From a9aeb1d067a05434e80f85edb74685737e6c99ea Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Sat, 7 Sep 2019 08:15:05 -0400
Subject: [PATCH] GNUmakefile: add a comment showing how to define $(PN)
 cleverly.

---
 GNUmakefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/GNUmakefile b/GNUmakefile
index fba3b37..26bb59f 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -6,6 +6,11 @@
 LATEX = pdflatex -file-line-error -halt-on-error
 
 # The name of this document.
+#
+# For example, to use the name of our parent directory:
+#
+# PN = $(notdir $(realpath .))
+#
 PN = examples
 
 # A space-separated list of bib files. These must all belong to paths
-- 
2.44.2