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README: Document restriction on $-doubling and lack of -quadrupling
author
Ian Jackson
<ijackson@chiark.greenend.org.uk>
Thu, 26 Dec 2019 02:03:07 +0000
(
02:03
+0000)
committer
Ian Jackson
<ijackson@chiark.greenend.org.uk>
Mon, 30 Dec 2019 11:35:15 +0000
(11:35 +0000)
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
README
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diff --git
a/README
b/README
index 5fe395001769458961e4c4aefa11aa4bee1b7b05..ad6c13ef3d53a67268cbf5c924e7ea0d6561ebce 100644
(file)
--- a/
README
+++ b/
README
@@
-322,6
+322,10
@@
$ => $$ including $'s produced by other
&$NN => $(NN) where N are digits
&$( => $(
+A few contexts do not support $-doubling, such as directive arguments
+or places where this might imply $-quadrupling. (There is no way to
+get $-quadrupling.)
+
Tables of file reference syntaxes
---------------------------------