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Re: Help with sxml simple parser for the quicklisp importer

From: Ricardo Wurmus
Subject: Re: Help with sxml simple parser for the quicklisp importer
Date: Wed, 23 Jan 2019 17:41:32 +0100
User-agent: mu4e 1.0; emacs 26.1

swedebugia <address@hidden> writes:

> On 2019-01-23 16:58, Ricardo Wurmus wrote:
>> swedebugia <address@hidden> writes:
>>>> The second “link” tag opens but is never closed.  This may be valid
>>>> HTML, but it is not valid XML, which is what xml->sxml expects.
>>> Thanks for the quick answer!
>>> I will try to remove this line before handling over to the parser.
>> I would recommend looking for a better source of package information.
>> Parsing HTML is not fun and is often brittle.
> I understand. Hm. Will try asking the author.
> Got a little further. Added this:
> (define (sanitize-html html)
>   "Correct an offending invalid line from the html source"
>   (let* ((html1 (regexp-substitute #f (string-match "main.css\">" html)
>                                    'pre "main.css\" />" 'post))
>          (result (regexp-substitute #f (string-match "utf-8\">" html1)
>                                     'pre "utf-8\" />" 'post)))
>     result))

It’s generally a bad idea to use regular expressions on HTML or XML.  Be

> sxml/simple.scm:143:4: In procedure loop:
> Throw to key `parser-error' with args `(#<input: string 24fdaf0>
> "[wf-entdeclared] broken for " copy)'.

I guess this is about the &copy; entity.  You may have to tell xml->sxml
about these HTML entities.


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