As an example, on a current git tree, the following command triggers an 'Error: expected boolean value but got ""' dialog when scrolling to the bottom of the graph, and leaves the bottom of the graph not drawn. This happens with current master, but not with 1.2.4. gitk --all ^v1.0.6 -- Makefile While checking with git-bisect while limiting to path gitk, I noticed the amusing detail that "git-bisect visualize" is impacted by this bug. git-bisect shows that the commit triggering the problem is 79b2c75e043ad85f9a6b1a8d890b601a2f761a0e ("gitk: replace parent and children arrays with lists" on Apr 2) Hope this helps, -- Yann Dirson <ydirson@xxxxxxxxxx> | Debian-related: <dirson@xxxxxxxxxx> | Support Debian GNU/Linux: | Freedom, Power, Stability, Gratis http://ydirson.free.fr/ | Check <http://www.debian.org/> - : send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html