Re: tip: how to not forget attachments

[Brian Sniffen <bts@evenmere.org>]

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`error` doesn’t do any unwinding; it leaves the program state wherever it was for analysis.  You probably want throw/catch, as described at https://www.gnu.org/software/emacs/manual/html_node/elisp/Catch-and-Throw.html#Catch-and-Throw

-- 
Brian Sniffen

> On Mar 19, 2018, at 3:25 PM, Antoine Beaupré <anarcat@orangeseeds.org> wrote:
> 
>> On 2018-03-19 13:56:54, Antoine Beaupré wrote:
>> PS: don't we have a "you forgot to actually attach the damn file" plugin
>> when we detect the word "attachment" and there's no attach? :p
> 
> So I figured that one out, I think. Before adding it to the wiki, I'd
> like a review of the code (attached) from more adept elisp programmers.
> 
> I'm particularly surprised that save-excursion doesn't work the way I
> expect: when I answer "no" to the question, I go back to the email
> buffer, but the point is invariably at the end of the buffer, whereas I
> would expect it to be where it was when I send the message. It looks
> like something else moves the mark before my hook, but I'm not sure
> what...
> 
> How else than (error) or (keyboard-quit) am I supposed to abort email
> sending? (message-send) uses the latter but it would seem better to use
> an actual error message than to just "beep" our way out here..
> 
> Other advice? (save-excursion) + (goto-char (point-min)) +
> (re-search-forward), is that idiomatic? or is there something more
> clever that should be done?
> 
> thanks!
> 
> -- 
> Tu connaîtras la vérité de ton chemin à ce qui te rend heureux.
>                        - Aristote
> <notmuch-buddha.el>
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