Put syntax file back based on comments of #424

syntax/gohtmltmpl.vim

@@ -0,0 +1,18 @@
+" this file is copied from vim-go
+if exists("b:current_syntax")
+  finish
+endif
+
+if !exists("g:main_syntax")
+  let g:main_syntax = 'html'
+endif
+
+runtime! syntax/gotexttmpl.vim
+runtime! syntax/html.vim
+unlet b:current_syntax
+
+syn cluster htmlPreproc add=gotplAction,goTplComment
+
+let b:current_syntax = "gohtmltmpl"
+
+" vim: sw=2 ts=2 et

syntax/gotexttmpl.vim

@@ -0,0 +1,36 @@
+" Copyright 2011 The Go Authors. All rights reserved.
+" Use of this source code is governed by a BSD-style
+" license that can be found in the LICENSE file.
+"
+" gotexttmpl.vim: Vim syntax file for Go templates.
+
+" Quit when a (custom) syntax file was already loaded
+" a modified version of gotexttmpl.vim
+if exists("b:current_syntax")
+  finish
+endif
+
+
+runtime! syntax/go.vim
+unlet b:current_syntax
+
+" Token groups
+syn cluster     gotplLiteral     contains=goString,goRawString,goCharacter,@goInt,goFloat,goImaginary
+syn keyword     gotplControl     contained   if else end range with template
+syn keyword     gotplFunctions   contained   and html index js len not or print printf println urlquery eq ne lt le gt ge
+syn match       gotplVariable    contained   /\$[a-zA-Z0-9_]*\>/
+syn match       goTplIdentifier  contained   /\.[^[:blank:]}]\+\>/
+
+hi def link     gotplControl        Keyword
+hi def link     gotplFunctions      Function
+hi def link     goTplVariable       Special
+
+syn region gotplAction start="{{" end="}}" contains=@gotplLiteral,gotplControl,gotplFunctions,gotplVariable,goTplIdentifier display
+syn region goTplComment start="{{\(- \)\?/\*" end="\*/\( -\)\?}}" display
+
+hi def link gotplAction PreProc
+hi def link goTplComment Comment
+
+let b:current_syntax = "gotexttmpl"
+
+" vim: sw=2 ts=2 et