Remove two more POSIX character classes

Debian's ancient mawk doesn't support them

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/mw.awk b/bin/mw.awk
index 95d70c32..c2565cf3 100644
--- a/bin/mw.awk
+++ b/bin/mw.awk
@@ -1,7 +1,7 @@
 # Crude approach to get alphabetic words one per line from input, not sorted or
 # deduplicated
 BEGIN {
-    FS = "(--|['_-]*[^[:alnum:]'_-]+['_-]*)"
+    FS = "(--|['_-]*[^[a-zA-Z0-9_]'_-]+['_-]*)"
 }
 {
     for (i = 1; i <= NF; i++)