Christian Tellechea submitted an updaet to the
xstring
package.
Summary description: String (token list) manipulation License type: lppl
Announcement text: ----------------------------------------------------------------------
xstring update v1.7a 2013/2/28 ==============
Bugfix: suprious space in @xs@removefirstsyntaxunit
----------------------------------------------------------------------
This package is located at http://mirror.ctan.org/macros/generic/xstring . More information is at http://www.ctan.org/pkg/xstring (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .
------------------------------------------------------------------------
Thanks for the upload.
For the CTAN Team Rainer Schöpf