bug#14886: Fwd: bug#14886: Fwd: A significant slowdown calling font-lock-fontify-buffer from a hook

[Juanma Barranquero]

> When I try this on today's trunk (just updated to rev #113531), I get
> 28.2s.  The same on Emacs 24.3 aborts with some sort of error in ~1.5s
> (although there is no error message visible).

In that case, a few conclusions:

- Font-lock-fontify-buffer should not be called from a hook.
- Errors during fontification should be visible. That would have made
clear that there was something wrong with the 24.3 use case.

   J