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

1 files changed, 15 insertions, 0 deletions

diff --git a/regcomp.pl b/regcomp.pl
index 239787ae55..d4e9402d92 100644
--- a/regcomp.pl
+++ b/regcomp.pl
@@ -1,3 +1,18 @@
+#!/usr/bin/perl
+# 
+# Regenerate (overwriting only if changed):
+#
+#    regnodes.h
+#
+# from information stored in
+#
+#    regcomp.sym
+#    regexp.h
+#
+# Accepts the standard regen_lib -q and -v args.
+#
+# This script is normally invoked from regen.pl.
+
 BEGIN {
     # Get function prototypes
     require 'regen_lib.pl';