From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Stefan-W. Hahn" Newsgroups: gmane.emacs.devel Subject: Sudden jumping point in buffer. Probably a bug? 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:194737 Archived-At: Hello, I'm using emacs as 64 bit compiled on windows 7/64 and linux 64 bit. Since quite a while I have the problem that, while typing, the cursor (point) is sometimes suddenly jumping to another position in buffer. First I thought I have touched the touchpad of my laptop. But this also happened without touchpad on normal keyboard. I also thought first it just happens on windows. But I saw it a few times on linux too. I'm not sure but perhaps it also happens not just in C++ but also in Org-mode. My guess that it has something to do with fontifying (semantic?). With this I have gone through the commits of emacs and saw that at May 4 2015 there was a change with save-excursion and a new function save-mark-and excursion; but I haven't seen a bug in implementation at first sight. Alas I don't know the version of my (older) emacs which haven't had this problem. (Because of this I now compile the git commit signature into the flags like: ./configure --with-x ... CFLAGS="-g3 -O3" GIT_VERSION="$(git describe)" With this I have tha signature available in system-configuration-options.) I even don't have a clue how to produce this. So for the moment I'm doing ghost bug hunting... :-( Anybody else having this problem? Any hint how to dig into the problem? (view-lossage does not show any unusual) With kind regards, Stefan -- Stefan-W. Hahn It is easy to make things. It is hard to make things simple.