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Preparing for 5.0.13
New ribbon colour for 5.0.13
 Docs update
Fix importing blank fields from TiddlyWiki files
Fixed missing class on external pretty links
Fix obsolete transclude widget docs
Merge pull request #617 from IreneKnapp/Irene-contributor

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Add keyboard shortcut documentation
Fix for inability to scroll modal wizards
Add support for $:/tags/RawMarkup
Fixed default tiddler not appearing in zoomin view

See https://groups.google.com/d/topic/tiddlywiki/c-z7f-h1CAo/discussion
Retract inadvertant change from previous commit