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21790: initial attempt at documenting 4.3 release

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Peter Stephenson 2005-10-03 09:00:44 +00:00
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5
ChangeLog
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@ -1,3 +1,8 @@
2005-10-03 Peter Stephenson <pws@csr.com>
* 21790: INSTALL, NEWS, README: add some documentation about
the 4.3 release.
2005-10-02 Peter Stephenson <pws@pwstephenson.fsnet.co.uk>
* 21802: Src/Zle/complist.c, Src/Zle/compmatch.c,

21
INSTALL
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@ -235,6 +235,27 @@ as make can become confused by build files created in the source directories.
CONFIGURATION OPTIONS
=====================
Multibyte Character Support
---------------------------
Support for multibyte character sets that extend ASCII, such as UTF-8, is
under development but the code in the line editor is sufficiently stable to
be turned on by default in environments that provide full ISO 10646 support
including the preprocessor definition __STDC_ISO_10646__.
The support can be explicitly enabled or disable with --enable-multibyte or
--disable-multibyte. Reports of systems where multibyte support was not
enabled by default but --enable-multibyte resulted in a usable shell would
be appreciated. The developers are not aware of any need to use
--disable-multibyte and this should be reported as a bug.
The main shell is not yet aware of multibyte characters, so for example the
length of a scalar parameter will return the number of bytes, not
characters, and pattern tests likewise treat single bytes as if they were
characters. This means that pattern tests such as ? and [[:alpha:]] do not
work correctly with characters in multibyte character sets beyond the ASCII
subset.
Memory Routines
---------------

31
NEWS
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@ -2,8 +2,35 @@
CHANGES FROM PREVIOUS VERSIONS OF ZSH
-------------------------------------
Changes since zsh version 4.2.0
-------------------------------
Major changes between versions 4.2 and 4.3
------------------------------------------
- There is support for multibyte character sets in the line editor,
though not the main shell. See Multibyte Character Support in INSTALL.
- New option PROMPT_SP, on by default, to work around the problem that the
line editor can overwrite output with no newline at the end.
- New option HIST_SAVE_BY_COPY (on by default): history is saved by
copying and renaming instead of directly overwriting.
- New redirection syntax e.g. {myfd}>file opens a new file descriptor
and stores the number in $myfd, so that >&$myfd will work. Chosen
not to break existing code.
- New Posix-style zsh-specific tests [[:IDENT:]], [[:IFS:]],
[[:IFSSPACE:]], [[:WORD:]] test if character can appear in identifier,
is an IFS character, is an IFS whitespace character, or is considered
as part of a word (is alphanumeric or appears in $WORDCHARS). Note
the pattern code doesn't yet handle multibyte characters.
- The idiom =(<<<...) is optimised so that the shell internally turns
the ... into the contents of a file whose name is then substituted.
- As always, many enhancements to completion functions.
Changes in 4.2 since version 4.2.0
----------------------------------
- The autoload and related builtins take options -k and -z to indicate
ksh or zsh autoloading style for given functions, making it possible

2
README
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@ -5,7 +5,7 @@ THE Z SHELL (ZSH)
Version
-------
This is a version under development subsequent to zsh 4.2.3.
This is development code before the release of version 4.3.1.
Installing Zsh
--------------