glob.7: ffix

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man7/glob.7

@@ -105,10 +105,11 @@ into the list of matching pathnames" was the original UNIX
 definition.
 It allowed one to have patterns that expand into
 an empty list, as in
-.br
+
 .nf
     xv \-wait 0 *.gif *.jpg
 .fi
+
 where perhaps no *.gif files are present (and this is not
 an error).
 However, POSIX requires that a wildcard pattern is left
@@ -123,15 +124,17 @@ one can force the classical behavior using this command:
 
 (Similar problems occur elsewhere.
 E.g., where old scripts have
-.br
+
 .nf
     rm \`find . \-name "*~"\`
 .fi
+
 new scripts require
-.br
+
 .nf
     rm \-f nosuchfile \`find . \-name "*~"\`
 .fi
+
 to avoid error messages from
 .I rm
 called with an empty argument list.)