zsh @4.2.7_1 request to update port

[nonstop.server@…]

Request to update port zsh @4.2.7 revision 1 to the latest version of zsh.
Changes since version 4.2.7 are:

2011-05-31 : Release 4.3.12
Improved error handling in POSIX emulation, ${NAME:OFFSET:LENGTH} syntax supports negative LENGTHs,
new parameter expansion flag (g:opts:) which escapes sequences like the echo and print builtins,
the region_highlight array is now updated dynamically as the command line is edited and the
zsh/parameter module has a new array $usergroups which contains the names of system groups.

2010-12-20 : Release 4.3.11
Improved parameter expansion (${NAME:OFFSET} and ${NAME:OFFSET:LENGTH} for substrings and subarrays,
(D) abbreviated directories, (Z) enhanced (z), {3..9..2} step in brace expansion, (P) adds word
before each match), additional styles for zle_highlight ('suffix' for trailing /, 'special' for
invalid multibyte chars), new option HIST_LEX_WORDS to perform "correct" splitting of history
lines (not only on whitespace), multiple new POSIX_ options to improve POSIX compliance and
an improved SUN_KEYBOARD_HACK which is now called KEYBOARD_HACK.

2009-06-01 : Release 4.3.10
Bug fixes and some minor improvements.

2008-11-03 : Release 4.3.9
Improved multibyte support on MacOS, updated prompt system and better debug support.

2008-04-02 : Release 4.3.6
Contains mostly bug fixes, but there are some small improvements. No incompatibilities with previous
versions are known.

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• ​Source Code

[ecronin (Eric Cronin)]

From the download's README.txt:

zsh is the stable shell version. Currently this is on the 4.2 branch, which is now rather old.

zsh-dev is the development version of the shell. Currently this is on the 4.3 branch. Unless you are being ultra-careful, this is probably the one you want as it is likely soon to become the stable version.

You want the zsh-devel port, which is already at 4.3.12