Indeed I do not think that backward scanning will be possible with any kind
of string that has different delimiters than double quotes.


On Tue, Jul 29, 2014 at 9:28 PM, Richard Stallman <rms@gnu.org> wrote:

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>
>     If it can be parsed forwards it can be parsed backwards,
>
> Perhaps you mean it is possible in some theoretical sense.
> That's not the issue here.  The Emacs sexp-scanning functions
> scan backwards in a simple way, and the syntax has to be
> suitable for them to handle.
>
>                                                              although it
> might
>     not be immediately possible to do so.
>
> We need the backward scanning to work when the syntax is installed.
>
> --
> Dr Richard Stallman
> President, Free Software Foundation
> 51 Franklin St
> Boston MA 02110
> USA
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>