theme settings issues with i18n multilingual variables

Hi all,

doing the following causes theme issues with i18n multilingual variables.

(1) clean install drupal 6.13
(2) Add multilingual variables to your setting files: add the first code block on http://drupal.org/node/313272
(3) Install, enable i18n 6.x-1.1 (*or* HEAD from Sept 4, 2009)
(4) Go to admin/build/menu-customize/primary-links
(5) If your warnings are enabled you will see "warning: array_merge() [function.array-merge]: Argument #2 is not an array in /your/site/path/includes/theme.inc on line 930."
(6) Remove the theme variables as ('theme_settings',
'theme_garland_settings',) discussed in http://drupal.org/node/538954
(7) Refresh the page admin/build/menu-customize/primary-links and the error goes away.
(8) Add item to primary menu: path name Home.
(9) **unexpected behavior** Notice that the primary links menu *does not appear* on the theme, even though the primary links box is checked in admin/build/themes/settings/garland
(10) disable the i18n module, and the prim links appear
(11) uninstall the i18n module
(12) reenable item
(13) **unexpected behavior** Again, the primary links menu *does not appear*
(14) put back the variables removed in step (6): ('theme_settings',
'theme_garland_settings',)
(15) go to admin/build/themes/settings/garland
(16) **unexpected behavior** notice that all settings are now set to false.
(17) enable admin/build/themes/settings/garland
(18) **unexpected behavior (tested with HEAD Sept. 4, 2009)** you will get the error warning: array_merge() [function.array-merge]: Argument #2 is not an array in path/to/drupal/garland-prim-link/includes/theme.inc on line 930.
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I am stumped. Cheers,

Albert.