GL_Irfaq
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Adds multilanguage support to irfaq.

FAQ item multilanguage support was implemented by extending tx_irfaq_q table and adding sys_language_uid field plus i18n_parent and

FAQ category multilanguage support was implemented on the same way like tt_news, that means, field title_lang_ol was added to table tt_news_cat. On creating a new category you may see a new field, named title_lang_ol. This new field should contain all translations of field title separated by character '|'. You should add a new text field for each language supported on your site.