Add some documentation to the heads of the various *.pl build scripts

1 files changed, 15 insertions, 0 deletions

diff --git a/opcode.pl b/opcode.pl
index 16568931d5..2cc242fe31 100755
--- a/opcode.pl
+++ b/opcode.pl
@@ -1,4 +1,19 @@
 #!/usr/bin/perl -w
+# 
+# Regenerate (overwriting only if changed):
+#
+#    opcode.h
+#    opnames.h
+#    pp_proto.h
+#    pp.sym
+#
+# from information stored in the DATA section of this file, plus the
+# values hardcoded into this script in @raw_alias.
+#
+# Accepts the standard regen_lib -q and -v args.
+#
+# This script is normally invoked from regen.pl.
+
 use strict;
 
 BEGIN {