README: Add subheading `Directives'

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/README b/README
index e5a415f8196c8088ee74d9c312e5ae6e0defad62..70708cd18803076c94ef41e82906c331009f661a 100644 (file)
--- a/README
+++ b/README
@@ -166,6 +166,9 @@ So pathname syntax is a subset of:
        `all' is extra special: every directory has an `all'
        target, which corresponds to &TARGETS.
 
+Directives
+- - - - -
+
 &:warn [!]WARNTAG ...
        Suppress (with !) or re-enable (without !) warnings tagged
        WARNTAG (see section `Warnings', below).  The suppression list