And the text viewer quits when the problem occurs by callback functions. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27172 a1c6a512-1295-4272-9138-f99709370657
new text viewer plugin: text_viewer.rock. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26571 a1c6a512-1295-4272-9138-f99709370657