Re: [Chicken-users] string-translate and utf-8

[Kon Lovett]

Hi,

The problem below is fixed with 2.0.5 of the utf8 egg.

The source of the problem was the rewriting of some string operations  
by the compiler which were rebound in the same compilation-unit.

This can be a feature or a gotcha so programmers should be aware. (The  
most reliable source of which routines are "usual-integrations" is the  
Chicken source file "c-platform.scm".)

On Nov 8, 2008, at 2:55 AM, Sunnan * wrote:

> Well; here's a transcript:
>
> CHICKEN
> (c)2008 The Chicken Team
> (c)2000-2007 Felix L. Winkelmann
> Version 3.2.7 - linux-unix-gnu-x86-64   [ 64bit manyargs dload ptables
> applyhook hostpcre ]
> compiled 2008-08-21 on debian (Linux)
>
> #;1> (string-translate " i " "ö " "o_")
> Error: (string-translate) invalid translation destination
> 0
> "o_"
>
>         Call history:
>
>         <syntax>          (string-translate " i " "ö " "o_")
>         <eval>            (string-translate " i " "ö " "o_")        <--
> #;1> (require-extension utf8)
> ; loading /var/lib/chicken/3/utf8.scm ...
> ; loading /var/lib/chicken/3/utf8-support.so ...
> ; loading /var/lib/chicken/3/utf8-lolevel.so ...
> ; loading /var/lib/chicken/3/byte-string.so ...
> #;2> (string-translate " i " "ö " "o_")
> Error: (vector-ref) out of range
> #(#\o #\_)
> 2
>
>         Call history:
>
>         <syntax>          (string-translate " i " "ö " "o_")
>         <eval>            (string-translate " i " "ö " "o_")        <--
>
>
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Best Wishes,
Kon