Re: port x-symbol to GNU emacs 24.
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What features are those you don't see elsewhere in Emacs?
(I'm
specifically asking about GNU Emacs, not XEmacs.)
I think a picture says more than 1000 words, here is a screenshot. (I
hope it will not be blocked).
GNU Emacs doesn't have extents and specifiers.
But what would provide a similar feature? I hoped somebody on the list
could tell me.
My suggestion is to use the equivalent features provided by GNU
Emacs. If you tell which features you miss, people here could advise
you about the replacements, either in core or in add-on packages.
Ok, so I have to dig more into the code or hope that somebody in
xemacs-beta could point me out what is the GNU emacs equivalent to those
functions. I still wonder how x-symbol could have worked under GNU
emacs 21, given that extents and specifiers did not exist neither for
emacs 21.
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- x-symbol-xemacs.png (image/png — 54.9 KB)
Tassilo Horn
Friday, 14 August
Fri, 14 Aug
5:05 p.m.
New subject: port x-symbol to GNU emacs 24.
Uwe Brauer <oub(a)mat.ucm.es> writes:
> What features are those you don't see elsewhere in Emacs?
(I'm
> specifically asking about GNU Emacs, not XEmacs.)
I think a picture says more than 1000 words, here is a screenshot. (I
hope it will not be blocked).
Well, I guess you could use Emacs' built-in `prettify-symbols-mode' in
order to display TeX macros using some unicode characters (or
preview-latex of course).
> GNU Emacs doesn't have extents and specifiers.
But what would provide a similar feature? I hoped somebody on the
list could tell me.
Emacs' overlays serve the same purpose as XEmacs' extents, and I think
there is or has been some 3rd-party package providing a unified API for
overlays and extents.
But I have no clue what specifiers are...
> My suggestion is to use the equivalent features provided by
GNU
> Emacs. If you tell which features you miss, people here could
> advise you about the replacements, either in core or in add-on
> packages.
Ok, so I have to dig more into the code or hope that somebody in
xemacs-beta could point me out what is the GNU emacs equivalent to
those functions. I still wonder how x-symbol could have worked under
GNU emacs 21, given that extents and specifiers did not exist neither
for emacs 21.
I just downloaded x-symbol 4.5.1, and in its x-symbol-emacs.el there are
several aliases defined for things that error for you. For example,
`map-extents' is made an alias for `cl-map-overlays'. So you have to
load that first.
Well, eventually when loading x-symbol.el I also got an
wrong-number-of-arguments error but that's probably an incompatibility
which is easy to fix.
Bye,
Tassilo
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Stefan Monnier
Friday, 14 August
Fri, 14 Aug
6:21 p.m.
New subject: port x-symbol to GNU emacs 24.
Emacs' overlays serve the same purpose as XEmacs' extents,
and I think
there is or has been some 3rd-party package providing a unified API for
overlays and extents.
Indeed there is: it's overlay.el (which adds Emacs's API to XEmacs and
hence doesn't help here).
But I have no clue what specifiers are...
Presumably this code was not run in Emacs-21, so you'll have to figure
out why (maybe some `fboundp' which returned t in Emacs-21 but doesn't
any more?).
I just downloaded x-symbol 4.5.1, and in its x-symbol-emacs.el there
are
several aliases defined for things that error for you. For example,
`map-extents' is made an alias for `cl-map-overlays'.
Was renamed to cl--map-overlays back in the cl-lib overhaul.
David wrote:
The main "not elsewhere" category I see are XEmacs'
extensive input
modes (grid which is sort of a buffer-based menu, keyboard input methods
quite better sorted and convenient than what Quail offers and with
better feedback). Its buffer reencoding is a rather mixed blessing, but
it works with more than just TeX modes.
I never found the buffer-reencoding very convincing/convenient and even
less so nowadays, but indeed I sometimes miss the various input methods
of X-Symbol. Ideally, those should be extracted into their own package.
Stefan
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Stefan Monnier -
Tassilo Horn -
Uwe Brauer