Fix #279 add g:neosnippet#enable_conceal_markers

autoload/neosnippet.vim

@@ -39,6 +39,8 @@ call neosnippet#util#set_default(
       \ 'g:neosnippet#enable_snipmate_compatibility', 0)
 call neosnippet#util#set_default(
       \ 'g:neosnippet#expand_word_boundary', 0)
+call neosnippet#util#set_default(
+      \ 'g:neosnippet#enable_conceal_markers', 1)
 "}}}
 
 function! neosnippet#expandable_or_jumpable() "{{{

autoload/neosnippet/init.vim

@@ -97,7 +97,7 @@ function! s:initialize_others() "{{{
           \ .neosnippet#get_sync_placeholder_marker_pattern().'\|'
           \ .neosnippet#get_mirror_placeholder_marker_pattern()."'"
           \ 'containedin=ALL oneline'
-    if has('conceal')
+    if g:neosnippet#enable_conceal_markers && has('conceal')
       autocmd BufNewFile,BufRead,Syntax *
             \ syntax region neosnippetConcealExpandSnippets
             \ matchgroup=neosnippetExpandSnippets

doc/neosnippet.txt

@@ -212,6 +212,13 @@ g:neosnippet#expand_word_boundary
 
 		The default value is 0.
 
+					*g:neosnippet#enable_conceal_markers*
+g:neosnippet#enable_conceal_markers
+		If this variable is not 0, neosnippet will use the |conceal|
+		markers.
+
+		The default value is 1.
+
 						*g:neosnippet#scope_aliases*
 g:neosnippet#scope_aliases
 		It is a dictionary that associating certain filetypes with