From: "Drew Adams" <drew.adams@oracle.com>
Subject: doc of prompt change with minor mode for read-key-sequence?
Date: Tue, 12 Sep 2006 09:27:22 -0700 [thread overview]
Message-ID: <MEEKKIABFKKDFJMPIOEBIEPGDEAA.drew.adams@oracle.com> (raw)
I may not be characterizing this 100% correctly, but perhaps this will help
someone knowledgeable to understand.
I have this:
;; Make [pause] key be a synonym for `C-x 8' (compose key).
(define-key key-translation-map [pause]
(lookup-key key-translation-map "\C-x8"))
I also have a minor mode named "Foo".
When I do `C-h k' without the minor mode active, and hit the [pause] key,
the prompt remains "Describe key: " (that is, I see "Describe key: pause-").
When I do the same thing with the minor mode active, the prompt changes to
"Foo: " (and there is no "pause-" to indicate the prefix).
It took me quite a while to discover where this second prompt was coming
from. Because the translation happens at a low level, I couldn't figure out
a way to debug it. By experimenting and searching source code, I found that
"Foo: " comes from the name of the minor-mode keymap: (make-sparse-keymap
"Foo"). (I don't know where the ": " is appended or in what code that takes
place.)
Questions:
1) Why does this happen? What is the purpose of the prompt change? Why
doesn't "pause-" appear, as it does without the minor mode?
2) What are users to understand by this? Should the prompt instead say at
least "Foo mode: " perhaps, to at least let users know what "Foo" refers to?
3) Shouldn't this be documented somewhere, especially since it is so
difficult to find/debug (being a low-level translation)?
next reply other threads:[~2006-09-12 16:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-12 16:27 Drew Adams [this message]
2006-09-13 15:10 ` doc of prompt change with minor mode for read-key-sequence? Richard Stallman
2006-09-13 15:42 ` Drew Adams
2006-09-13 16:45 ` Stefan Monnier
2006-09-13 17:19 ` Drew Adams
2006-09-13 17:58 ` Stefan Monnier
2006-09-14 2:34 ` Richard Stallman
2006-09-14 15:09 ` Drew Adams
2006-09-18 14:58 ` Richard Stallman
2006-09-18 15:38 ` Drew Adams
2006-09-18 23:39 ` Richard Stallman
2006-09-22 19:21 ` Stefan Monnier
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