bin/html: update slug

Use '0-9' instead of '\d' for matching numbers.

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/html b/bin/html
index 2111227..7fd7c39 100644
--- a/bin/html
+++ b/bin/html
@@ -81,7 +81,7 @@ def write(p, c):
 
 
 def slug(p):
-    m = re.search(r"([a-zA-Z\-\d]+)(\.([a-z]{2}))?\.md", p)
+    m = re.search(r"([0-9a-zA-Z\-]+)(\.([a-z]{2}))?\.md", p)
 
     if not m:
         err("Unable to get slug")