Update latex, html, ruby, c, cpp

indent/ruby.vim

@@ -34,7 +34,7 @@ set cpo&vim
 " Regex of syntax group names that are or delimit strings/symbols or are comments.
 let s:syng_strcom = '\<ruby\%(Regexp\|RegexpDelimiter\|RegexpEscape' .
       \ '\|Symbol\|String\|StringDelimiter\|StringEscape\|ASCIICode' .
-      \ '\|Interpolation\|NoInterpolation\|Comment\|Documentation\)\>'
+      \ '\|Interpolation\|InterpolationDelimiter\|NoInterpolation\|Comment\|Documentation\)\>'
 
 " Regex of syntax group names that are strings.
 let s:syng_string =
@@ -175,7 +175,7 @@ function s:GetMSL(lnum)
       "       something
       "
       return msl
-    elseif s:Match(line, s:non_bracket_continuation_regex) &&
+    elseif s:Match(lnum, s:non_bracket_continuation_regex) &&
           \ s:Match(msl, s:non_bracket_continuation_regex)
       " If the current line is a non-bracket continuation and so is the
       " previous one, keep its indent and continue looking for an MSL.
@@ -299,18 +299,20 @@ function s:ExtraBrackets(lnum)
 endfunction
 
 function s:Match(lnum, regex)
-  let col = match(getline(a:lnum), '\C'.a:regex) + 1
-  return col > 0 && !s:IsInStringOrComment(a:lnum, col) ? col : 0
-endfunction
+  let line   = getline(a:lnum)
+  let offset = match(line, '\C'.a:regex)
+  let col    = offset + 1
 
-function s:MatchLast(lnum, regex)
-  let line = getline(a:lnum)
-  let col = match(line, '.*\zs' . a:regex)
-  while col != -1 && s:IsInStringOrComment(a:lnum, col)
-    let line = strpart(line, 0, col)
-    let col = match(line, '.*' . a:regex)
+  while offset > -1 && s:IsInStringOrComment(a:lnum, col)
+    let offset = match(line, '\C'.a:regex, offset + 1)
+    let col = offset + 1
   endwhile
-  return col + 1
+
+  if offset > -1
+    return col
+  else
+    return 0
+  endif
 endfunction
 
 " 3. GetRubyIndent Function {{{1