From eb8b8294923e6421a65ef01464926947cc22dfea Mon Sep 17 00:00:00 2001
From: Simon Michael <simon@joyful.com>
Date: Thu, 30 Nov 2023 15:22:48 -1000
Subject: [PATCH] filter cleanups

---
 headings.lua  | 3 ++-
 wikilinks.lua | 5 +++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/headings.lua b/headings.lua
index 45def9f..75ee75e 100644
--- a/headings.lua
+++ b/headings.lua
@@ -1,5 +1,6 @@
--- Make all headings (except the page h1 added by page.tmpl)
+-- Make all headings (except the h1 added by page.tmpl)
 -- clickable links to themselves, for easy bookmarking/linking.
+-- site.css controls their style.
 
 function Header(el)
    el.content = pandoc.Link(el.content, '#' .. el.identifier)
diff --git a/wikilinks.lua b/wikilinks.lua
index cde68e8..ea29ce2 100644
--- a/wikilinks.lua
+++ b/wikilinks.lua
@@ -16,14 +16,15 @@ function Link(el)
       -- t = t:gsub(t, "'", "")
       path, frag = t:match("([^#]*)#([^#]*)")
       t = path
-      if path:len() > 0 and not (
+      if not (
+         path:len() == 0 or
          path:match('%.html$') or
          path:match('%.%.$') or
          path:match('/$')
       ) then
          t = t .. ".html"
       end
-      if string.len(frag) > 0 then
+      if frag:len() > 0 then
          frag = pandoc.text.lower(frag)
          t = t .. "#" .. frag
       end