From a7dc41fdb5c4fc69ca2189412e9ba47ddf9aa084 Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Wed, 5 Feb 2014 00:36:10 -0500
Subject: v5 v6: ao, set document tags

---
 lib/sisu/v5/ao_doc_str.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'lib/sisu/v5/ao_doc_str.rb')

diff --git a/lib/sisu/v5/ao_doc_str.rb b/lib/sisu/v5/ao_doc_str.rb
index f7168c26..dd7f32f3 100644
--- a/lib/sisu/v5/ao_doc_str.rb
+++ b/lib/sisu/v5/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
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