From 5a5a28c135d651cfce5fd63d4e125f0ea418d3f7 Mon Sep 17 00:00:00 2001
From: raimon <raimon49@hotmail.com>
Date: Thu, 22 Mar 2018 01:35:33 +0900
Subject: [PATCH] Update pattern of package name

c.f.) https://www.python.org/dev/peps/pep-0508/

> ^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$
---
 syntax/requirements.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/syntax/requirements.vim b/syntax/requirements.vim
index 351ff5b..7e82fcb 100644
--- a/syntax/requirements.vim
+++ b/syntax/requirements.vim
@@ -12,7 +12,7 @@ syn case match
 syn region requirementsComment start="[ \t]*#" end="$"
 syn match requirementsCommandOption "\v^\[?--?[a-zA-Z\-]*\]?"
 syn match requirementsVersionSpecifiers "\v(\=\=\=?|\<\=?|\>\=?|\~\=|\!\=)"
-syn match requirementsPackageName "\v^[a-zA-Z][a-zA-Z\-_\.0-9]*"
+syn match requirementsPackageName "\v^([a-zA-Z0-9][a-zA-Z0-9\-_\.]*[a-zA-Z0-9])"
 syn match requirementsVersionControls "\v(git\+?|hg\+|svn\+|bzr\+)\S+"
 
 hi link requirementsComment Comment