JohnCD67 wrote:

I have seen this before. [http://en.wikipedia.org/w/index.php?title=User:JohnCD/VEtest5&diff=561489564&oldid=561489465 Here] it is, isolated. Where there is a passage in both bold and italic, so that there are five ' characters each side, VE strips out three of them from the second set, so that following text appears in bold. This is not apparent during the edit, only when the page is saved (or by studying the diff carefully with "Review your changes").

(In reply to comment #0)

Makes a change from unexpected removal - see the lede in
https://en.wikipedia.org/w/index.php?title=The_Bad_Lieutenant:
_Port_of_Call_New_Orleans&diff=561441720&oldid=559871185

There are no bold diffs in the lead, only reformatting of references and templates. That should be fixed in https://gerrit.wikimedia.org/r/70581 among others.

(In reply to comment #1)

I have seen this before.
[http://en.wikipedia.org/w/index.php?title=User:JohnCD/
VEtest5&diff=561489564&oldid=561489465
Here] it is, isolated. Where there is a passage in both bold and italic, so
that there are five ' characters each side, VE strips out three of them from
the second set, so that following text appears in bold. This is not apparent
during the edit, only when the page is saved (or by studying the diff
carefully
with "Review your changes").

That's bug 50068

Part one is fixed (so marking as fixed); part two is bug 50068.

(In reply to comment #1)

I have seen this before.
[http://en.wikipedia.org/w/index.php?title=User:JohnCD/
VEtest5&diff=561489564&oldid=561489465
Here] it is, isolated. Where there is a passage in both bold and italic, so
that there are five ' characters each side, VE strips out three of them from
the second set, so that following text appears in bold. This is not apparent
during the edit, only when the page is saved (or by studying the diff
carefully
with "Review your changes").

Thanks for the isolated test case, though, that's very useful! This will allow me to track down bug 50068 a lot faster.