[SUBDIRMK RFC 5/7] README: v2: Provide &$VARIABLE

[Ian Jackson]

Signed-off-by: Ian Jackson <ijackson at chiark.greenend.org.uk>
---
 README | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README b/README
index aa0424e..e87cb80 100644
--- a/README
+++ b/README
@@ -244,6 +244,9 @@ So pathname syntax is a subset of:
 &@		=>	&		general escaping mechanism
 &&@		=>	&&		 @ after any number of & vanishes
 
+&$VARIABLE	$(sub/dir/VARIABLE)
+	VARIABLE is ASCII starting with a letter and matching \w+
+
 & thing thing... &
 &^ thing thing... &
 &~ thing thing... &
-- 
2.11.0