From: <tomas@tuxteam.de>
To: guile-user@gnu.org
Subject: Re: sxml-match bad pattern syntax
Date: Tue, 28 Dec 2021 11:06:55 +0100 [thread overview]
Message-ID: <Ycrhv9wZ1Cb+gFkI@tuxteam.de> (raw)
In-Reply-To: <875yr9dqzg.fsf@gnuvola.org>
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On Tue, Dec 28, 2021 at 04:21:39AM -0500, Thien-Thi Nguyen wrote:
>
> () <tomas@tuxteam.de>
> () Tue, 28 Dec 2021 09:28:32 +0100
>
> > Ah, right! The ellipses are a tail that need to follow a
> > head.
>
> No, the ellipses tell the matcher that the symbol to its left
[...]
> I think we're saying the same thing, but in any case, i
> understand what you're saying.
I see now. I was mis-reading you.
[...]
> I think the ‘otherwise’ clause is a bit unwieldy; it presumes
> normal form 3 (attribute lists always present). However, i
> couldn't find a way to match "any element". ISTM the element
> portion (first symbol in the form) MUST be non-variable.
At first blush it seems so. At least, when I try [1], it yells at
me with something something
Throw to key `sxml-match-error' with args `(#f "bad pattern syntax (not an element pattern)" ...
Hm.
Cheers
[1] what I try is matching the tag to an unquoted var, like
so (match ((,tag ...))).
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t
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prev parent reply other threads:[~2021-12-28 10:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-28 6:21 sxml-match bad pattern syntax Thien-Thi Nguyen
2021-12-28 7:19 ` tomas
2021-12-28 7:58 ` Thien-Thi Nguyen
2021-12-28 8:28 ` tomas
2021-12-28 9:21 ` Thien-Thi Nguyen
2021-12-28 10:06 ` tomas [this message]
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