vimwiki: valid html tags: add span

home/.vim/vimrc

@@ -331,6 +331,10 @@ let mapleader = ","
     " there can be many of these
     let g:vimwiki_list = [wiki, markdownwiki]
 
+    " span is here so :VimwikiColorize will work - it's weird that it's not in
+    " the default list, since that's supported.
+    let g:vimwiki_valid_html_tags = 'b,i,s,u,sub,sup,kbd,br,hr,span'
+
     " don't make temporary wikis based on file extensions in the list - this
     " is necessary to avoid .md files getting a filetype of vimwiki instead of
     " markdown: