README: Further miscellaneous fixes and clarifications

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

diff --git a/README b/README
index dc22589750237d84c4e475f7f20f0d9cd4c40d2a..f2a129471978d43fe8a770777d8a0145c38ade36 100644 (file)
--- a/README
+++ b/README
@@ -216,7 +216,7 @@ STUFF $ THINGS      ..      STUFF $$ THINGS
 
 &${..$..} =>   ${eval ${call ..$$..}}
        (matches { } pairs to find the end)
 
 &${..$..} =>   ${eval ${call ..$$..}}
        (matches { } pairs to find the end)

-       content is $-doubled (unless it contains $- to turn that off)
+       content is $-doubled (unless it contains &$- to turn that off)

 
        Together &:macro and &${...} provide a more reasonable macro
        facility than raw make.  They solve the problem that make
 
        Together &:macro and &${...} provide a more reasonable macro
        facility than raw make.  They solve the problem that make


@@ -300,7 +300,9 @@ includes.  So if you want to get in early and set global variables,
 put them near the top of Dir.sd.mk.
 
 The file Final.sd.mk in the toplevel directory is processed and
 put them near the top of Dir.sd.mk.
 
 The file Final.sd.mk in the toplevel directory is processed and

-included after all the other files.
+the result included after all the other files.  Its subdirmk
+filtering context inherits warning suppressions from the toplevel's
+Dir.sd.mk etc., but not anything else.

 
 subdirmk's filter script itself sets (only) these variables:
   top_srcdir
 
 subdirmk's filter script itself sets (only) these variables:
   top_srcdir