From: Emanuel Berg <moasen@zoho.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Toggle WikiLink on and off does not work?
Date: Thu, 17 Aug 2017 13:54:47 +0200 [thread overview]
Message-ID: <86pobuwgs8.fsf@zoho.com> (raw)
In-Reply-To: CAONhAouELN8WfydsNospi8F5pBDVK9OTxgBUcPbPcTqCH7p8rw@mail.gmail.com
Here is how I would write it, I think. It seems
to work at least when inserting or removing the
tag is concerned.
If it gets more complicated, you might want to
factor out the searches (the
`re-search-forward's) and put them into
a `let', then check the associated values if
they are nil or not (see the help for
re-search-forward how to make it not report an
error on no hit), and then move point to
(match-beginning 0) - but only if you feel the
need to, using re-search-forward "inline" if
you will is a fine way to do it as well.
See answer one for comments what I did.
Except for [[:alpha:]] which I didn't mention.
In answer two there are some other comments.
This is answer three :)
(defun emacs-wiki-unlink-toggle ()
(interactive)
(save-excursion
(if (looking-at "[[:space:]]")
(goto-char (1- (re-search-forward "[[:alpha:]<]")))
(goto-char (1+ (re-search-backward "[[:space:]]"))))
(let*((nop "<nop>")
(nop-len (length nop)))
(if (looking-at nop)
(delete-char nop-len)
(insert nop)))))
--
underground experts united
http://user.it.uu.se/~embe8573
prev parent reply other threads:[~2017-08-17 11:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-16 8:55 Toggle WikiLink on and off does not work? Csányi Pál
2017-08-16 14:50 ` Emanuel Berg
2017-08-16 15:32 ` Emanuel Berg
2017-08-17 8:17 ` Csányi Pál
2017-08-17 11:42 ` Emanuel Berg
2017-08-17 18:53 ` Csányi Pál
2017-08-17 21:12 ` Emanuel Berg
2017-08-18 5:06 ` Csányi Pál
2017-08-19 14:13 ` Emanuel Berg
2017-08-19 14:41 ` Csányi Pál
2017-08-19 14:52 ` Emanuel Berg
2017-08-19 15:15 ` Csányi Pál
2017-08-17 11:54 ` Emanuel Berg [this message]
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