Add a note about limitations of browsers

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Kovid Goyal 2020-12-11 08:07:05 +05:30
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@ -141,6 +141,13 @@ the selection bar in the viewer preferences under :guilabel:`Selection
behavior`.
.. note:: Support for text-to-speech in browsers is very incomplete and
bug-ridden so how well :guilabel:`Read aloud` will work in the in-browser
viewer is dependent on how well the underlying browser supports
text-to-speech. In particular, highlighting of current word does not work,
and changing speed or voice will cause reading to start again from the
beginning.
.. note:: On Linux, :guilabel:`Read aloud` requires `Speech Dispatcher
<https://freebsoft.org/speechd>`_ to be installed and working.