generate: Fix &${ } end condition

[subdirmk.git] / README

diff --git a/README b/README
index c4f9d0ea484881aba7058c604482957b948e727a..e5e937fc7b1927561953a1992dd32d3285da87cc 100644 (file)
--- a/README
+++ b/README
@@ -235,32 +235,17 @@ So pathname syntax is a subset of:
 
 &:include filename             filename should usually be [&]foo.sd.mk
 &:-include filename            tolerate nonexistent file
-       filenames are relative to $(top_srcdir)
-       RHS is &-expanded
+       RHS is &-expanded but filenames are relative to the top
+       srcdir.  This implies that unqualified names are like &~/
+       whereas &/ is like &^/.  &^ and &~ do not work here because
+       they expand to constructions involving literally
+       `$(top_srcdir)', but the RHS is not make-expanded.
 
 &!<lwsp>       disables & until EOL (and then disappears)
 
 &#     delete everything to end of line
        (useful if the RHS contains unrecognised & constructions)
 
-&:changequote NEWQUOTE
-       changes the escape sequence from & to literally NEWQUOTE
-       NEWQUOTE may be any series of of non-whitespace characters,
-       and is terminated by EOL or lwsp.  The whole line is
-       discarded.
-
-       After this, write NEWQUOTE instead of &, everywhere.
-       The effect is unscoped and lasts until the next setting,
-       or until the end of the current directory's Suffix.sd.mk.
-       It takes effect on &:include'd files too, so maybe set
-       it back before using &:include.
-
-       Notably
-               NEWQUOTENEWQUOTE        => NEWQUOTENEWQUOTE
-               NEWQUOTE\NEWQUOTE       => NEWQUOTE
-               NEWQUOTE\$              => $
-               NEWQUOTE:changequote &  set escape back to &
-
 &TARGETS_things
        Handled specially.  If mentioned at the start of a line
        (possibly following whitespace), declares that this
@@ -284,6 +269,24 @@ So pathname syntax is a subset of:
        `all' is extra special: every directory has an `all'
        target, which corresponds to &TARGETS.
 
+&:changequote NEWQUOTE
+       changes the escape sequence from & to literally NEWQUOTE
+       NEWQUOTE may be any series of of non-whitespace characters,
+       and is terminated by EOL or lwsp.  The whole line is
+       discarded.
+
+       After this, write NEWQUOTE instead of &, everywhere.
+       The effect is unscoped and lasts until the next setting,
+       or until the end of the current directory's Suffix.sd.mk.
+       It takes effect on &:include'd files too, so maybe set
+       it back before using &:include.
+
+       Notably
+               NEWQUOTENEWQUOTE        => NEWQUOTENEWQUOTE
+               NEWQUOTE\NEWQUOTE       => NEWQUOTE
+               NEWQUOTE\$              => $
+               NEWQUOTE:changequote &  set escape back to &
+
 
 Dollar doubling and macro assistance
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