bug#41441: 26.3; mhtml misbehaving font-lock extend region can cause Emacs to hang

[Dmitry Gutov]

On 31.05.2020 19:08, Tom Tromey wrote:
> Also see bug #29159, where Stefan says that this function should never
> shrink the region -- and where I also speculate that the function is
> probably not needed.  Funny.

That happens sometimes. :-)

But you seem to be speculating there about whether 
font-lock-extend-region-multiline is needed. Not the mhtml specific 
function.

> Soon I will install the patch to remove it.

Thanks!