I've noticed that parser tag extensions render twice when an article is saved
from the edit page.
All I did was write a parser tag <foo> that runs error_log('foo').
It prints once when I hit <foo/> on a page, but twice when saving the page from
the wiki editor.
Is there a way to prevent this double-running on save?
Even way for the extension itself to detect it's on the first (or second) run
and suppress itself?
I have an extension that is heavyweight, making a SQL query to an external
database,
and I don't want to run twice.
Thanks for any insights!
DanB
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