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(Character Type): Correct the range of Emacs characters. Add an @xref

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to "Character Codes".
This commit is contained in:
Eli Zaretskii 2008-11-29 12:20:25 +00:00
parent b517357487
commit 47dbc0440f
2 changed files with 19 additions and 8 deletions
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12
doc/lispref/ChangeLog
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@ -1,3 +1,15 @@
2008-11-29 Eli Zaretskii <eliz@gnu.org>
* objects.texi (Character Type): Correct the range of Emacs
characters. Add an @xref to "Character Codes".
* strings.texi (String Basics): Add an @xref to "Character Codes".
* numbers.texi (Integer Basics): Add an @xref to `max-char'.
* nonascii.texi (Explicit Encoding): Update for Emacs 23.
(Character Codes): Document `max-char'.
2008-11-28 Eli Zaretskii <eliz@gnu.org>
* nonascii.texi (Text Representations, Converting Representations)

15
doc/lispref/objects.texi
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@ -231,13 +231,12 @@ example, the character @kbd{A} is represented as the @w{integer 65}.
more common to work with @emph{strings}, which are sequences composed
of characters. @xref{String Type}.
Characters in strings, buffers, and files are currently limited to
the range of 0 to 524287---nineteen bits. But not all values in that
range are valid character codes. Codes 0 through 127 are
@acronym{ASCII} codes; the rest are non-@acronym{ASCII}
(@pxref{Non-ASCII Characters}). Characters that represent keyboard
input have a much wider range, to encode modifier keys such as
Control, Meta and Shift.
Characters in strings and buffers are currently limited to the range
of 0 to 4194303---twenty two bits (@pxref{Character Codes}). Codes 0
through 127 are @acronym{ASCII} codes; the rest are
non-@acronym{ASCII} (@pxref{Non-ASCII Characters}). Characters that
represent keyboard input have a much wider range, to encode modifier
keys such as Control, Meta and Shift.
There are special functions for producing a human-readable textual
description of a character for the sake of messages. @xref{Describing
@ -362,7 +361,7 @@ an error.
This peculiar and inconvenient syntax was adopted for compatibility
with other programming languages. Unlike some other languages, Emacs
Lisp supports this syntax in only character literals and strings.
Lisp supports this syntax only in character literals and strings.
@cindex @samp{\} in character constant
@cindex backslash in character constant