[Caml-list] Ocaml 3.07+2: "Illegal backslash escape in string"

[Caml-list] Ocaml 3.07+2: "Illegal backslash escape in string"

[Oliver Bandel]

Hello,


after recompiling code that has run under Ocaml 3.04 (??)
without warnings, using Str-module, I now got those messages,
as you can see in the Subject-Line.

That's, when I use something like

   Str.regexp = "a\|b"

instead of

   Str.regexp = "a\\|b"


Why should I use a double-backslashed sequence?
When looking into the manual, the first way is
correct.

Will this be fixed, or will this double-backslashed sequence
the new way how to use Str-regexp-Definitions?!


Ciao,
   Oliver

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Re: [Caml-list] Ocaml 3.07+2: "Illegal backslash escape in string"

[Florian Hars]

Oliver Bandel wrote:
> Why should I use a double-backslashed sequence?

Because it is correct, as is clearly (if you like *that* kind of clarity) 
documented in an obscure part of the manual (in section 6.1).

The implementation of string literals was fixed in 3.05 to actually follow the 
documented behaviour.

Yours, Florian.

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