Robert Pluim <Robert_Pluim(a)BayNetworks.COM&gt; writes in xemacs-beta(a)xemacs.org: > Just hit C-h d in a gnus article buffer, and got a core dump. Haven't seen this one before, but ... > Anyone have any suggestions for how to debug this? ... > skip-syntax-backward("_w") Eek! There have been *a lot* of crashes reported in this function of late. Who last modified it? Look at recent diffs to the file this function appears in and replace the curent version of the function with previous versions until the bug disappears, then let us know what version this is.