update xkeyval and extract packages

CTAN Announcements ctan-ann at dante.de
Mon Jan 3 14:25:43 CET 2005

On Sat, 1 Jan 2005, Hendri Adriaens uploaded updates to his packages

 xkeyval and extract

xkeyval is an extension of the the keyval package and offers additional 
macros for setting keys and declaring and setting class or package 
options.  The package allows the programmer to specify a prefix to the 
name of the macros it defines for keys, and to define families of key 
definitions; these all help use in documents where several packages define 
their own sets of keys.

Location on CTAN: macros/latex/contrib/xkeyval
License: lppl
 1) Simplified some code for speed.
 2) Updated the license info.
 3) restructured package, changed a name of an internal file
 4) pointer replacement macros have been updated in order to
    avoid capacity problems when pointers are nested deeply.


The package extract provides the means to extract specific content from a 
source document and write that to a target document. One could, for 
instance, use this to extract all exercises from lecture notes and 
generate an exercises book on the fly.

Location on CTAN: macros/latex/contrib/extract
License: lppl

 1) Added conditional extraction with labels
 2) Revised documentation
 3) Added examples.
 4) Updated the license info.


Thanks for the updates.

For the CTAN Team
  Rainer Schöpf

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