Re: Default of jit-lock-stealth-time

[David Kastrup <dak@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

> Inaccurate.  First, font-lock was turned off by default in _all_
> versions of Emacs since its introduction (in v19.x, AFAIR).  More
> importantly, a large majority of users turned it on,

I'd like to see some statistics supporting that.  A large majority of
users does not touch defaults, according to my experience.

> so that jit-lock-stealth _was_, indeed, widely used since v21.1,
> where jit-lock was introduced.

Anyway, when people turned it on, they expected to have drawbacks
(which was why it was not on by default).  But people now get font
lock mode without asking for it.

>> Quite a bit of fixes went into font-lock in order to make it a
>> defensible choice to enable it by default.
>
> Inaccurate.  Improvements to jit-lock notwithstanding, the main
> reason for turning it on was that we decided the garden-variety CPUs
> are nowadays fast enough to fontify buffers without annoyance to
> most users.

Our memories differ then.  I remember distinctly that several
`pathological' cases were cleared up before Richard agreed to enable
font locking by default.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum