Questions related to localisation and languages

Title Filter     Display # 5101520253050100All # Article Title 1 I installed my own language, but the Back-end is still in English 2 Does the PDF icon render pictures and special characters? 3 What is the purpose of the collation selection in the installation screen? 4 What languages are supported by Joomla! 1.5? 5 How do I localise Joomla! to my language?