[Tiki-devel] Anchors are screwed up

Volker Wysk <post-hhF2Jplw28UoZk/[email protected]> Sun, 15 Jan 2023 12:18:12 +0100

Newsgroups	gmane.comp.cms.tiki.devel
Message-ID	<[email protected]>

Hi.

In wikiplugin_aname.php and wikiplugin_alink.php, there's the following:

    // the following replace is necessary to maintain compliance with XHTML
    // 1.0 Transitional and the same behavior as tikilib.php. This will 
    // change when the world arrives at XHTML 1.0 Strict.
    $aname = preg_replace('/[^a-zA-Z0-9]+/', '_', $aname);

This means, only latin letters and digits are allowed in anchor names.
Everything else is replaced by an underscore when rendering the HTML page.

This (sometimes) works, as long as only the AName and ALink plugins are
used. But it doesn't, when the subsection part in an internal link is used -
((Page|#Subsection|...)). I've tried it with "((Ankertest|#Überschrift-
Anker))" and got a subsection part of "#%C3%9Cberschrift-Anker" in the
generated HTML.

The subsection part needs to undergo the same treatment as the anchor name,
which the AName plugin does, when this is supposed to work.

Anchors which are generated from headings are different as well. I've tried
it with a heading called "Überschrift dazwischen", and the resulting anchor
name in the HTML page is "berschrift_dazwischen".

And what about languages that don't use a latin alphabet, such as many Asian
languages? The complete anchor names will be replaced by an underscore.

Anchor handling is really screwed up.

The world has "arrived at XHTML 1.0 Strict" long ago - in 2002, it says in
the https://www.w3.org/TR/xhtml1/ page. So it's time that "this will
change".

Regards,
Volker

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