…cated

….import()`

According to https://wiki.mozilla.org/Thunderbird/Add-ons_Guide_57

Error is "NS_NOINTERFACE for uri.file"
Using the stack to get the addon root dir seems to be hacky anyway? Bootstrapped extensions would have an `installPath` which would be more appropriate

The support for the non-standard, legacy iterator protocol has been
removed.

Every dialog using <prefwindow> must now include this CSS.

The interface has been removed in mozilla60. evaluate() returns an
XPathResult, so we can use its result to access the named constant
properties.

We now use a standard generator, which never throws StopIteration.

This version of the extension is incompatible with pre-quantum mozillas,
which in particular makes it useless for Firefox as quantum dropped XUL.
I don't know about SeaMonkey, ChatiZilla and Zotero.

Let's prevent the extension from loading for these codebases.

draw mail count background with cairo

update Russian translation

Update zh-TW locale.