This allows keyboard shortcuts containing both "Ctrl" and "Alt" in the
manifest of webextensions (in the "commands" -> "suggested_key" key),
rather than just one of these modifiers. The equivalent combinations
on MacOS (any two of "Command", "Alt" and "MacCtrl") are also allowed.
Non-sensical combinations (such as "Ctrl+Command" or "Ctrl+Ctrl") are
forbidden.
MozReview-Commit-ID: 59tC2efLm5q
This patch was autogenerated by my decomponents.py
It covers almost every file with the extension js, jsm, html, py,
xhtml, or xul.
It removes blank lines after removed lines, when the removed lines are
preceded by either blank lines or the start of a new block. The "start
of a new block" is defined fairly hackily: either the line starts with
//, ends with */, ends with {, <
