mozilla-firefox-l10n-cy: mozilla-firefox-l10n-cy Welsh mozilla-firefox-l10n-cy: mozilla-firefox-l10n-cy: Welsh language pack for firefox. mozilla-firefox-l10n-cy: Use this package if you want to run mozilla firefox in mozilla-firefox-l10n-cy: Welsh. mozilla-firefox-l10n-cy: mozilla-firefox-l10n-cy: mozilla-firefox-l10n-cy: mozilla-firefox-l10n-cy: mozilla-firefox-l10n-cy: mozilla-firefox-l10n-cy: mozilla-firefox-l10n-cy: