Highlight negative sign; remove Vim 5.x stuff

tpope · tpope · commit f517c02abc8a · 2007-09-06T16:56:14.000Z
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,8 @@
+2007-09-06  Tim Pope  <vim@tpope.info>
+
+	* syntax/eruby.vim: remove Vim 5.x specific sections
+	* syntax/ruby.vim: highlight negative sign in numbers
+
 2007-08-07  Tim Pope  <vim@tpope.info>
 
 	* indent/ruby.vim: fix while/until/for match in skip regexp
diff --git a/syntax/eruby.vim b/syntax/eruby.vim
@@ -61,21 +61,10 @@ exe 'syn region  erubyExpression matchgroup=erubyDelimiter start="<%\{1,'.b:erub
 exe 'syn region  erubyComment    matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}#"       end="-\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=rubyTodo,@Spell containedin=ALLBUT,@erubyRegions keepend'
 
 " Define the default highlighting.
-" For version 5.7 and earlier: only when not done already
-" For version 5.8 and later: only when an item doesn't have highlighting yet
-if version >= 508 || !exists("did_eruby_syntax_inits")
-  if version < 508
-    let did_ruby_syntax_inits = 1
-    command -nargs=+ HiLink hi link <args>
-  else
-    command -nargs=+ HiLink hi def link <args>
-  endif
 
-  HiLink erubyDelimiter		Delimiter
-  HiLink erubyComment		Comment
+hi def link erubyDelimiter		Delimiter
+hi def link erubyComment		Comment
 
-  delcommand HiLink
-endif
 let b:current_syntax = 'eruby'
 
 if main_syntax == 'eruby'
diff --git a/syntax/ruby.vim b/syntax/ruby.vim
@@ -63,12 +63,12 @@ syn cluster rubyExtendedStringSpecial	contains=@rubyStringSpecial,rubyNestedPare
 
 " 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 rubyInteger	"\<0[xX]\x\+\%(_\x\+\)*\>"								display
-syn match rubyInteger	"\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)\>"						display
-syn match rubyInteger	"\<0[oO]\=\o\+\%(_\o\+\)*\>"								display
-syn match rubyInteger	"\<0[bB][01]\+\%(_[01]\+\)*\>"								display
-syn match rubyFloat	"\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*\>"					display
-syn match rubyFloat	"\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)\>"	display
+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
+syn match rubyInteger	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[bB][01]\+\%(_[01]\+\)*\>"								display
+syn match rubyFloat	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*\>"					display
+syn match rubyFloat	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)\>"	display
 
 " Identifiers
 syn match rubyLocalVariableOrMethod "\<[_[:lower:]][_[:alnum:]]*[?!=]\=" contains=NONE display transparent
