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Documentation of event-modifiers

From: Jonathan Ganc
Subject: Documentation of event-modifiers
Date: Sat, 18 Jun 2011 16:57:58 -0500
User-agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv: Gecko/20110414 Thunderbird/3.1.10


The documentation of `event-modifiers' states: "If EVENT is a symbol that has never been used in an event that has been read as input in the current Emacs session, then this function can return nil, even when EVENT actually has modifiers." However, I don't encounter this while using event-modifiers (unlike, for example, with (event-basic-type 'C-escape). Also, looking through the code for event-modifiers, there is a function `internal-event-symbol-parse-modifiers' whose purpose in fact seems to be parse the symbol. In what situation does this warning necessary or is it perhaps unnecessary?


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