Carlos AB writes:
I have found an error while trying to visualize changes made to EditForm:
ERROR: pat=/^\(:e_preview:\)/e Undefined index: $PreviewText
Warning: Cannot modify header information - headers already sent by
(output started at xxxxxx/pmwiki.php:1612) in xxxxxx/pmwiki.php on
line 1176
Yes, this is a known thing, the {$PreviewText} variable contains the
rendered wikitext, but on that specific page EditForm, the wikitext contains
{$PreviewText}, it is a catch-22, a circular self-reference.
(actually, it contains (:e_preview:) which is evaluated to $PreviewText,
but that's sensibly the same).
For the next version I'll suppress the warning, but there is still some
weird "" output and I still haven't found where it comes from.
Anyways, this page shouldn't be edited and previewed very often, you can
just ignore the warning and go on with your work. :-)
Petko
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