From dc253cd388bc53218c01fc2f88fbebf984a61790 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Wed, 18 Oct 2023 12:33:10 -0400
Subject: [PATCH] doc: minor README improvements

---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.md b/README.md
index 68fbdce3..34b77909 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,8 @@ $ make install
 ```
 (also see .github/workflows/main.yml)
 
+## Development
+
 ### build for unit test coverage
 ```
 $ cd xo-pyprintjson
@@ -44,3 +46,14 @@ while Cmake creates them in the root of its build directory.
 $ cd xo-pyprintjson
 $ ln -s build/compile_commands.json  # supply compile commands to LSP
 ```
+
+### display cmake variables
+
+- `-L` list variables
+- `-A` include 'advanced' variables
+- `-H` include help text
+
+```
+$ cd xo-pyprintjson/build
+$ cmake -LAH
+```