Update ruby syntax

README.md

@@ -38,7 +38,7 @@ Optionally download one of the [releases](https://github.com/sheerun/vim-polyglo
 - [elixir](https://github.com/elixir-lang/vim-elixir) (syntax, indent, compiler, ftplugin, ftdetect)
 - [emberscript](https://github.com/heartsentwined/vim-ember-script) (syntax, indent, ftplugin, ftdetect)
 - [emblem](https://github.com/heartsentwined/vim-emblem) (syntax, indent, ftplugin, ftdetect)
-- [erlang](https://github.com/hcs42/vim-erlang-runtime) (syntax, indent)
+- [erlang](https://github.com/vim-erlang/vim-erlang-runtime) (syntax, indent, ftdetect)
 - [git](https://github.com/tpope/vim-git) (syntax, indent, ftplugin, ftdetect)
 - [glsl](https://github.com/tikhomirov/vim-glsl) (syntax, indent, ftdetect)
 - [go](https://github.com/fatih/vim-go) (syntax, indent, ftdetect)

build

@@ -109,7 +109,7 @@ PACKS="
   elixir:elixir-lang/vim-elixir
   emberscript:heartsentwined/vim-ember-script
   emblem:heartsentwined/vim-emblem
-  erlang:hcs42/vim-erlang-runtime
+  erlang:vim-erlang/vim-erlang-runtime
   git:tpope/vim-git
   glsl:tikhomirov/vim-glsl
   go:fatih/vim-go:_BASIC

ftdetect/polyglot.vim

@@ -64,6 +64,10 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'emblem') == -1
 autocmd BufNewFile,BufRead *.emblem set filetype=emblem
 autocmd FileType emblem set tabstop=2|set shiftwidth=2|set expandtab
 endif
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'erlang') == -1
+  
+au BufNewFile,BufRead *.erl,*.hrl,rebar.config,*.app,*.app.src,*.yaws,*.xrl set ft=erlang
+endif
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'git') == -1
   
 autocmd BufNewFile,BufRead *.git/{,modules/**/,worktrees/*/}{COMMIT_EDIT,TAG_EDIT,MERGE_,}MSG set ft=gitcommit

ftplugin/ruby.vim

@@ -138,7 +138,7 @@ if exists('s:ruby_paths') && stridx(&l:tags, join(map(copy(s:ruby_paths),'v:val.
   let &l:tags = &tags . ',' . join(map(copy(s:ruby_paths),'v:val."/tags"'),',')
 endif
 
-if has("gui_win32") && !exists("b:browsefilter")
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
   let b:browsefilter = "Ruby Source Files (*.rb)\t*.rb\n" .
                      \ "All Files (*.*)\t*.*\n"
 endif

syntax/ruby.vim

@@ -82,7 +82,7 @@ syn cluster rubyExtendedStringSpecial contains=@rubyStringSpecial,rubyNestedPare
 syn cluster rubyRegexpSpecial	      contains=rubyInterpolation,rubyNoInterpolation,rubyStringEscape,rubyRegexpSpecial,rubyRegexpEscape,rubyRegexpBrackets,rubyRegexpCharClass,rubyRegexpDot,rubyRegexpQuantifier,rubyRegexpAnchor,rubyRegexpParens,rubyRegexpComment
 
 " Numbers and ASCII Codes
-syn match rubyASCIICode	"\%(\w\|[]})\"'/]\)\@<!\%(?\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\=\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)\)"
+syn match rubyASCIICode	"\%(\w\|[]})\"'/\.]\)\@<!\%(?\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\=\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)\)"
 syn match rubyInteger	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[xX]\x\+\%(_\x\+\)*\>"								display
 syn match rubyInteger	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)\>"						display
 syn match rubyInteger	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[oO]\=\o\+\%(_\o\+\)*\>"								display
@@ -131,14 +131,12 @@ syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r<"				 end=">[iomx
 syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\["				 end="\][iomxneus]*"  skip="\\\\\|\\\]"	 contains=@rubyRegexpSpecial fold
 syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r("				 end=")[iomxneus]*"   skip="\\\\\|\\)"	 contains=@rubyRegexpSpecial fold
 
-" Normal String and Shell Command Output
-if exists('ruby_spellcheck_strings')
-  syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial,@Spell fold
-  syn region rubyString matchgroup=rubyStringDelimiter start="'"  end="'"  skip="\\\\\|\\'"  contains=rubyQuoteEscape,@Spell    fold
-else
-  syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial fold
-  syn region rubyString matchgroup=rubyStringDelimiter start="'"  end="'"  skip="\\\\\|\\'"  contains=rubyQuoteEscape    fold
-endif
+" Normal String
+let s:spell_cluster = exists('ruby_spellcheck_strings') ? ',@Spell' : ''
+exe 'syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\"" fold contains=@rubyStringSpecial' . s:spell_cluster
+exe 'syn region rubyString matchgroup=rubyStringDelimiter start="''" end="''" skip="\\\\\|\\''" fold contains=rubyQuoteEscape'    . s:spell_cluster
+
+" Shell Command Output
 syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial fold
 
 " Generalized Single Quoted String, Symbol and Array of Strings