generate-plag: add an autogeneration comment

diff --git a/generate-plag b/generate-plag
index 28b4437993e07feceaa23b43d0c667e011825b2d..7e95c8272f65b41073bc1028dffe09489d6d97e0 100755 (executable)
--- a/generate-plag
+++ b/generate-plag
@@ -45,6 +45,7 @@ BEGIN { unshift @INC, qw(.); }
 use Parse;
 
 sub output_planar_graph () {
+  o("# autogenerated by generate-plag.  do not edit\n");
   foreach my $ra (sort keys %region) {
     o(plag_prs($ra), "\n");
     if ($ra eq $c{Sea} || $ra =~ m/^L2?$/) { o(" :outer\n"); }