Bump version to 1.6.

Fix E803 ID not found spam.

.gitignore

@@ -0,0 +1 @@
+doc/tags

autoload/indent_guides.vim

@@ -46,7 +46,9 @@ function! indent_guides#enable()
     let l:hard_pattern = indent_guides#indent_highlight_pattern('\t', l:column_start, s:indent_size)
 
     " define the higlight patterns and add to matches list
-    call add(w:indent_guides_matches, matchadd(l:group, l:soft_pattern))
+    if g:indent_guides_space_guides
+      call add(w:indent_guides_matches, matchadd(l:group, l:soft_pattern))
+    end
     call add(w:indent_guides_matches, matchadd(l:group, l:hard_pattern))
   endfor
 endfunction
@@ -68,7 +70,11 @@ function! indent_guides#clear_matches()
   if !empty(w:indent_guides_matches)
     let l:index = 0
     for l:match_id in w:indent_guides_matches
-      call matchdelete(l:match_id)
+      try
+        call matchdelete(l:match_id)
+      catch /E803:/
+        " Do nothing
+      endtry
       call remove(w:indent_guides_matches, l:index)
       let l:index += l:index
     endfor
@@ -180,12 +186,18 @@ function! indent_guides#init_script_vars()
   let s:debug             = g:indent_guides_debug
   let s:indent_levels     = g:indent_guides_indent_levels
   let s:auto_colors       = g:indent_guides_auto_colors
-  let s:change_percent    = g:indent_guides_color_change_percent / str2float("100.0")
   let s:color_hex_pat     = g:indent_guides_color_hex_pattern
   let s:color_hex_bg_pat  = g:indent_guides_color_hex_guibg_pattern
   let s:color_name_bg_pat = g:indent_guides_color_name_guibg_pattern
   let s:start_level       = g:indent_guides_start_level
 
+  " str2float not available in vim versions <= 7.1
+  if has('float')
+    let s:change_percent = g:indent_guides_color_change_percent / str2float('100.0')
+  else
+    let s:change_percent = g:indent_guides_color_change_percent / 100.0
+  endif
+
   if s:debug
     echo 's:indent_size = '       . s:indent_size
     echo 's:guide_size = '        . s:guide_size

doc/indent_guides.txt

@@ -9,8 +9,8 @@
 
 
 Author:      Nate Kane <nathanaelkane AT gmail DOT com>
-Version:     1.5
-Last Change: 13 Mar 2011
+Version:     1.6
+Last Change: 01 Jan 2012
 
 ==============================================================================
 CONTENTS                                                *indent-guides-contents*
@@ -133,6 +133,14 @@ Default: 1. Values: between 1 and g:|indent_guides_indent_levels|.
   let g:indent_guides_start_level = 2
 <
 
+------------------------------------------------------------------------------
+                                                  *'indent_guides_space_guides'*
+Use this option to control whether the plugin considers spaces as indention.
+
+Default: 1. Values: 0 or 1.
+>
+  let g:indent_guides_space_guides = 0
+<
 ------------------------------------------------------------------------------
                                          *'indent_guides_enable_on_vim_startup'*
 Use this option to control whether the plugin is enabled on Vim startup.
@@ -212,13 +220,19 @@ Credits:~
 Contact:~
   * Twitter: @nathanaelkane
   * Email:   <nathanaelkane AT gmail DOT com>
-  * IRC:     nate- on Freenode (I usually idle in the #vim channel)
 
 Bug reports, feedback, suggestions etc are welcomed.
 
 ==============================================================================
 7. CHANGELOG                                           *indent-guides-changelog*
 
+1.6~
+  * Added option g:|indent_guides_space_guides| to control whether spaces are
+    considered as indention (thanks scoz).
+  * Added 'doc/tags' to gitignore (thanks lenniboy).
+  * Fixed E803 ID not found spam (thanks mutewinter).
+  * Fixed str2float issue with Vim 7.1 (thanks acx0).
+
 1.5~
   * Added highlight support for files with a mixture of tab and space indent
     styles (thanks graywh).
@@ -258,7 +272,7 @@ Bug reports, feedback, suggestions etc are welcomed.
 The MIT Licence
 http://www.opensource.org/licenses/mit-license.php
 
-Copyright (c) 2010-2011 Nate Kane
+Copyright (c) 2010-2012 Nate Kane
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

plugin/indent_guides.vim

@@ -52,6 +52,7 @@ call s:InitVariable('g:indent_guides_guide_size',            0 )
 call s:InitVariable('g:indent_guides_start_level',           1 )
 call s:InitVariable('g:indent_guides_enable_on_vim_startup', 0 )
 call s:InitVariable('g:indent_guides_debug',                 0 )
+call s:InitVariable('g:indent_guides_space_guides',          1 )
 
 " Default mapping
 nmap <Leader>ig :IndentGuidesToggle<CR>