Re: Issue with rx: (rx (and anything anything)) seems incorrect

[Lennart Borgman (gmail)]

Nick Alexander wrote:
> 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?


I think that "." does not match newline.