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From: | Juergen Sauermann |
Subject: | Re: [Bug-apl] Trace and Stop control |
Date: | Sat, 14 Jun 2014 17:00:17 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130330 Thunderbird/17.0.5 |
Hi, in ISO they are called ⎕STOP and ⎕TRACE. Both variants S∆/T∆ and ⎕STOP/⎕TRACE are now implemented n GNU APL. For some reason S∆ and T∆ are case sensitive while ⎕STOP and ⎕TRACE are not. /// Jürgen On 04/06/2014 09:56 AM, David B. Lamkins wrote:
Oops. Never mind. That's an IBM-ism; not part of ISO APL. On Sat, 2014-04-05 at 23:20 -0700, David B. Lamkins wrote:A suggestion: For compatibility with APL2, reserve names beginning with t∆ and s∆. GNU APL should indicate that trace and stop control are unimplemented when attempting to set such names to anything other than a numeric vector or an empty vector.
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