Lines between "EX" and "EE" do not get intended with the
redefined macros (in file "an-ext.tmac").

  Patch:
--- zipinfo.1	2012-06-22 02:32:41.000000000 +0000
+++ zipinfo.1.new	2012-06-22 23:00:55.000000000 +0000
@@ -22,7 +22,10 @@
 .ft
 .fi
 ..
+.\" =========================================================================
+.TH ZIPINFO 1 "20 April 2009 (v3.0)" "Info-ZIP"
 .\" define .EX/.EE (for multiline user-command examples; normal Courier font)
+.\" must be after ".TH" as a groff macro file defines the same macros
 .de EX
 .in +4n
 .nf
@@ -33,8 +36,6 @@
 .fi
 .in -4n
 ..
-.\" =========================================================================
-.TH ZIPINFO 1 "20 April 2009 (v3.0)" "Info-ZIP"
 .SH NAME
 zipinfo \- list detailed information about a ZIP archive
 .PD