[BLFS Trac] #2360: Zsh 4.3.4

BLFS Trac trac at linuxfromscratch.org
Sat Dec 22 12:44:10 PST 2007

#2360: Zsh 4.3.4
 Reporter:  Ag.Hatzim  |        Owner:  Ag.Hatzim
     Type:  task       |       Status:  assigned 
 Priority:  normal     |    Milestone:  6.3      
Component:  BOOK       |      Version:  SVN      
 Severity:  normal     |   Resolution:           
 Keywords:  zsh        |  
Comment (by Ag.Hatzim):

 Replying to [comment:6 Ag.Hatzim]:
 > There is also a series of dev-releases in all the December.
 > Peter Stephenson promised for a release around Xmas. So forget the
 attached patch for now, as 4.3.5 it will be a major release with many bug
 fixes and many enhancements.

 At the end, there will be no new release before Christmas, in the meantime
 here is a dev release for anyone cares about the zsh development.


 Some of its features (long list).

 A new module zsh/curses provides the builtin zcurses for access
 to the curses screen manipulation package; see the entry in the
 manual.  Configuration of terminal libraries is now easier with the
 --with-term-lib option to configure.

 The module system has been extended to add "features" which can
 be manipulated with zmodload -F.  This allows a more convenient and
 powerful way of manipulating builtins, parameters, mathematical functions
 and test operators provided by modules.  For example,
   zmodload -aF zsh/datetime b:strftime p:EPOCHSECONDS
 specifies that builtin strftime and parameter EPOCHSECONDS are to be
 autoloaded from the module zsh/datetime, but that no other features
 from zsh/datetime will be enabled without being specifically mentioned.
 In addition, the zsh/stat module can now be loaded with
   zmodload -F zsh/stat b:zstat
 to make the builtin available under the name "zstat".  The alternative
 name "stat" is still available but commonly clashes with the name of an
 external binary.  The completion system has been modified to use only

 "zmodload -i" behaviour is now the default, so "zmodload <module>"
 no longer fails if <module> is already loaded.

 The globbing flag (#cN,M) is an extension of the extended globbing
 # and ## pattern operators, forcing the previous expression to match
 at least N and no more than M times, similar to {N,M} in regular

 In zsh native mode (NO_KSH_ARRAYS), retrieving array subscript zero
 the empty string or attempting to set subscript zero with arrays is now an
 error.  This was previously a source of difficult to find problems.
 The old behaviour can be obtained with the KSH_ZERO_SUBSCRIPT option
 for compatibility, however there is no reason to use this in new
 shell code and KSH_ARRAYS should be preferred for compatibility with
 other shells.

 Previously, splitting quoted parameters using "${(s.:.)param}" removed
 empty fields.  This is incompatible with the usual effect of quoting
 parameters.  This behaviour has been retained for compatibility,
 but using an explicit "@" flag as in "${(@s.:.)param}" forces
 empty fields to be retained.

 The sched module has a parameter zsh_scheduled_events that makes
 querying scheduled events from a function easier.

 The calendar function system can now use UIDs imported from other calendar
 systems to identify entries for replacing.  Handling of recurring events
 is more robust but still limited.

Ticket URL: <http://wiki.linuxfromscratch.org/blfs/ticket/2360#comment:7>
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