forward-comment in 21.2 (and 21.4) is _far_ slower than it is in 21.1. Consider this profile of indent-for-tab-command run 25 times at the end of config.h.in (with font lock turned off --- turning it on making it so slow that it's nearly unusable) Function Name Ticks %/Total Call Count ======================= ===== ======= ========== forward-comment 183 69.582 22308 re-search-forward 22 8.365 22308 re-search-backward 22 8.365 52 c-backward-syntactic-ws 17 6.464 130 scan-lists 9 3.422 1768 back-to-indentation 4 1.521 22542 byte-code 3 1.141 1794 char-before 2 0.760 22672 scan-sexps 1 0.380 1742 -------------------------------------------------------- Total 263 100.000 This produces a noticeable delay. It barely shows up under the same conditions (same test, same version of cc-mode (heck, symlink to the same xemacs-packages directory). Does this happen for anyone else? -- "Real minds that really grow take offense sometimes - and give it sometimes. The desire never to offend or be offended is the desire not to think." -trhurler, Kuro5hin