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