Bug#1071649: mflua.1: some remarks and editorial changes for this man page

[Bjarni Ingi Gislason]

mflua --help | groff -man -ww -b -z

troff: backtrace: file '<standard input>':2
troff:<standard input>:2: error: no font family named 'I' exists

'\FIRST' does not make sense.

  and neither does

&BASE