Accumulated patches to 3.0.5

["Bart Schaefer" <schaefer@xxxxxxxxxxxxxxxx>]

This isn't every patch that's been distributed since 3.0.5 came out, but
all the ones I've considered important or useful enough to apply can be
found in:

	ftp://ftp.brasslantern.com/pub/zsh/patch-3.0.5-extended

This includes:

* End build properly when unable to generate rlimits.h

* Add preexec special function

* Add PRINT_EIGHT_BIT option

* Add HIST_REDUCE_BLANKS option

* Fix (:s/foo/bar) glob qualifier

* Make $(fc) work

* Fix garbling of tty settings by completion functions

* Fix "unset CDPATH" et. al. crash when emulating sh/ksh

* Fix RC_EXPAND_PARAM bug

* Fix CHASE_LINKS bug

* Fix premature exit from bindkey

* Simplify expand-or-complete-prefix (and fix "remove slash bug"?)

* Fix ZLE placement of mark when inserting text

* Update Util/helpfiles

* Fix Functions/checkmail for empty files

* Change ZSH_VERSION to 3.0.5-extended

-- 
Bart Schaefer                                 Brass Lantern Enterprises
http://www.well.com/user/barts              http://www.brasslantern.com