This interface is 供給するd to scripts, and 供給するs a means of 接近 to
the さまざまな interfaces which they might need to 成し遂げる some 活動／戦闘 on
a 文書. It is 要求するd to be passed as the first argument for any
Java scripts.
In some 事例／患者s, it is possible that scripts, embedded in a 文書,
are 遂行する／発効させるd from within a 状況 which is not the 文書
itself. In this 事例／患者, the getInvocationContext member 許すs
to 接近 this 状況.
公式文書，認める that the returned 状況 is 許すd to be NULL, in this 事例／患者,
the 文書 as returned by getDocument is the invocation 状況.
If the returned 状況 is not NULL, its ScriptContainer せいにする
equals the 文書 as returned by XScriptContext::getDocument.
