From 730f8461002d6562856c8f636c1b5cd7d8a2c638 Mon Sep 17 00:00:00 2001
From: Leon Rische <leon.rische@me.com>
Date: Mon, 2 Nov 2020 14:03:32 +0100
Subject: Better tag regex

---
 awk/index.awk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/awk/index.awk b/awk/index.awk
index 6caf408..29c982c 100644
--- a/awk/index.awk
+++ b/awk/index.awk
@@ -69,7 +69,7 @@ match($0, /^(\*+)[ \t]+(.*)$/, a) {
     # this only guarantees that there is at least one tab/space
     # between the headline text and the tags.
     # TODO: Do this in a single match
-    if (match(title, /^(.*)[ \t]+(:([a-zA-Z0-9_@#%]+:)+)$/, b) != 0) {
+    if (match(title, /^(.*)[ \t]+(:([[:alnum:]_@#%]+:)+)$/, b) != 0) {
         title = b[1];
         # remove trailing tabs/spaces
         sub(/[ \t]*$/, "", title);
-- 
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