From: Stefan <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: overlays?
Date: Wed, 19 Mar 2014 08:29:59 -0400 [thread overview]
Message-ID: <jwvmwgm1imb.fsf-monnier+gmane.emacs.help@gnu.org> (raw)
In-Reply-To: slrnliiq97.9nq.joost.m.kremers@j.kremers4.news.arnhem.chello.nl
>> So an overlay could possibly be better for "the first five lines of the
>> buffer" than font-lock.
This makes no sense: You can't oppose "font-lock" and "overlays",
really, because they are by nature different beasts.
`font-lock' is a library that puts "things" on some parts of the buffer
to change their appearance (color, font, size, ...). hi-lock is another
library that does the same, tho it is meant to be used differently (the
rules specifying what-to-put-where are typically specified interactively
in hi-lock whereas they are typically specified once and for all by the
major-mode author for font-lock, so they can be more complex).
Emacs offers to kinds of "things" that can be used for that purpose:
text-properties and overlays. These *are* comparable (e.g. font-lock
uses text-properties, but it could use overlays instead).
Stefan
next prev parent reply other threads:[~2014-03-19 12:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.17396.1395106856.10748.help-gnu-emacs@gnu.org>
2014-03-18 10:05 ` overlays? Joost Kremers
2014-03-19 7:38 ` overlays? lee
2014-03-19 8:21 ` overlays? Jambunathan K
[not found] ` <mailman.17502.1395216683.10748.help-gnu-emacs@gnu.org>
2014-03-19 9:53 ` overlays? Joost Kremers
2014-03-19 12:29 ` Stefan [this message]
2014-03-18 1:40 overlays? lee
2014-03-18 6:17 ` overlays? Marcin Borkowski
2014-03-19 7:22 ` overlays? lee
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