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-rw-r--r--awk/index.awk2
1 files changed, 1 insertions, 1 deletions
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);