On 2014-10-16 Thu 08:34, Eli Zaretskii wrote: > Both bzr and git have a bisect command that will converge on the > offending revision logarithmically. Since there were about 1000 > commits since the beginning of the summer, you will need about 10 > different builds. Ok, I used git bisect as described here: http://git-scm.com/docs/git-bisect In every iteration I did the following: make distclean && make clean && ./autogen.sh && ./configure && make && src/emacs -Q According to this procedure, the following commit introduced the problem: 6fcdb247c460ae52018a970c189969620c959465 Does that make any sense at all? Titus