Firefox builtin pdf viewer doesnt show all characters -
i open pdf file firefox, , doesnt show characters (foreign characters arent shown). when highlight text , copy paste somewhere, shows characters.
what causing , how can fix this?
edit: after doing more research , testing, think firefox bug. downloaded pdf file firefox > opened on chrome = shows. downloaded pdf viewer addon firefox , viewed pdf file = shows. removed addon = nothing shows again.
conclusion - firefox built in pdf viewer bug.
try check encoding,maibe in utf-8 instead of latin-1 exemple