TortoiseBlame has a `/path` command line switch in the dialog title
The following image was captured by invoking blame on 15000-HEAD on `src/TortoiseMerge/DiffColors.cpp` from a working copy of the TortoiseSVN repository trunk.
TortoiseBlame.pngAlso, the dialog title is not displayed as "url/path (shortened) - dialog title - TortoiseSVN", as was described in [1].
[1]
http://old.nabble.com/Repo-browser-labelling-on-the-task-bar-td31607056.html