Change 173363 had a related patch set uploaded by Catrope:
Restore original rowspan/colspan rather than normalizing or overwriting with NaN

https://gerrit.wikimedia.org/r/173363

It turned out there were two corruption problems: colspan="02" was normalized to colspan="2", and colspan="2 garbage" was normalized to colspan="NaN". The patch fixes both.

Change 173363 merged by jenkins-bot:
Restore original rowspan/colspan rather than normalizing or overwriting with NaN

https://gerrit.wikimedia.org/r/173363

To go out in Monday's SWAT.

Verified the fix in beta.

Verified the fix in test2.