1 files changed, 4 insertions, 1 deletions
diff --git a/lib/sisu/v6/ao_doc_str.rb b/lib/sisu/v6/ao_doc_str.rb
index 0cdd553b..d8c012fd 100644
--- a/lib/sisu/v6/ao_doc_str.rb
+++ b/lib/sisu/v6/ao_doc_str.rb
@@ -163,10 +163,13 @@ module SiSU_AO_DocumentStructureExtract
           str=str.gsub(/(^|[ ])\*~([a-z0-9._-]+)(?=[ #{Mx[:br_nl]}]|$)/i,
               "\\1#{Mx[:tag_o]}\\2#{Mx[:tag_c]}").
             gsub(/ [ ]+/i,' ')
-          tags=str.scan(/#{Mx[:tag_o]}(\S+?)#{Mx[:tag_c]}/).flatten
+          tags=str.scan(/#{Mx[:tag_o]}(\S+?)#{Mx[:tag_c]}/).flatten.uniq
           str=str.gsub(/[ ]?#{Mx[:tag_o]}\S+?#{Mx[:tag_c]}[ ]?/,' ') #may be issues with spaces would leave one, but "code" blocks?
         end
         tags=nametag ? (tags << nametag) : tags
+        tags.each do |t|
+          t.gsub!(/[^a-z0-9._-]/,'')
+        end
       end
       [str,tags]
     end