make this work under mdocml without changing groff behavior
-.\" $File: magic.man,v 1.61 2010/06/02 17:10:59 christos Exp $
+.\" $File: magic.man,v 1.62 2010/09/20 20:15:36 rrt Exp $
.Dd August 30, 2008
.Dt MAGIC __FSECTION__
.Os
If the first character following the last
.Em \*[Gt]
is a
-.Em (
+.Em \&(
then the string after the parenthesis is interpreted as an indirect offset.
That means that the number after the parenthesis is used as an offset in
the file.