README: Adjust indent of &${..$..} expansion

[subdirmk.git] / README

diff --git a/README b/README
index 2f1a1ce4ae4f1ba66813fac327f36db73a9a6112..4493a0da2f146b5bf9121f09aa780ee9b3ee5cfa 100644 (file)
--- a/README
+++ b/README
@@ -174,10 +174,11 @@ So pathname syntax is a subset of:
        by the final warning state after processing all the toplevel
        input files (including Final.sd.mk).
 
-&:local+global [&]VARIABLE ...
-       Suppresses the warning about seeing both VARIABLE and
-       &VARIABLE.  Any & specified in the RHS is redundant: this
-       always affects both versions identically.
+&:local+global [!][&]VARIABLE ...
+       Suppresses any warnings relating to forthcoming mentions
+       to VARIABLE or &VARIABLE, as applicable.  Scope ends at
+       the end of the current directory's Suffix.sd.mk.
+       Prefixing with ! removes [&]VARIABLE from the suppresion list.
 
 &:changequote NEWQUOTE
        changes the escape sequence from & to literally NEWQUOTE
@@ -218,7 +219,7 @@ STUFF $ THINGS      ..      STUFF $$ THINGS
 &:endm         ..      endef
        NAME is processed for &
 
-&${..$..} =>   ${eval ${call ..$$..}}
+&${..$..}      =>      ${eval ${call ..$$..}}
        (matches { } pairs to find the end)
        content is $-doubled (unless it contains &$- to turn that off)