Issue #3884

Issue #3884

Closes #3899

Closes #3884

Closes #3846.

Issue #3852

Closes #3846

Closes #3840

Closes #3834

Issue #3821

It doesn't work inside of a transformed container, even for zero
transforms (which some components seem to love putting on root
elements, for whichever reason)

Closes #3238

To avoid messing up the position of the gutter when an offset
bigger than the max offset is given.

Closes #3781
Closes #3788

Closes #3753

See https://discuss.codemirror.net/t/inserting-a-boomark-immediately-before-a-textmarker/590/1

Issue #3736

We can't check for nextChange until all marks have been looked at

See https://discuss.codemirror.net/t/marktext-endstyle-appearing-multiple-times/568/5

Issue #3723

There was a typo in one of the comments (`actuall` vs `actual`).

Issue #3708

Makes sure the selection is not entirely cleared, which causs the
on-screen keyboard to get hidden.

Disabled for Firefox, where this causes other problems.

Issue #3653

Which is kind of arbitrary but seems to give less surprising
results.

Issue #3658

The code is now clearer, and will prefer the nearer end of the atomic
range as long as that means there is still progress (i.e. the cursor
does not get stuck).

Issue #3658

Closes #3665