Actually, the characters do display properly in both the session manager and
under emacs if I set my font to Dyalog.
As I mentioned, changing "fread" to "ufread" seems to fix the problem.
On 6/30/08, bill lam <[EMAIL PROTECTED]> wrote:
>
> This is not a bug in fixargs. The root cause is that your APL characters
> are illegal in utf8. I bet those lovely characters will not display inside
> J602.
>
> turn off utf8 mode in regex by rxutf8 0
> or even better, convert those APL characters to true utf8 unicode.
>
> regards,
>
> Devon McCormick wrote:
>
>> Members of the Forum -
>>
>> I just tracked down a bug in "fixargs.ijs" whereby it failed to fully
>> convert all my old code from using the "y." to "y" etc. argument
>> convention.
>>
>> The function "fixarg" seems to fail silently for any file with double-byte
>> characters in it. My subject line refers to (one place) where the problem
>> cropped up: I have some code converted from APL in which I've retained the
>> old APL code as comments. Once again, that lovely character set causes
>> problems.
>>
>> The root cause appears to be in the regular expression code which
>> apparently
>> doesn't play well with the double-byte characters. It fails to match the
>> target string if there's such a character anywhere in the source string.
>>
>> Here's a short example of the problem:
>>
>> load 'regex'
>> ]str=. a.{~67 104 97 114 97 99 116 101 114 32 133 32 110 117 109 98 101
>> 114
>> Character ? number
>>
>> 'er' rxmatches str NB. No result though there should be two matches.
>> 'er' rxmatch str
>> _1 0
>>
>> NB. But if we replace one (double-byte flag) character by a space:
>> 'er' rxmatches (' ') 10}str
>> 7 2
>>
>> 16 2
>>
>> The good fix for this - removing the offending characters, fixing the
>> code,
>> then replacing the removed characters - appears complicated by the fact
>> that
>> the (initial) replacement in "fixarg" - the line "y=. ((sx;,2);x) rxrplc
>> y"
>> - changes the length of the string. It's probably OK to remove but
>> not replace these characters but I'm not exactly sure how to identify
>> them.
>>
>> Any ideas?
>>
>> Thanks,
>>
>> Devon
>>
>>
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>
--
Devon McCormick, CFA
^me^ at acm.
org is my
preferred e-mail
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