From 0aa1041f5e33c918b52c5cf169fdeb23f93c584b Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Sun, 15 Sep 2019 20:35:19 -0400
Subject: [PATCH] GNUmakefile: add some documentation for the INDICES variable.

---
 GNUmakefile | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/GNUmakefile b/GNUmakefile
index 49cca6a..1f65dd9 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -36,6 +36,12 @@ MJOTEX += mjo-theorem-star.tex mjo-topology.tex mjo.bst
 SAGE_LISTING_SRCS = $(wildcard sage_listings/*.listing)
 SAGE_LISTING_DSTS = $(patsubst %.listing,%.py,$(SAGE_LISTING_SRCS))
 
+# A space-separated list of indices (just their names). Usually you'll
+# have just one, and it will be named the same thing as your document,
+# because that's what the makeidx package does.
+#
+# Leave commented if you don't use an index.
+#
 INDICES = $(PN)
 
 # Use kpsewhich (from the kpathsea suite) to find the absolute paths
-- 
2.43.2