Initial checkin.

Signed-off-by: Thomas Hochstein <thh@inter.net>

lib/filters/abbreviations.rb

@@ -0,0 +1,23 @@
+# abbreviations.rb
+# a nanoc filter
+# licensed as nanoc itself
+#
+# add <bbrev> tags for all known abbreviations by a
+# very naive - and time consuming - regexp matchingA
+#
+# data source: YAML file in /content/_data/abbreviations
+#
+module Nanoc::Filters
+  class Abbreviations < Nanoc::Filter
+  	identifier :abbrev
+  	type :text
+
+    def run(content, params={})
+      output = content;
+  		@items['/_data/abbreviations/'][:abbreviations].each do |a|
+        output = output.gsub(/(\s|[-,.;:"'!?>\(\[]+)#{a[:abbrev]}(\s|[-,.;:"'!?<\)\]]+)/,'\\1<abbr title="' + a[:fulltext] + '">' + a[:abbrev]+ '</abbr>\\2')
+      end
+      return output       
+    end
+  end
+end