Fix `progress_bar()` template macro to support more than 2 intervals. Thanks to Kevin A. Puetz for the report and the patch. Closes #5173.
Fix `progress_bar()` template macro to support more than 2 intervals. Thanks to Kevin A. Puetz for the report and the patch. Closes #5173.

git-svn-id: 0d96b0c1a6983ccc08b3732614f4d6bfcf9cbb42@5221 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac