<C-r>=g:easy_align_last_command\<Enter>\<Enter>"
+    call s:set_repeat()
+  finally
+    if ve_save != &virtualedit
+      let &virtualedit = ve_save
+    endif
+  endtry
+endfunction
+
+function! s:repeat_in_visual()
+  if exists('g:easy_align_last_command')
+    call s:remember_visual(visualmode())
+    call s:repeat_visual()
+  endif
+endfunction
+
+function! s:set_repeat()
+  silent! call repeat#set("\<Plug>(EasyAlignRepeat)")
+endfunction
+
+function! s:generic_easy_align_op(type, vmode, live)
+  if !&modifiable
+    if a:vmode
+      normal! gv
+    endif
+    return
+  endif
+  let sel_save = &selection
+  let &selection = "inclusive"
+
+  if a:vmode
+    let vmode = a:type
+    let [l1, l2] = ["'<", "'>"]
+    call s:remember_visual(vmode)
+  else
+    let vmode = ''
+    let [l1, l2] = [line("'["), line("']")]
+    unlet! s:last_visual
+  endif
+
+  try
+    let range = l1.','.l2
+    if get(g:, 'easy_align_need_repeat', 0)
+      execute range . g:easy_align_last_command
+    else
+      execute range . "call easy_align#align(0, a:live, vmode, '')"
+    end
+    call s:set_repeat()
+  finally
+    let &selection = sel_save
+  endtry
+endfunction
+
+function! s:easy_align_op(type, ...)
+  call s:generic_easy_align_op(a:type, a:0, 0)
+endfunction
+
+function! s:live_easy_align_op(type, ...)
+  call s:generic_easy_align_op(a:type, a:0, 1)
+endfunction
+
+function! s:easy_align_repeat()
+  if exists('s:last_visual')
+    call s:repeat_visual()
+  else
+    try
+      let g:easy_align_need_repeat = 1
+      normal! .
+    finally
+      unlet! g:easy_align_need_repeat
+    endtry
+  endif
+endfunction
+
+nnoremap <silent> <Plug>(EasyAlign) :set opfunc=<SID>easy_align_op<Enter>g@
+vnoremap <silent> <Plug>(EasyAlign) :<C-U>call <SID>easy_align_op(visualmode(), 1)<Enter>
+nnoremap <silent> <Plug>(LiveEasyAlign) :set opfunc=<SID>live_easy_align_op<Enter>g@
+vnoremap <silent> <Plug>(LiveEasyAlign) :<C-U>call <SID>live_easy_align_op(visualmode(), 1)<Enter>
+
+" vim-repeat support
+nnoremap <silent> <Plug>(EasyAlignRepeat) :call <SID>easy_align_repeat()<Enter>
+vnoremap <silent> <Plug>(EasyAlignRepeat) :<C-U>call <SID>repeat_in_visual()<Enter>
+
+" Backward-compatibility (deprecated)
+nnoremap <silent> <Plug>(EasyAlignOperator) :set opfunc=<SID>easy_align_op<Enter>g@
+
+" vim: set et sw=2 :

test/README.md

@@ -0,0 +1,13 @@
+Test cases for vim-easy-align
+=============================
+
+### Prerequisite
+
+- [Vader.vim](https://github.com/junegunn/vader.vim)
+
+### Run
+
+```
+./run
+```
+

test/basic.md

@@ -1,273 +0,0 @@
-" :source run.vim
-" @a
-
-Paul McCartney 1942
-George Harrison 1943
-Ringo Starr 1940
-Pete Best 1941
-
-| Option| Type | Default | Description |
-|--|--|--|--|
-| threads | Fixnum | 1 | number of threads in the thread pool |
-|queues |Fixnum | 1 | number of concurrent queues |
-|queue_size | Fixnum | 1000 | size of each queue |
-|   interval | Numeric | 0 | dispatcher interval for batch processing |
-|batch | Boolean | false | enables batch processing mode |
- |batch_size | Fixnum | nil | number of maximum items to be assigned at once |
- |logger | Logger | nil | logger instance for debug logs |
-
-aaa,   bb,c
-d,eeeeeee
-fffff, gggggggggg,
-h, ,           ii
-j,,k
-
-```ruby
-
-a =
-a = 1
-bbbb .= 2
-ccccccc = 3
-ccccccccccccccc
-ddd = #
-eeee === eee = eee = eee=f
-fff = ggg += gg &&= gg
-g != hhhhhhhh == # 8
-i   := 5
-i     %= 5
-i       *= 5
-j     =~ 5
-j   >= 5
-aa      =>         123
-aa <<= 123
-aa        >>= 123
-bbb               => 123
-c     => 1233123
-d   =>      123
-dddddd &&= 123
-dddddd ||= 123
-dddddd /= 123
-gg <=> ee
-
-options = { :caching => nil,
-            :versions => 3,
-            "cache=blocks" => false }.merge(options)
-
-apple = 1 # comment not aligned
-banana = 'Gros Michel' # comment 2
-
-# let g:easy_align_delimiters = { '#': { 'pattern': '#\+', 'ignores': ['String'] } }
-
-apple = 1 # comment not aligned
-apricot = 'DAD' + 'F#AD'
-banana = 'Gros Michel' # comment 2
-
-```
-
-```yaml
-
-mysql:
-  # JDBC driver for MySQL database:
-  driver: com.mysql.jdbc.Driver
-  # JDBC URL for the connection (jdbc:mysql://HOSTNAME/DATABASE)
-  url: jdbc:mysql://localhost/test
-  database: test
-  "user:pass":r00t:pa55
-
-```
-```c
-
-/* a */ b = c
-aa >= bb
-// aaa = bbb = cccc
-/* aaaa = */ bbbb   === cccc   " = dddd = " = eeee
-aaaaa /* bbbbb */      == ccccc /* != eeeee = */ === fffff
-
-```
-
-my_object
-      .method1.chain
-    .second_method.call
-      .third.call
-     .method_4.execute
-
-my_object.
-      method1.chain.
-    second_method.call.
-      third.call.
-     method_4.execute
-
-   | Option| Type | Default | Description |
-    |--|--|--|--|
-       | threads | Fixnum | 1 | number of threads in the thread pool |
-  |queues |Fixnum | 1 | number of concurrent queues |
-   |queue_size | Fixnum | 1000 | size of each queue |
-    |   interval | Numeric | 0 | dispatcher interval for batch processing |
-       |batch | Boolean | false | enables batch processing mode |
-   |batch_size | Fixnum | nil | number of maximum items to be assigned at once |
-   |logger | Logger | nil | logger instance for debug logs |
-
-
-```c
-
-const char* str = "Hello";
-int64_t count = 1 + 2;
-static double pi = 3.14;
-static std::map<std::string, float>* scores =    pointer;
-
-```
-
-Paul McCartney 1942
-George Harrison 1943
-Ringo Starr 1940
-Pete Best 1941
-
-...-.-----
-..--..----
-.---...---
-----....--
-.---.....-
-..--......
-...-.....-
-
-  apple = 1
-    banana = 2
-      cake = 3
-        daisy = 4
-     eggplant = 5
-
-
-```c
-
-int a = 1;
-long b = 2;
-float c = 3;
-string d = 4;
-// this line should not get aligned
-long int e = 5;
-std::map f;
-std::map g; /* this? */
-short h /* how about this? */ = 6;
-string i = "asdf";
-
-```
-
-```ruby
-
-a =
-a = 1
-bbbb .= 2
-ccccccc = 3
-ccccccccccccccc
-# eeeeeeeeeeeeeeee
-e # asdf
-ddd = #
-eeee === eee = eee = eee=f
-fff = ggg += gg &&= gg
-g != hhhhhhhh == # 8
-i   := 5
-i     %= 5
-i       *= 5
-j     =~ 5
-j   >= 5
-aa      =>         123
-aa <<= 123
-aa        >>= 123
-bbb               => 123
-c     => 1233123
-d   =>      123
-dddddd &&= 123
-dddddd ||= 123
-dddddd /= 123
-gg <=> ee
-
-a = 1
-bb = 22
-ccc = 333
-dddd = "asdf"
-
-```
-
-a a a a a
-bbb bbb bbb bbb bbb
-ccccc ccccc ccccc ccccc ccccc
-  d ddd dddd ddd d
-
-aaaaa = 123456778901234567890 =
-bbbbbbbbbb = 12345 =
-
-aaaaa = 123456778901234567890 =
-cccccccccccccccccc = 123 =
-
-aaaaa = 123456778901234567890 =
-cccccccccccccccccc = 12345678 =
-
-aaaaa = 12345 =
-bbbbbbbbbb = 123456778901234567890       =
-
-aaaaa =             12345
-bbbbbbbbbb = 123456778901234567890
-
-123456 789
-1234567890 1
-
-1234 56
-123456 7890
-
- aaaaa = 123456778901234567890 =
-     cccccccccccccccccc =       12345678 =
-
-```
- aaaaa =   123456778901234567890 =
-cccccccccccccccccc =12345678 =
-
-            aaaa             = 123456778901234567890 =
-     cccccccccccccccccc      = 12345678 =
-
-            aaaaaaaaaaaaa = 123456778901234567890 =
-cc = 12345678 =
-
-           aaaaaaaaaaa= 123
-                       a = 123
-
-           aaaaaaaaaaaa= 123
-                       a = 123
-
-         aaaaaaaaaaaa = 123
-       aaaaaaaaaaa = 123
-      aaaaaaaaaa  = 123
-     aaa     = 123
-    aa      = 123
-   a      = 123
-
-            aaaa = 123456778901234567890 =
-cccccccccccccc = 12345678 =
-
-              aaaa = 123456778901234567890 =
-               bbbbbb = 4
-cccccccccccccccccc = 12345678 =
-
-                    aaaa = 123456778901234567890 =
-     cccccccccccccccccc = 12345678 =
-
-                    aaaaa                     = 123456778901234567890 =
-                     cc                       = 12345678 =
-
-=aaaaa = 123456778901234567890 =
-=    cccccccccccccccccc = 12345678 =
-
-```
-
-a,,bbb
-aa,,bb
-aaa,,b
-aaaa,,
-aaa,b,
-aa,bb,
-a,bbb,
-
-1 22222 33 444 555 6666 7 888
-11 222 3333 4 55 6666 77 888
-111 22 333 444 55555 6666 7 88888
-1111 2 33 444 555 66 777 8
-

test/basic.script

@@ -1 +0,0 @@
-4Gvipjyvip

test/blockwise.vader

@@ -0,0 +1,22 @@
+Include: include/setup.vader
+
+Given clojure:
+  (def world [[1      1 1 1       1]
+              [999 999 999 999 1]
+              [1 1 1 1 1]
+              [1 999 999 999 999]
+              [1 1 1 1 1]])
+
+Do (Recursive alignment in blockwise-visual mode):
+  f[;
+  \<C-V>G
+  \<Enter>*\<Space>
+
+Expect clojure:
+  (def world [[1   1   1   1   1]
+              [999 999 999 999 1]
+              [1   1   1   1   1]
+              [1   999 999 999 999]
+              [1   1   1   1   1]])
+
+Include: include/teardown.vader

test/commandline.vader

@@ -0,0 +1,191 @@
+Include: include/setup.vader
+
+Given (fruits):
+  apple;:;;banana::cake
+  data;;exchange:;::format
+
+Execute (regular expression):
+  %EasyAlign/[:;]\+/
+  AssertEqual ':EasyAlign /[:;]\+/', g:easy_align_last_command
+
+Expect:
+  apple ;:;; banana::cake
+  data    ;; exchange:;::format
+
+Execute (options dictionary):
+  %EasyAlign/[:;]\+/{ 'left_margin': '<', 'right_margin': 3 }
+
+Expect:
+  apple<;:;;   banana::cake
+  data <  ;;   exchange:;::format
+
+Execute (fuzzy matching):
+  %EasyAlign/[:;]\+/{ 'l':'<', 'r': '>'}
+
+Expect:
+  apple<;:;;>banana::cake
+  data <  ;;>exchange:;::format
+
+Execute (shorthand notation of margin):
+  %EasyAlign/[:;]\+/l0r0
+
+Expect:
+  apple;:;;banana::cake
+  data   ;;exchange:;::format
+
+Execute (delimiter align):
+  %EasyAlign*/[:;]\+/l0r0dc
+
+Expect:
+  apple;:;;banana   :: cake
+  data  ;; exchange:;::format
+
+Execute (DEPRECATED: shorthand notation of mode_sequence and margin):
+  %EasyAlign/[:;]\+/mrc*l2r2
+
+Expect:
+  apple  ;:;;   banana     ::   cake
+   data    ;;  exchange  :;::  format
+
+Execute (shorthand notation of align and margin):
+  %EasyAlign/[:;]\+/arc*l2r2
+
+Expect:
+  apple  ;:;;   banana     ::   cake
+   data    ;;  exchange  :;::  format
+
+Execute (DEPRECATED: deep indentation):
+  %EasyAlign/[:;]\+/mrc*l2r2
+  %EasyAlign*/[:;]\+/idmrl*
+
+Expect:
+   apple ;:;; banana     :: cake
+    data   ;; exchange :;:: format
+
+Execute (deep indentation):
+  %EasyAlign/[:;]\+/arc*l2r2
+  %EasyAlign*/[:;]\+/idarl*
+
+Expect:
+   apple ;:;; banana     :: cake
+    data   ;; exchange :;:: format
+
+Execute (stick_to_left):
+  %EasyAlign*/[:;]\+/stl1l0dlrm3
+
+Expect:
+  apple;:;;   banana::       cake
+  data;;      exchange:;::   format
+
+Execute (<):
+  %EasyAlign*/[:;]\+/<l0dlrm3
+
+Expect:
+  apple;:;;   banana::       cake
+  data;;      exchange:;::   format
+
+Execute (>):
+  %EasyAlign*/[:;]\+/l0dl<>rm3
+
+Expect:
+  apple;:;;   banana  ::     cake
+  data ;;     exchange:;::   format
+
+Execute (different regular expression):
+  %EasyAlign*/../{'lm':'<','rm':'>'}
+
+Expect:
+  ap><pl><e;><:;><;b><an><an><a:><:c><ak>e
+  da><ta><;;><ex><ch><an><ge><:;><::><fo><rm><at
+
+Execute (merge different option notations):
+  %EasyAlign*/../iu0 { 'l': '<', 'r': '>' }
+
+Expect:
+  ap><pl><e;><:;><;b><an><an><a:><:c><ak>e
+  da><ta><;;><ex><ch><an><ge><:;><::><fo> <rm><at
+
+Execute (Use current search pattern as delimiter if empty regular expression is given):
+  /an
+  %EasyAlign*//
+
+Expect:
+  apple;:;;b an  an a::cake
+  data;;exch an ge:;::format
+
+Given javascript (json):
+  var jdbc = {
+    // JDBC driver for MySQL database:
+    driver: "com.mysql.jdbc.Driver",
+    /* JDBC URL for the connection (jdbc:mysql://HOSTNAME/DATABASE) */
+    url: 'jdbc:mysql://localhost/test',
+    database: "test",
+    "user:pass":"r00t:pa55"
+  };
+
+Execute (default syntax-aware alignment):
+  %EasyAlign*:
+
+Expect javascript:
+  var jdbc = {
+    // JDBC driver for MySQL database:
+    driver:      "com.mysql.jdbc.Driver",
+    /* JDBC URL for the connection (jdbc:mysql://HOSTNAME/DATABASE) */
+    url:         'jdbc:mysql://localhost/test',
+    database:    "test",
+    "user:pass": "r00t:pa55"
+  };
+
+Execute (do not ignore unmatched):
+  %EasyAlign*:iu0
+
+Expect javascript:
+  var jdbc = {
+    // JDBC driver for MySQL database:
+    driver:                                                             "com.mysql.jdbc.Driver",
+    /* JDBC URL for the connection (jdbc:mysql://HOSTNAME/DATABASE) */
+    url:                                                                'jdbc:mysql://localhost/test',
+    database:                                                           "test",
+    "user:pass":                                                        "r00t:pa55"
+  };
+
+Execute (do not ignore any group):
+  %EasyAlign*:ig[]iu0
+
+Expect javascript:
+  var jdbc = {
+    // JDBC driver for MySQL database:
+    driver:                               "com.mysql.jdbc.Driver",
+    /* JDBC URL for the connection (jdbc: mysql:                    //HOSTNAME/DATABASE) */
+    url:                                  'jdbc:                    mysql:                   //localhost/test',
+    database:                             "test",
+    "user:                                pass":                    "r00t:                   pa55"
+  };
+
+Execute (ignore only strings):
+  %EasyAlign*:ig['String']
+
+Expect javascript:
+  var jdbc = {
+    // JDBC driver for MySQL database:
+    driver:                               "com.mysql.jdbc.Driver",
+    /* JDBC URL for the connection (jdbc: mysql: //HOSTNAME/DATABASE) */
+    url:                                  'jdbc:mysql://localhost/test',
+    database:                             "test",
+    "user:pass":                          "r00t:pa55"
+  };
+
+Execute (ignore only comments):
+  %EasyAlign*:ig['Comment']
+
+Expect javascript:
+  var jdbc = {
+    // JDBC driver for MySQL database:
+    driver:   "com.mysql.jdbc.Driver",
+    /* JDBC URL for the connection (jdbc:mysql://HOSTNAME/DATABASE) */
+    url:      'jdbc: mysql: //localhost/test',
+    database: "test",
+    "user:    pass": "r00t: pa55"
+  };
+
+Include: include/teardown.vader

test/extra.vader

@@ -0,0 +1,13 @@
+Include: include/setup.vader
+
+Before:
+  set nomodifiable
+After:
+  set modifiable
+  AssertEqual "hello\nworld\n", @"
+Given:
+  hello
+  world
+Do (#43 Do nothing when nomodifiable):
+  vip\<enter>\<enter>\<enter>y
+

test/fixed.vader

@@ -0,0 +1,263 @@
+Include: include/setup.vader
+
+Given (Table):
+  |a|b|c|d|
+  | -|-|>-|-|
+  |aaa|bbb|ccc|ddd|
+
+Do (Partial alignment around 1st |):
+  \<C-V>ljj\<Enter>|
+
+Expect (Right margin should be correctly attached):
+  | a|b|c|d|
+  | -|-|>-|-|
+  | aaa|bbb|ccc|ddd|
+
+Given (empty buffer):
+
+Execute (Aligning lines with many delimiters should not fail):
+  call visualmode(1)
+  call setline(1, repeat('|', &maxfuncdepth + 1))
+  %EasyAlign*|
+  AssertEqual (&maxfuncdepth + 1) * 3 - 2, len(getline(1))
+
+Given:
+  a  | b | c
+  aa | bb | cc
+
+Execute:
+  %EasyAlign*|iu0{'l':'<', 'r': '>'}
+
+Expect:
+  a <|>b <|>c
+  aa<|>bb<|>cc
+
+Given (Trailing delimiter):
+  a  | b | c |
+  aa | bb | cc |
+
+Execute:
+  %EasyAlign*|iu0{'l':'<', 'r': '>'}
+
+Expect:
+  a <|>b <|>c <|
+  aa<|>bb<|>cc<|
+
+Given (Tab-indented code (#20)):
+  class MyUnitTest(unittest.TestCase):
+  	def test_base(self):
+  		n2f = {}
+  		n2v = {}
+  		f2v = {}
+  		n2gv = {}
+  		n2vt = {}
+
+Execute:
+  set tabstop=1
+  %EasyAlign=
+
+Expect:
+  class MyUnitTest(unittest.TestCase):
+  	def test_base(self):
+  		n2f  = {}
+  		n2v  = {}
+  		f2v  = {}
+  		n2gv = {}
+  		n2vt = {}
+
+Execute:
+  set tabstop=2
+  %EasyAlign=
+
+Expect:
+  class MyUnitTest(unittest.TestCase):
+  	def test_base(self):
+  		n2f  = {}
+  		n2v  = {}
+  		f2v  = {}
+  		n2gv = {}
+  		n2vt = {}
+
+Execute:
+  set tabstop=4
+  %EasyAlign=
+
+Expect:
+  class MyUnitTest(unittest.TestCase):
+  	def test_base(self):
+  		n2f  = {}
+  		n2v  = {}
+  		f2v  = {}
+  		n2gv = {}
+  		n2vt = {}
+
+Execute:
+  set tabstop=8
+  %EasyAlign=
+
+Expect:
+  class MyUnitTest(unittest.TestCase):
+  	def test_base(self):
+  		n2f  = {}
+  		n2v  = {}
+  		f2v  = {}
+  		n2gv = {}
+  		n2vt = {}
+
+Execute:
+  set tabstop=12
+  %EasyAlign=
+
+Expect:
+  class MyUnitTest(unittest.TestCase):
+  	def test_base(self):
+  		n2f  = {}
+  		n2v  = {}
+  		f2v  = {}
+  		n2gv = {}
+  		n2vt = {}
+
+Given (Tab-indented code (#20)):
+  class MyUnitTest(unittest.TestCase):
+  	def test_base(self):
+  	# 	n2f= {}
+  	## 	n2v= {}
+  	# 	f2v = {}
+  	## 	n2gv  = {}
+  	# 	n2vt   = {}
+
+Execute:
+  set tabstop=12
+  %EasyAlign=
+
+Expect:
+  class MyUnitTest(unittest.TestCase):
+  	def test_base(self):
+  	# 	n2f  = {}
+  	## 	n2v  = {}
+  	# 	f2v  = {}
+  	## 	n2gv = {}
+  	# 	n2vt = {}
+
+Given (Some text):
+  a,b,c
+
+  d,e,f
+
+Do (Select 1st line, align 3rd line):
+- First line
+  V\<esc>
+- Last line
+  G
+- Align
+  \<space>Aip*,
+- Previous selection
+  gv
+- Upcase
+  U
+
+Expect:
+  A,B,C
+
+  d, e, f
+
+Given c (#40 Ignored delimiters in LiveEasyAlign causes spurious undo):
+  printf("foo = %f\n", foo);
+  printf("foobar = %f\n", foobar);
+
+Do:
+  gUiw
+  :%LiveEasyAlign\<enter>
+  =\<bs>==
+
+Expect c:
+  PRINTF("foo = %f\n", foo);
+  printf("foobar = %f\n", foobar);
+
+* #50 Error when using delimiter alignment option
+Given:
+  a|bbb|c
+  aa|bb|cc
+
+Do (#50 EasyAlign command with 'a' option):
+  :%EasyAlign {'a': 'l'}\<cr>
+  \<cr>
+  *|
+
+Expect (Some text):
+   a | bbb |  c
+  aa |  bb | cc
+
+* #51 Repeat of visual <Plug>(LiveEasyAlign) broken
+Do (#51/#52 <Plug>(EasyAlignRepeat) in visual mode):
+  V\<space>\<enter>\<enter>*||
+  G
+  V\<space>.
+
+Expect:
+  a | bbb | c
+  aa | bb | cc
+
+* #65 ?=
+Given:
+  a?=b
+  aa-=bb
+  aaa?=bbb
+
+Do (#65 Alignment around ?=):
+  \<space>Aip=
+
+Expect:
+  a   ?= b
+  aa  -= bb
+  aaa ?= bbb
+
+* #67 \v
+Given c:
+  bzero(&servaddr, sizeof(servaddr));
+  servaddr.sin_family = AF_INET;
+  servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
+  servaddr.sin_port = htons(SERV_PORT);
+
+Execute (#67 \v breaks surrounding regex):
+  %EasyAlign/\v(\=\s)@<=</
+
+Expect:
+  bzero(&servaddr, sizeof(servaddr));
+  servaddr.sin_family =       AF_INET;
+  servaddr.sin_addr.s_addr =  htonl(INADDR_ANY);
+  servaddr.sin_port =         htons(SERV_PORT);
+
+Execute (#67 \V followed by \v shouldn't matter):
+  %EasyAlign/\v(\=\s)@<=<\V/
+
+Expect:
+  bzero(&servaddr, sizeof(servaddr));
+  servaddr.sin_family =       AF_INET;
+  servaddr.sin_addr.s_addr =  htonl(INADDR_ANY);
+  servaddr.sin_port =         htons(SERV_PORT);
+
+Execute (#67 \zs is now allowed):
+  %EasyAlign/=\zs/
+
+Expect:
+  bzero(&servaddr, sizeof(servaddr));
+  servaddr.sin_family =       AF_INET;
+  servaddr.sin_addr.s_addr =  htonl(INADDR_ANY);
+  servaddr.sin_port =         htons(SERV_PORT);
+
+Include: include/teardown.vader
+
+Given:
+  hello = world bye all
+  hello world = bye all
+  hello world = foo all
+
+Do (#105: Incorrectly detection of blockwise visual mode):
+  \<c-v>jj\<esc>
+  \<Space>Aip=
+
+Expect:
+  hello       = world bye all
+  hello world = bye all
+  hello world = foo all

test/fixme.vader

@@ -0,0 +1,24 @@
+Include: include/setup.vader
+
+# It is currently possible that EasyAlign command incorrectly judges
+# that it was executed in block-wise visual mode
+Given:
+  a|b|c
+
+Do (FIXME invalid judgement - block-wise visual mode):
+  \<C-V>\<Esc>
+  :%EasyAlign|\<CR>
+
+Expect:
+  a | b | c
+
+Do (TODO Workaround: reset visualmode() on error):
+  \<C-V>\<Esc>
+  :%EasyAlign|\<CR>
+  :%EasyAlign|\<CR>
+
+Expect:
+  a | b | c
+
+Include: include/teardown.vader
+

test/include/setup.vader

@@ -0,0 +1,38 @@
+Execute (Clean up test environment):
+  Save g:easy_align_ignore_groups,     g:easy_align_ignore_unmatched
+  Save g:easy_align_indentation,       g:easy_align_delimiter_align
+  Save g:easy_align_interactive_modes, g:easy_align_bang_interactive_modes
+  Save g:easy_align_delimiters,        g:easy_align_bypass_fold
+  Save &tabstop, mapleader
+
+  unlet! g:easy_align_ignore_groups
+  unlet! g:easy_align_ignore_unmatched
+  unlet! g:easy_align_indentation
+  unlet! g:easy_align_delimiter_align
+  unlet! g:easy_align_interactive_modes
+  unlet! g:easy_align_bang_interactive_modes
+  unlet! g:easy_align_bypass_fold
+
+  let g:easy_align_delimiters = {}
+  let mapleader = ' '
+  vnoremap <silent> r<Enter>         :EasyAlign!<Enter>
+  vnoremap <silent> <Leader>r<Enter> :LiveEasyAlign!<Enter>
+
+  " " Legacy
+  " vnoremap <silent> <Enter>          :EasyAlign<Enter>
+  " vnoremap <silent> <Leader><Enter>  :LiveEasyAlign<Enter>
+  " nmap <leader>A <Plug>(EasyAlignOperator)
+
+  set ts=2
+
+  vmap <Enter>         <Plug>(EasyAlign)
+  vmap <leader><Enter> <Plug>(LiveEasyAlign)
+  nmap <leader>A       <Plug>(EasyAlign)
+  vmap <leader>.       <Plug>(EasyAlignRepeat)
+
+  silent! call plug#load('vim-easy-align')
+
+Before:
+After:
+Given:
+

test/include/teardown.vader

@@ -0,0 +1,4 @@
+Given:
+Execute (Restoring test environment):
+  Restore
+

test/regexp.expected

@@ -1,108 +0,0 @@
-" :source run.vim
-" @a
-
-apple;:banana  :: cake
-data;;exchange :; format
-
-apple ;: banana   ::   cake
- data ;; exchange :; format
-
-apple ;:   banana :: cake
-data  ;; exchange :; format
-
-apple ;:____banana::cake
-data  ;;____exchange:;format
-
-apple ;  : banana   :  : cake
-data  ;  ; exchange :  ; format
-
-ap  pl  e;  :b  an  an  a:  :c  ak e
-da  ta  ;;  ex  ch  an  ge  :;  fo  rm  at
-
-ap ple;:banana::cake
-da ta;;exchange:;format
-
-apple???;:~~~banana???::~~~  cake
-data???;;~~~ exchange???:;~~~format
-
-apple;: banana::cake
-data;;  exchange:;format
-
-apple<<<;:>>>banana::cake
-data <<<;;>>>exchange:;format
-
-apple ;: banana::cake
-data  ;; exchange:;format
-
-apple;:banana  :: cake
-data;;exchange :; format
-
-apple ;: banana   :: cake
-data  ;; exchange :; format
-
-apple ;: banana   :: cake
-data  ;; exchange :; format
-
-apple ;: banana   :: cake
-data  ;; exchange :; format
-
-apple ;: banana   :: cake
-data  ;; exchange :; format
-
-apple ;: banana::cake
-data  ;; exchange:;format
-
-apple ; :banana::cake
-data  ;  ; exchange: ; format
-
-apple ; :banana::cake
-data  ; ;exchange:;format
-
-apple ; :banana::cake
-data  ; ;exchange:;format
-
-apple;:banana::cake
-data;;exchange:;format
-
-apple;:         banana: : cake
-data;;exchange: ;format
-
-apple;:banana: :cake
-data;;exchange:;format
-
-apple;:banana: :cake
-data;;exchange:;format
-
-apple;:         banana: : cake
-data;;exchange: ;format
-
-apple;:banana:: cake
-data;;exchange: ;format
-
-apple;:         banana: : cake
-data;;exchange: ;format
-
-apple;:         banana::cake
-data;;exchange: ;format
-
-```ruby
-apple = 1                # comment not aligned
-apricot = 'DAD' + 'F#AD'
-banana = 'Gros Michel'   # comment 2
-```
-
-a()p()p()l()e();():()b()a()n()a()n()a():():()c()a()k()e(
-d()a()t()a();();()e()x()c()h()a()n()g()e():();()f()o()r()m()a()t(
-
-apple  ;: banana   ::  cake
- data  ;;exchange  :;format
-
-apple ;:  banana  ::   cake
- data ;; exchange :; format
-
-apple;:banana  ::cake
-data ;;exchange:;format
-
-apple   ;:   banana   ::     cake
-data   ;;    exchange   :;   format
-

test/regexp.md

@@ -1,12 +0,0 @@
-" :source run.vim
-" @a
-
-apple;:banana::cake
-data;;exchange:;format
-
-```ruby
-apple = 1 # comment not aligned
-apricot = 'DAD' + 'F#AD'
-banana = 'Gros Michel' # comment 2
-```
-

test/regexp.script

@@ -1 +0,0 @@
-4Gvipjyvip:EasyAlign:

test/run

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+cd $(dirname $BASH_SOURCE)
+
+vim -Nu <(cat << EOF
+syntax on
+for dep in ['vader.vim', 'vim-repeat']
+  execute 'set rtp+=' . finddir(dep, expand('~/.vim').'/**')
+endfor
+set rtp+=..
+EOF) +Vader*

test/run.vim

@@ -1,51 +0,0 @@
-e!
-
-function! GFM()
-  let syntaxes = {
-  \ 'ruby':   'syntax/ruby.vim',
-  \ 'yaml':   'syntax/yaml.vim',
-  \ 'vim':    'syntax/vim.vim',
-  \ 'sh':     'syntax/sh.vim',
-  \ 'python': 'syntax/python.vim',
-  \ 'java':   'syntax/java.vim',
-  \ 'c':      'syntax/c.vim'
-  \ }
-
-  for [lang, syn] in items(syntaxes)
-    unlet b:current_syntax
-    silent! exec printf("syntax include @%s %s", lang, syn)
-    exec printf("syntax region %sSnip matchgroup=Snip start='```%s' end='```' contains=@%s",
-                \ lang, lang, lang)
-  endfor
-  let b:current_syntax='mkd'
-
-  syntax sync fromstart
-endfunction
-
-silent! unlet g:easy_align_delimiters
-silent! unlet g:easy_align_ignore_unmatched
-silent! unlet g:easy_align_ignores
-
-vnoremap <silent> <Enter> :EasyAlign<cr>
-
-noremap  <silent> <C-k> <nop>
-noremap  <silent> <C-j> <nop>
-noremap  <silent> <C-h> <nop>
-noremap  <silent> <C-l> <nop>
-vnoremap <silent> <C-k> <nop>
-vnoremap <silent> <C-j> <nop>
-vnoremap <silent> <C-h> <nop>
-vnoremap <silent> <C-l> <nop>
-
-set nolazyredraw
-set buftype=nofile
-set colorcolumn=
-
-silent! ScrollPositionHide
-
-call GFM()
-
-normal gg
-let @b=system('cat '. expand('%:p:r') . '.script')
-let @a='@b:vert diffsplit ' . expand('%:p:r') . '.expected
-'

test/tex.vader

@@ -0,0 +1,158 @@
+# http://en.wikibooks.org/wiki/LaTeX/Tables
+
+Include: include/setup.vader
+
+Given tex (table with escaped &):
+  \begin{tabular}{ l c r }
+    1&2&3\\
+    44&55&66\\
+    777&8\&8&999\\
+  \end{tabular}
+
+# FIXME vip doesn't work if folded
+Do (Align around all &s and \\s):
+  VG\<Enter>*&
+
+Expect tex:
+  \begin{tabular}{ l c r }
+    1   & 2    & 3   \\
+    44  & 55   & 66  \\
+    777 & 8\&8 & 999 \\
+  \end{tabular}
+
+Do (right-align with explicit ignore_unmatched):
+  VG\<Enter>\<Enter>\<C-U>\<C-U>*&
+
+Expect tex:
+  \begin{tabular}{ l c r }
+      1 &    2 &   3 \\
+     44 &   55 &  66 \\
+    777 & 8\&8 & 999 \\
+  \end{tabular}
+
+Do (center-align with explicit ignore_unmatched):
+  VG\<Enter>\<Enter>\<Enter>\<C-U>\<C-U>*&
+
+Expect tex:
+  \begin{tabular}{ l c r }
+     1  &  2   &  3  \\
+    44  &  55  & 66  \\
+    777 & 8\&8 & 999 \\
+  \end{tabular}
+
+Given tex (simple table with \hline):
+  \begin{tabular}{ l c r }
+    1&2&3\\ \hline
+    44&55&66\\ \hline
+    777&8\&&999\\ \hline
+  \end{tabular}
+
+Do:
+  VG\<Enter>*&
+
+Expect tex:
+  \begin{tabular}{ l c r }
+    1   & 2   & 3   \\ \hline
+    44  & 55  & 66  \\ \hline
+    777 & 8\& & 999 \\ \hline
+  \end{tabular}
+
+Given tex (table with lines w/o &s):
+  \begin{tabular}{|r|l|}
+    \hline
+    7C0 & hexadecimal \\
+    3700&octal \\ \cline{2-2}
+    1111100000 & binary \\
+    \hline \hline
+    1984 & decimal \\
+    \hline
+  \end{tabular}
+
+Do (left-align*):
+  VG\<Enter>*&
+
+Expect tex:
+  \begin{tabular}{|r|l|}
+    \hline
+    7C0        & hexadecimal \\
+    3700       & octal       \\ \cline{2-2}
+    1111100000 & binary      \\
+    \hline \hline
+    1984       & decimal     \\
+    \hline
+  \end{tabular}
+
+Do(left-align* and right-align around 2nd):
+  VG\<Enter>*&
+  gv\<Enter>\<Enter>2&
+
+Expect tex:
+  \begin{tabular}{|r|l|}
+    \hline
+    7C0        & hexadecimal \\
+    3700       &       octal \\ \cline{2-2}
+    1111100000 &      binary \\
+    \hline \hline
+    1984       &     decimal \\
+    \hline
+  \end{tabular}
+
+Given tex:
+  \begin{tabular}{}
+    32&1.14\e1&&5.65\e2&&&&1.16\e1&&1.28\e1&\\
+    64&1.03\e1&0.1&4.98\e2&0.2&&&9.21\e2&0.3&1.02\e1&0.3\\
+    128&9.86\e2&0.1&4.69\e2&0.1&&&8.46\e2&0.1&9.45\e2&0.1\\
+    256&9.65\e2&0.0&4.59\e2&0.0&&&8.15\e2&0.1&9.11\e2&0.1\\
+  % 512&9.55\e2&0.0&4.56\e2&0.0&&&8.01\e2&0.0&8.96\e2&0.0\\
+    1024&9.49\e2&0.0&4.53\e2&0.0&&&7.94\e2&0.0&8.89\e2&0.0\\
+    2048&9.47\e2&0.0&4.52\e2&0.0&&&7.91\e2&0.0&8.85\e2&0.0\\
+    4096&9.46\e2&0.0&4.51\e2&0.0%&&&7.90\e2&0.0&8.83\e2&0.0\\
+    8192&9.45\e2&0.0&4.51\e2&0.0&&&&&&\\
+  \end{tabular}
+
+Execute (Alignment around &s, foldmethod should not change):
+  setlocal foldmethod=syntax
+  %EasyAlign*&
+  AssertEqual 'syntax', &l:foldmethod
+
+  setlocal foldmethod=manual
+  %EasyAlign*&
+  AssertEqual 'manual', &l:foldmethod
+
+Expect tex:
+  \begin{tabular}{}
+    32   & 1.14\e1 &     & 5.65\e2 &     &  &  & 1.16\e1 &     & 1.28\e1 &     \\
+    64   & 1.03\e1 & 0.1 & 4.98\e2 & 0.2 &  &  & 9.21\e2 & 0.3 & 1.02\e1 & 0.3 \\
+    128  & 9.86\e2 & 0.1 & 4.69\e2 & 0.1 &  &  & 8.46\e2 & 0.1 & 9.45\e2 & 0.1 \\
+    256  & 9.65\e2 & 0.0 & 4.59\e2 & 0.0 &  &  & 8.15\e2 & 0.1 & 9.11\e2 & 0.1 \\
+  % 512&9.55\e2&0.0&4.56\e2&0.0&&&8.01\e2&0.0&8.96\e2&0.0\\
+    1024 & 9.49\e2 & 0.0 & 4.53\e2 & 0.0 &  &  & 7.94\e2 & 0.0 & 8.89\e2 & 0.0 \\
+    2048 & 9.47\e2 & 0.0 & 4.52\e2 & 0.0 &  &  & 7.91\e2 & 0.0 & 8.85\e2 & 0.0 \\
+    4096 & 9.46\e2 & 0.0 & 4.51\e2 & 0.0%&&&7.90\e2&0.0&8.83\e2&0.0\\
+    8192 & 9.45\e2 & 0.0 & 4.51\e2 & 0.0 &  &  &         &     &         &     \\
+  \end{tabular}
+
+Execute (g:easy_align_bypass_fold set, foldmethod should not change):
+  let g:easy_align_bypass_fold = 1
+  setlocal foldmethod=syntax
+  %EasyAlign*&
+  AssertEqual 'syntax', &l:foldmethod
+
+  setlocal foldmethod=manual
+  %EasyAlign*&
+  AssertEqual 'manual', &l:foldmethod
+
+Expect tex:
+  \begin{tabular}{}
+    32   & 1.14\e1 &     & 5.65\e2 &     &  &  & 1.16\e1 &     & 1.28\e1 &     \\
+    64   & 1.03\e1 & 0.1 & 4.98\e2 & 0.2 &  &  & 9.21\e2 & 0.3 & 1.02\e1 & 0.3 \\
+    128  & 9.86\e2 & 0.1 & 4.69\e2 & 0.1 &  &  & 8.46\e2 & 0.1 & 9.45\e2 & 0.1 \\
+    256  & 9.65\e2 & 0.0 & 4.59\e2 & 0.0 &  &  & 8.15\e2 & 0.1 & 9.11\e2 & 0.1 \\
+  % 512&9.55\e2&0.0&4.56\e2&0.0&&&8.01\e2&0.0&8.96\e2&0.0\\
+    1024 & 9.49\e2 & 0.0 & 4.53\e2 & 0.0 &  &  & 7.94\e2 & 0.0 & 8.89\e2 & 0.0 \\
+    2048 & 9.47\e2 & 0.0 & 4.52\e2 & 0.0 &  &  & 7.91\e2 & 0.0 & 8.85\e2 & 0.0 \\
+    4096 & 9.46\e2 & 0.0 & 4.51\e2 & 0.0%&&&7.90\e2&0.0&8.83\e2&0.0\\
+    8192 & 9.45\e2 & 0.0 & 4.51\e2 & 0.0 &  &  &         &     &         &     \\
+  \end{tabular}
+
+Include: include/teardown.vader