address@hidden: Issue with rx: (rx (and anything anything)) seems incorrect]

[Richard Stallman]

Would someone please DTRT, then ack?

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From: Nick Alexander <address@hidden>
Date: Fri, 29 Jun 2007 11:48:41 -0700
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Subject: Issue with rx: (rx (and anything anything)) seems incorrect

In GNU Emacs 22.0.95.1 (powerpc-apple-darwin8.9.0, Carbon Version 1.6.0)
 of 2007-03-15 on g5.tokyo.stp.isas.jaxa.jp
Windowing system distributor `Apple Inc.', version 10.4.9
configured using `configure  
'--prefix=/Applications/Emacs.app/Contents/Resources' '--with-carbon' 
'--without-x' '--libexecdir=/Volumes/Emacs/Emacs.app/Contents/MacOS/libexec' 
'CFLAGS=-arch i386 -arch ppc -isysroot /Developer/SDKs/MacOSX10.4u.sdk 
-DUSE_ATSUI -DUSE_MAC_TSM''

Hi all,

The following is expected:
(rx (and ?a ?b)) => "\\(?:ab\\)"

The following is not:
(rx (and anything anything)) => "\\(?:.\\|
.\\|
\\)"

I have no idea why the newlines are inserted, nor why there are choice
bars (|).  Why not just "\\(?:..\\)" as before?

Nick Alexander


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