-print("Comment lines for default.action:\n\n$comment_lines\n\nBlock of filter actions for"
- ." standard.action:\n\n$action_lines\n\nSGML Source for AF chapter in U-M:" .
- "\n\n$sgml_source_1\n\nSGML Source for AF Tutorial chapter in U-M\n\n$sgml_source_2\n");
+print <<DOCMARKUP;
+
+Comment lines for default.action:
+
+$comment_lines
+
+Block of filter actions for standard.action:
+
+$action_lines
+
+SGML Source for AF chapter in U-M:
+
+$sgml_source_1
+
+SGML Source for AF Tutorial chapter in U-M
+
+$sgml_source_2
+DOCMARKUP