Add a description of extract-doc.pl script

diff --git a/build/extract-doc.pl b/build/extract-doc.pl
index 392dd4096c2e5f573548de9ba9fac6d3b88028fd..7eb28354f699ed9eb705a33934625dbae93fc6e3 100755 (executable)
--- a/build/extract-doc.pl
+++ b/build/extract-doc.pl
@@ -1,4 +1,7 @@
 #!/usr/bin/perl
 #!/usr/bin/perl

+# Script for extracting documentation out of header files
+# (c) 2008 Michal Vaner <vorner@ucw.cz>
+

 use strict;
 use warnings;
 
 use strict;
 use warnings;