1 files changed, 6 insertions, 3 deletions
diff --git a/man/manfilter.lua b/man/manfilter.lua
index 81968ad2f..c6bbd02c4 100644
--- a/man/manfilter.lua
+++ b/man/manfilter.lua
@@ -1,19 +1,22 @@
--- filters to create the pandoc man page from MANUAL.txt
+-- we use preloaded text to get a UTF-8 aware 'upper' function
+local text = require('text')
 
--- capitalize headers
+-- capitalize level 1 headers
 function Header(el)
     if el.level == 1 then
       return pandoc.walk_block(el, {
         Str = function(el)
-            return pandoc.Str(el.text:upper())
+            return pandoc.Str(text.upper(el.text))
         end })
     end
 end
 
+-- replace links with link text
 function Link(el)
     return el.content
 end
 
+-- remove notes
 function Note(el)
     return {}
 end