Make sure that download buttons are only available when export is allowed by author.
Make sure that download buttons are only available when export is allowed
by author.

torinfo/xerteonlinetoolkits,thexerteproject/xerteonlinetoolkits,thexerteproject/xerteonlinetoolkits,thexerteproject/xerteonlinetoolkits,thexerteproject/xerteonlinetoolkits,thexerteproject/xerteonlinetoolkits,torinfo/xerteonlinetoolkits,torinfo/xerteonlinetoolkits,torinfo/xerteonlinetoolkits,torinfo/xerteonlinetoolkits