musescore/MuseScore — pull request #109 by mgavioli (2012-10-14 18:02:58+00:00)
Title: #12398 Bar line smaller spans

Smaller granularity for bar line spans, down to a single staff space, both as whole staff change and as single, specialized, bar line change; fully undoable.

For a discussion, see feature request http://musescore.org/en/node/12398