Good day.
Previous subject: [lxml] Re: A possible problem with processing of XSLT
I think, that I have found the cause to the issue, or, at least, now I
know how to cause to the issue, and how to define it.
Issue
-----
Elements without text content would overlap.
Samples to experiment with
--------------------------
<nav id="xslt-navigation-posts">
<span id="xslt-navigation-previous"/>
<span id="xslt-navigation-proceed"/>
</nav>
<nav id="xslt-navigation-posts">
<span id="xslt-navigation-previous"></span>
<span id="xslt-navigation-proceed"></span>
</nav>
Result after processing
-----------------------
<nav id="xslt-navigation-posts">
<span id="xslt-navigation-previous">
<span id="xslt-navigation-proceed">
</span></span></nav>
Severness
---------
The severness is high, because this would affect on embedding of
CSS stylesheets and ECMAScript scripts and other elements that do not
require or should not have textual content.
Examples:
<script src="/scripts/navigation.js" type="text/javascript"></script>
<script src="/scripts/navigation.js" type="text/javascript" />
Note
----
This issue does not occur with client-side XSLT parsers of internet
browsers such as Falkon and Otter Browser.
Kind regagrds,
Schimon
On Thu, 21 Aug 2025 20:57:28 +0300
Schimon Jehudah via lxml - The Python XML Toolkit <[email protected]>
wrote:
> Good evening.
>
> It appears that this issue is easy to reproduce and probably is easy
> to fix as well.
>
> I would appreciate someone ot assist in writing and report about that
> issue.
>
> Kind regards,
> Schimon
>
> On Fri, 25 Jul 2025 19:13:58 +0300
> Schimon Jehudah via lxml - The Python XML Toolkit <[email protected]>
> wrote:
>
> > Good evening.
> >
> > I am manipulating XSLT files with LXML.
> >
> > Much of it works well.
> >
> > Yet, it appears, that there is an issue with LXML, or libxml2, or
> > libxslt upon rare circumstances which I am not sure that I am
> > eloquent enough to explain.
> >
> > I would appreciate help in analyzing this possible issue, if this is
> > indeed a genuine issue.
> >
> > I have detailed and linked to the relevant code.
> >
> > https://git.xmpp-it.net/sch/Rivista/issues/6
> >
> > Please advise.
> >
> > P.S. I will be available during Saturday or Sunday evening.
> >
> > Kind regards,
> > Schimon
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