https://bugzilla.wikimedia.org/show_bug.cgi?id=66616
C. Scott Ananian <canan...@wikimedia.org> changed:
What |Removed |Added
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CC| |canan...@wikimedia.org
--- Comment #3 from C. Scott Ananian <canan...@wikimedia.org> ---
Note that performance of CSS selectors is generally sensitive to the right-hand
context.
The point of using a consistent structure in the Parsoid DOM for figures/images
is so that you could reliably use:
figure[typeof~='mw:Image/Thumb'] > * > img
or even
figure[typeof~='mw:Image/Thumb'] > *:first-child > img:first-child
instead of needing to do
figure[typeof~='mw:Image/Thumb'] img
(which I agree is bad, since it grabs images nested inside captions, as well as
any images which are added to the markup by widgets etc, as well as causing the
performance implication of a whole leaf-to-root walk up the DOM for every img
tag).
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