Fixes#1734
Tab characters that introduce completion descriptions weren't properly
being handled with bash v3. This change fixes that.
Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
PR #889 introduced a regression where the global variable $c is no
longer set when *custom_func is called. This is because $c is re-used
by mistake in the read loop.
This PR simply changes the name of the variable used in the loop.
Signed-off-by: Marc Khouzam <marc.khouzam@gmail.com>
