vim: Turn "pub" into a big asterisk for those who dislike the look of it.

This is not the default and must be turned on.

src/etc/vim/after/syntax/rust.vim

@@ -25,6 +25,13 @@ syn match rustNiceOperator "=>" contains=rustFatRightArrowHead,rustFatRightArrow
 
 syn match rustNiceOperator /\<\@!_\(_*\>\)\@=/ conceal cchar=′
 
+" For those who don't want to see `pub`...
+if exists('g:rust_conceal_pub')
+    syn match rustPublicSigil contained "pu" conceal cchar=＊
+    syn match rustPublicRest contained "b" conceal cchar= 
+    syn match rustNiceOperator "pub " contains=rustPublicSigil,rustPublicRest
+endif
+
 hi link rustNiceOperator Operator
 
 if !exists('g:rust_conceal_mod_path')

src/etc/vim/syntax/rust.vim

@@ -14,7 +14,8 @@ syn match     rustAssert      "\<assert\(\w\)*"
 syn keyword   rustKeyword     again as break
 syn keyword   rustKeyword     const copy do drop else export extern fail
 syn keyword   rustKeyword     for if impl import in let log
-syn keyword   rustKeyword     loop match mod module move mut new of owned priv pub pure
+syn keyword   rustKeyword     loop match mod module move mut new of owned priv pure
+syn match     rustKeyword     "\<pub\>"
 syn keyword   rustKeyword     ref return static to unchecked
 syn match     rustKeyword     "\<unsafe\>" " Allows also matching unsafe::foo()
 syn keyword   rustKeyword     use while with