Interestingly, my chrome.manifest files seems to be already right, i.e. they contains "es-ES" and not "es_ES":
$ cat /<email address hidden>/chrome.manifest
locale global-region es-ES jar:chrome/es-ES.jar!/locale/es-ES/global-region/
locale global-platform es-ES jar:chrome/es-ES.jar!/locale/es-ES/global-platform/
locale pippki es-ES jar:chrome/es-ES.jar!/locale/es-ES/pippki/
locale pipnss es-ES jar:chrome/es-ES.jar!/locale/es-ES/pipnss/
locale alerts es-ES jar:chrome/es-ES.jar!/locale/es-ES/alerts/
locale autoconfig es-ES jar:chrome/es-ES.jar!/locale/es-ES/autoconfig/
locale cookie es-ES jar:chrome/es-ES.jar!/locale/es-ES/cookie/
locale passwordmgr es-ES jar:chrome/es-ES.jar!/locale/es-ES/passwordmgr/
locale places es-ES jar:chrome/es-ES.jar!/locale/es-ES/places/
locale global-region es-ES jar:chrome/es-ES.jar!/locale/es-ES/global-region/
locale global es-ES jar:chrome/es-ES.jar!/locale/es-ES/global/
locale global-platform es-ES jar:chrome/es-ES.jar!/locale/es-ES/global-platform/
locale browser-region es-ES jar:chrome/es-ES.jar!/locale/browser-region/
locale browser es-ES jar:chrome/es-ES.jar!/locale/browser/
locale browser-region es-ES jar:chrome/es-ES.jar!/locale/browser-region/
locale mozapps es-ES jar:chrome/es-ES.jar!/locale/es-ES/mozapps/
locale necko es-ES jar:chrome/es-ES.jar!/locale/es-ES/necko/
locale global-region es jar:chrome/es-ES.jar!/locale/es-ES/global-region/
locale global-platform es jar:chrome/es-ES.jar!/locale/es-ES/global-platform/
locale pippki es jar:chrome/es-ES.jar!/locale/es-ES/pippki/
locale pipnss es jar:chrome/es-ES.jar!/locale/es-ES/pipnss/
locale alerts es jar:chrome/es-ES.jar!/locale/es-ES/alerts/
locale autoconfig es jar:chrome/es-ES.jar!/locale/es-ES/autoconfig/
locale cookie es jar:chrome/es-ES.jar!/locale/es-ES/cookie/
locale passwordmgr es jar:chrome/es-ES.jar!/locale/es-ES/passwordmgr/
locale places es jar:chrome/es-ES.jar!/locale/es-ES/places/
locale global-region es jar:chrome/es-ES.jar!/locale/es-ES/global-region/
locale global es jar:chrome/es-ES.jar!/locale/es-ES/global/
locale global-platform es jar:chrome/es-ES.jar!/locale/es-ES/global-platform/
locale browser-region es jar:chrome/es-ES.jar!/locale/browser-region/
locale browser es jar:chrome/es-ES.jar!/locale/browser/
locale browser-region es jar:chrome/es-ES.jar!/locale/browser-region/
locale mozapps es jar:chrome/es-ES.jar!/locale/es-ES/mozapps/
locale necko es jar:chrome/es-ES.jar!/locale/es-ES/necko/
So maybe my issue is not the same as yours and language-pack-es is not affected by this bug. Actually, my issue is about having "[chrome://global/locale/intl.properties]" instead of right language names "es-es", "es", "en-us", "en". Arne, what do you think?
Interestingly, my chrome.manifest files seems to be already right, i.e. they contains "es-ES" and not "es_ES":
$ cat /<email address hidden> /chrome. manifest es-ES.jar! /locale/ es-ES/global- region/ es-ES.jar! /locale/ es-ES/global- platform/ es-ES.jar! /locale/ es-ES/pippki/ es-ES.jar! /locale/ es-ES/pipnss/ es-ES.jar! /locale/ es-ES/alerts/ es-ES.jar! /locale/ es-ES/autoconfi g/ es-ES.jar! /locale/ es-ES/cookie/ es-ES.jar! /locale/ es-ES/passwordm gr/ es-ES.jar! /locale/ es-ES/places/ es-ES.jar! /locale/ es-ES/global- region/ es-ES.jar! /locale/ es-ES/global/ es-ES.jar! /locale/ es-ES/global- platform/ es-ES.jar! /locale/ browser- region/ es-ES.jar! /locale/ browser/ es-ES.jar! /locale/ browser- region/ es-ES.jar! /locale/ es-ES/mozapps/ es-ES.jar! /locale/ es-ES/necko/ es-ES.jar! /locale/ es-ES/global- region/ es-ES.jar! /locale/ es-ES/global- platform/ es-ES.jar! /locale/ es-ES/pippki/ es-ES.jar! /locale/ es-ES/pipnss/ es-ES.jar! /locale/ es-ES/alerts/ es-ES.jar! /locale/ es-ES/autoconfi g/ es-ES.jar! /locale/ es-ES/cookie/ es-ES.jar! /locale/ es-ES/passwordm gr/ es-ES.jar! /locale/ es-ES/places/ es-ES.jar! /locale/ es-ES/global- region/ es-ES.jar! /locale/ es-ES/global/ es-ES.jar! /locale/ es-ES/global- platform/ es-ES.jar! /locale/ browser- region/ es-ES.jar! /locale/ browser/ es-ES.jar! /locale/ browser- region/ es-ES.jar! /locale/ es-ES/mozapps/ es-ES.jar! /locale/ es-ES/necko/
locale global-region es-ES jar:chrome/
locale global-platform es-ES jar:chrome/
locale pippki es-ES jar:chrome/
locale pipnss es-ES jar:chrome/
locale alerts es-ES jar:chrome/
locale autoconfig es-ES jar:chrome/
locale cookie es-ES jar:chrome/
locale passwordmgr es-ES jar:chrome/
locale places es-ES jar:chrome/
locale global-region es-ES jar:chrome/
locale global es-ES jar:chrome/
locale global-platform es-ES jar:chrome/
locale browser-region es-ES jar:chrome/
locale browser es-ES jar:chrome/
locale browser-region es-ES jar:chrome/
locale mozapps es-ES jar:chrome/
locale necko es-ES jar:chrome/
locale global-region es jar:chrome/
locale global-platform es jar:chrome/
locale pippki es jar:chrome/
locale pipnss es jar:chrome/
locale alerts es jar:chrome/
locale autoconfig es jar:chrome/
locale cookie es jar:chrome/
locale passwordmgr es jar:chrome/
locale places es jar:chrome/
locale global-region es jar:chrome/
locale global es jar:chrome/
locale global-platform es jar:chrome/
locale browser-region es jar:chrome/
locale browser es jar:chrome/
locale browser-region es jar:chrome/
locale mozapps es jar:chrome/
locale necko es jar:chrome/
So maybe my issue is not the same as yours and language-pack-es is not affected by this bug. Actually, my issue is about having "[chrome: //global/ locale/ intl.properties ]" instead of right language names "es-es", "es", "en-us", "en". Arne, what do you think?