X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?p=subdirmk.git;a=blobdiff_plain;f=README;h=6bc8e82d8611f4a31525e9c0f22590446d170a1a;hp=4da40911ce83909e880874de657b6d4db797992b;hb=f99c7def1e8afb27b0df6c605ff6847f676d6bfe;hpb=703f1daa1f296a5fad36d96db2de631cd7a4d50e;ds=sidebyside

diff --git a/README b/README
index 4da4091..6bc8e82 100644
--- a/README
+++ b/README
@@ -251,6 +251,9 @@ So pathname syntax is a subset of:
 &\&		=>	&		general escaping mechanism
 &\$		=>	$
 
+&$VARIABLE	=>	$(sub_dir_VARIABLE)	or $(TOP_VARIABLE)
+	VARIABLE is ASCII starting with a letter and matching \w+
+
 & thing thing... &
 &^ thing thing... &
 &~ thing thing... &