9.4. Using Commands Via XUL
XUL provides the <command> tag for Mozilla commands. The tags <commandset> and <commands> are also used, but they are user-defined tags with no special meaning of their own. A <commandset> tag is used to contain a set of <command> tags and acts like the other XUL container tags, like <keyset>.
XUL also contains a number of XML attributes that can be applied to any tag. They are
command events targets commandupdater
and two event handlers:
oncommand oncommandupdate
Outside of XUL, the Mozilla Platform also has many predefined command names, but we'll discuss those in more detail later.
9.4.1. <command> and command=
The <command> tag is used to define a Mozilla command, just as the <key> tag is used to define a Mozilla ...
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