Also set CodeMirror-linenumber to nowrap.

Works around issue where a rounding error causes the line
numbers to wrap in some situations on iOS.

Closes #3068

Issue #3117

Thus allowing a user to specify a non-global regexp, causing a hang
in buildToken

Issue #3117

Closes #3113

Closes #3114

Looking up arbitrary strings without a hasOwnProperty check
never ends well.

Closes #3106

Issue #3104

Margins for gutter markers aren't supported, and this was
pushing the numbers into the content.

Issue #3098

Issue #3098

Closes #2581

Closes #2858

Closes #3073

It was a broken mess. The Smarty mode now supports a base mode.

Issue #2871

Issue #2871

At least that works.

Closes #1788

Closes #3099

We're still targeting ES3.

Typing the same character multiple times in a row would
cause a character to be deleted.

So that styling content causes a redraw, removing the style

Since preventDefaulting the first touchend event means the native
behavior won't happen anymore, this is seems to be the only way
to make multi-tap work for iOS.