From 8b5f9c82d0be258ef9ec73f55ec3574a11e52b96 Mon Sep 17 00:00:00 2001
From: Anthony Perkins <anthony@acperkins.com>
Date: Mon, 6 Jun 2022 16:06:38 +0100
Subject: [PATCH] Handle ISO dates somewhat

---
 syntax/pr.vim | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/syntax/pr.vim b/syntax/pr.vim
index ac32895..e26b6c3 100644
--- a/syntax/pr.vim
+++ b/syntax/pr.vim
@@ -11,7 +11,22 @@ syntax match prName /^.\+\n-\+$/
 syntax match prTodo /^\s*TODO:/
 syntax match prWork /^\s*WORK:/
 syntax match prDone /^\s*DONE:/
+
+" ISO date.
+syntax match prDate /\<\d\{4}-\d\{2}\>/
 syntax match prDate /\<\d\{4}-\d\{2}-\d\{2}\>/
+syntax match prDate /\<\d\{4}-W\d\{3}\>/
+syntax match prDate /\<\d\{4}-W\d\{3}-\d\>/
+
+" ISO time.
+syntax match prDate /\<T\d\{2}:\d\{2}\>/
+syntax match prDate /\<T\d\{2}:\d\{2}[+-]\d\{2}:\d\{2}\>/
+syntax match prDate /\<T\d\{2}:\d\{2}Z\>/
+
+" ISO date and time.
+syntax match prDate /\<\d\{4}-\d\{2}-\d\{2}T\d\{2}:\d\{2}\>/
+syntax match prDate /\<\d\{4}-\d\{2}-\d\{2}T\d\{2}:\d\{2}[+-]\d\{2}:\d\{2}\>/
+syntax match prDate /\<\d\{4}-\d\{2}-\d\{2}T\d\{2}:\d\{2}Z\>/
 
 hi prName term=bold cterm=bold gui=bold
 hi prTodo term=bold,underline cterm=bold,underline gui=bold,underline ctermfg=1 guifg=#ff0000