The same macros are defined in the file "an-ext.tmac", that is
read when "TH" is executed.

  Some minor fix.

  Patch:
--- funzip.1	2012-06-24 02:15:09.000000000 +0000
+++ funzip.1.new	2012-06-24 02:41:17.000000000 +0000
@@ -7,8 +7,10 @@
 .\"
 .\" funzip.1 by Greg Roelofs and others.
 .\"
+.TH FUNZIP 1 "20 April 2009 (v3.95)" "Info-ZIP"
 .\" =========================================================================
 .\" define .EX/.EE (for multiline user-command examples; normal Courier font)
+.\" must be after the "TH" macro, as the same are also defined in "an-ext.tmac"
 .de EX
 .in +4n
 .nf
@@ -20,7 +22,6 @@
 .in -4n
 ..
 .\" =========================================================================
-.TH FUNZIP 1 "20 April 2009 (v3.95)" "Info-ZIP"
 .SH NAME
 funzip \- filter for extracting from a ZIP archive in a pipe
 .PD
@@ -32,7 +33,7 @@
 Optional password to be used if ZIP archive is encrypted.  Decryption
 may not be supported at some sites.  See DESCRIPTION for more details.
 .IP [\fIinput[.zip|.gz]\fP]
-Optional input archive file specification. See DESCRIPTION for details.
+Optional input archive file specification.  See DESCRIPTION for details.
 .PD
 .\" =========================================================================
 .SH DESCRIPTION