The quoting documentation has this example:
define(`x', `substr(ab')
define(`y', `cde, `1', `3')')
x`'y => bcd
And it says that it behaves as substr(`abcde', `1', `3'); this is not
exact because `ab' and `cde' are active:
define(`ab', `AB')
define(`cde', `CDE')
define(`x', `substr(ab')
define(`y', `cde, `1', `3')')
x`'y => BCD
Therefore, the first parameter of substr behaves as ab`'cde, not
`abcde'. I attach a simple patch to fix this.
Paolo
2007-12-13 Paolo Bonzini <[EMAIL PROTECTED]> (tiny change)
Giovanni Toffetti <[EMAIL PROTECTED]>
* doc/m4.texinfo: Fix quoting of a quoting example.
diff --git a/doc/m4.texinfo b/doc/m4.texinfo
index 14017d8..f57402b 100644
--- a/doc/m4.texinfo
+++ b/doc/m4.texinfo
@@ -1509,7 +1509,7 @@ empty string.
@cindex rescanning
The output of macro evaluations is always rescanned. The following
example would yield the string @samp{bcd}, exactly as if @code{m4}
-has been given @[EMAIL PROTECTED](`abcde', `1', `3')}} as input:
+has been given @[EMAIL PROTECTED](ab`'cde, `1', `3')}} as input:
@example
define(`x', `substr(ab')
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