[name]
Lists not parsed as numbers

[input]
=over 4

=item 1. Not a number

=item 2. Spaced right

=back

=over 2

=item 1 Not a number

=item 2 Spaced right

=back

[output]
.TP 4
1. Not a number
.IX Item "1. Not a number"
.PD 0
.TP 4
2. Spaced right
.IX Item "2. Spaced right"
.PD
.TP 2
1 Not a number
.IX Item "1 Not a number"
.PD 0
.TP 2
2 Spaced right
.IX Item "2 Spaced right"
.PD