X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?p=subdirmk.git;a=blobdiff_plain;f=NOTES;h=5d57e99ecb2dcab936010d4734727b16e431dc67;hp=e5cdd0a28d8ca071d25e78382e9ff5fa4d64e184;hb=e396ca12f4d9e2620f3ba8d1f4252f0cce08ff55;hpb=d0e8af365b964715b605cd4c81ca179c9208d9f9

diff --git a/NOTES b/NOTES
index e5cdd0a..5d57e99 100644
--- a/NOTES
+++ b/NOTES
@@ -8,20 +8,23 @@
 &^		=>	$(top_srcdir)/subdir		or $(top_srcdir)
 &~		=>	$(abs_top_srcdir)/subdir	or $(abs_top_srcdir)
 
-&&			=>	&
+&&		=>	&&
+\&		=>	&
 
 & thing thing... &	=>	each thing prefixed by &/ &^ &~ resp
 & ^ thing thing... &		each thing is any non-ws
 & ~ thing thing... &		& may be omitted before EOL or before \EOL
+				other &'s not recognised
 
 CAPS is [A-Z][0-9_A-Z]*(?!\w)
 lc is [a-z][-+,0-9_a-z]*(?!\w)
 
-&! spc		disables & *until* EOL
+&!<spaces or tabs>	disables & *until* EOL (and disappears)
 
 &!STUFF		STUFF is recognised instead of & (beyond EOL)
-		STUFF is either all punct or all alphanum (incl _)
+		STUFF is either all ASCII punct or all ASCII alphanum (incl _)
 		any lwsp after STUFF is discarded too
+
 eg notably
  STUFF!&		now & is recognised instead (ie back to normal)
  STUFFSTUFF	STUFF