We believe that your issue has been closed by the upload of
Version 0.10.1 of grml-live from Michael Prokop <mika@grml.org>.
The explanation is attached below

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Hash: SHA1

Format: 1.8
Date: Tue, 03 Aug 2010 23:32:14 -0400
Source: grml-live
Binary: grml-live grml-live-addons grml-live-db grml-live-buildd
Architecture: source all
Version: 0.10.1
Distribution: unstable
Urgency: low
Maintainer: Michael Prokop <mika@grml.org>
Changed-By: Michael Prokop <mika@grml.org>
Description: 
 grml-live  - build system for creating a Grml (based) Linux live system
 grml-live-addons - templates/boot/addons for grml-live
 grml-live-buildd - autobuild daemon for grml-live
 grml-live-db - log package build information of grml-live to database
Changes: 
 grml-live (0.10.1) unstable; urgency=low
 .
   [ Ulrich Dangel ]
   * [916808e] Mention random hostname support in documentation.
 .
   [ Michael Prokop ]
   * [9f059fa] Bump version number in grml-live script.
     Thanks for reporting, Tong Sun. [Closes: issue888]
   * [4b61133] docs: mention that random hostname is supported only in
     recent versions.
Checksums-Sha1: 
 11c1fd1f476bfcd4087c3a6ced91172609e9d17d 951 grml-live_0.10.1.dsc
 d493718af52821d62f4cc064ee448f645013162f 8591351 grml-live_0.10.1.tar.gz
 f2d284eda9942b82f26ab180e38e0b66274a8503 1356308 grml-live_0.10.1_all.deb
 da4accb182498e0952c5abcfb397a18e9e2107a2 7278076 grml-live-addons_0.10.1_all.deb
 708799163559dd146a088c7a1647a756b1772d41 42206 grml-live-db_0.10.1_all.deb
 1d2e44d3e4a67092bf34bc20c81924f21a43a54d 38114 grml-live-buildd_0.10.1_all.deb
Checksums-Sha256: 
 c3a3ac59b06ac71c056744155ba2df07ce048f4acd7a50eeefbb0cacb400d156 951 grml-live_0.10.1.dsc
 c4e214f8196e828ab68047fa5e10bcff718b1eb8fc9edf9b5c880fdedcbf4d3a 8591351 grml-live_0.10.1.tar.gz
 e4ff00ee25ae5f513a162e5469ed027d47dea4c5d550eacaacf3493d503ad5f9 1356308 grml-live_0.10.1_all.deb
 0ed0c5d8dc5a90f3f646700de1afd580c5c197aa77d9a92867240b41641c4124 7278076 grml-live-addons_0.10.1_all.deb
 5c68123a1972e577f884f975b0d55bf8d3f3312aff9710e862d3f0db2ae3814c 42206 grml-live-db_0.10.1_all.deb
 08e2ac16617e4774fda53c6b13d0329da642a2a3a12a88ec4d39775901d1896c 38114 grml-live-buildd_0.10.1_all.deb
Files: 
 cbe4d206080c95651c623838e5ded71d 951 grml extra grml-live_0.10.1.dsc
 8d0de347de3eea9ad32de53aa31a06d0 8591351 grml extra grml-live_0.10.1.tar.gz
 dd9680b31ca6cceeed40f11544cc3293 1356308 grml extra grml-live_0.10.1_all.deb
 8929a7afd5cc69ea0adc40b064d77220 7278076 grml extra grml-live-addons_0.10.1_all.deb
 cebe03396c90075aba1ea32c0dbba50e 42206 grml extra grml-live-db_0.10.1_all.deb
 c35d0389175bdc91537ba4e098178c74 38114 grml extra grml-live-buildd_0.10.1_all.deb

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$ apt-cache policy grml-live
grml-live:
  Installed: 0.10.0
  Candidate: 0.10.0
  Version table:
 *** 0.10.0 0
        683 http://deb.grml.org grml-testing/main Packages
        100 /var/lib/dpkg/status

$ type grml-live
grml-live is hashed (/usr/sbin/grml-live)

% /usr/sbin/grml-live -V
grml-live [0.9.43]: check your configuration (or use -F to force execution):
^^^^^^^^^^^^^^^^^^^^