From bd0c32242d0720f16665af98a23d90ec738af90a Mon Sep 17 00:00:00 2001
From: "shane.xb.qian" <shane.qian@foxmail.com>
Date: Tue, 3 Nov 2020 01:17:56 +0800
Subject: [PATCH] Setup syntax highlighting group for tag line numbers

---
 doc/tagbar.txt    | 3 +++
 syntax/tagbar.vim | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/doc/tagbar.txt b/doc/tagbar.txt
index 04a834e..48636d2 100644
--- a/doc/tagbar.txt
+++ b/doc/tagbar.txt
@@ -1101,6 +1101,9 @@ TagbarScope
 TagbarType
     The type of a tag or scope if available.
 
+TagbarTagLineN
+    The source line number displayed to the right of each tag entry.
+
 TagbarSignature
     Function signatures.
 
diff --git a/syntax/tagbar.vim b/syntax/tagbar.vim
index 50c7329..e869656 100644
--- a/syntax/tagbar.vim
+++ b/syntax/tagbar.vim
@@ -36,7 +36,8 @@ syntax match TagbarHelpKey   '" \zs.*\ze:' contained
 syntax match TagbarHelpTitle '" \zs-\+ \w\+ -\+' contained
 
 syntax match TagbarNestedKind '^\s\+\[[^]]\+\]$'
-syntax match TagbarType       ' : \zs.*'
+syntax match TagbarType       ' : \zs.*' contains=TagbarTagLineN
+syntax match TagbarTagLineN   '\s\+\[[0-9]\+\]\(\s\+\|$\)'
 syntax match TagbarSignature  '(.*)'
 syntax match TagbarPseudoID   '\*\ze :'
 
@@ -47,6 +48,7 @@ highlight default link TagbarKind       Identifier
 highlight default link TagbarNestedKind TagbarKind
 highlight default link TagbarScope      Title
 highlight default link TagbarType       Type
+highlight default link TagbarTagLineN   Comment
 highlight default link TagbarSignature  SpecialKey
 highlight default link TagbarPseudoID   NonText
 highlight default link TagbarFoldIcon   Statement