From e685e4b431ab017d1aec9f9668fbeeeb6e7113e6 Mon Sep 17 00:00:00 2001
From: Adam Stankiewicz <sheerun@sher.pl>
Date: Thu, 2 Feb 2017 21:16:29 +0100
Subject: Update

---
 syntax/html.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'syntax/html.vim')

diff --git a/syntax/html.vim b/syntax/html.vim
index 0c03fa22..da9117dc 100644
--- a/syntax/html.vim
+++ b/syntax/html.vim
@@ -68,7 +68,7 @@ syn keyword htmlTagName contained span subset sum tan tanh tendsto times transpo
 syn keyword htmlTagName contained uplimit variance vector vectorproduct xor
 
 " Custom Element
-syn match htmlTagName contained "\<[a-z_]\([a-z0-9_.]\+\)\?\(\-[a-z0-9_.]\+\)\+\>"
+syn match htmlTagName contained "\<[a-z][-.0-9_a-z]*-[-.0-9_a-z]*\>"
 
 " HTML 5 arguments
 " Core Attributes
-- 
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