Big comment with syntax diagram thingy.

diff --git a/gpt b/gpt
index 129ead4db67b7928bc1989705c1d81f26dfba7ab..ce93196499dfb99039e317ab4be9bc96d0bc4087 100755 (executable)
--- a/gpt
+++ b/gpt
@@ -1,5 +1,37 @@
 #!/usr/bin/perl
 
+#
+#                          =====deeper=nesting===>>
+#
+#                     end of Perl fragment
+#                      \n@@ \_@@  ;@@ )@@ }@@  \w@@
+#                   <------------------------------------
+#
+#                   ------------------------------------>
+#                      if    eval    eval+     eval+
+#                       @@?   @@\_   ignore    include
+#                             @@$     @@-      file
+#    ___                      @@\n              @@<
+#  ,'   `
+#  |      processing                                       processing
+#  `--->  as TEXT                                          as PERL
+#  endif
+#   @@;     vA      <------------------------------------
+#           ||         then
+#   comment ||          ?@@
+#       @@# ||
+#           ||       included text fragment as
+#      else ||         string value    code to write out
+#       @@: ||          (@@             {@@
+#           ||      <------------------------------------
+#           `'
+#                   ------------------------------------>
+#                     end of included text fragment
+#                       @@)  @@}
+#
+#                          <<====deeper=nesting====
+#
+
 package GenericPrepTemplate;
 
 #BEGIN {