Re: canceling ∇-edit mode

[Dr . Jürgen Sauermann]

Hi again,

I would also like to point out that recursive use of ∇ (editing another
function
while editing a function) is supported in APL2 but not in GNU APL (and there
are no plans to change that).

Best Regards,
Jürgen


On 4/8/20 1:38 PM, Dr. Jürgen Sauermann wrote:
> Hi Otto,
>
> thanks for reporting this. I guess I simply missed that case.
>
> Fxed in *SVN 1254*.
>
> Best Regards,
> Jürgen Sauermann
>
>
> On 4/8/20 12:13 PM, Otto Diesenbacher-Reinmüller wrote:
>> Hi APLers,
>>
>> first let me thank, for that wonderful piece of software!
>>
>> Using the ∇-editor I found some inconsistencies, perhaps a bug or am I
>> using ∇ wrong? Reference APL2 docu and Nabla.cc:
>> "  // we expect one of the following:
>>    //
>>    // [⎕] [n⎕] [⎕m] [n⎕m] [⎕n-m]                    (show)
>>    //     [n∆] [∆m] [n∆m] [∆n-m] [∆n1 n2 ...]       (delete)
>>    // [→]                                           (escape)
>>    // [n]                                           (goto)
>>    // text                                          (override text)"
>>
>>
>> I create a new function:
>>       ∇z←a plus b
>> [1] z←a+b
>> [2] ∇
>>
>> afterwards I start changing the function, but want to cancel the
>> changes. Entering [→] won't let me leave the ∇-mode. I have to end it
>> with '∇'? BUT then, only the header remains - whole function body is
>> no longer available:
>>
>>       ∇plus
>> [2] [⎕]
>>     ∇
>> [0]   z←a plus b
>> [1]   z←a+b
>>     ∇
>> [2] [0.5] ⍝ a comment
>> [0.6] [→]                    ⍝ I am not leaving the ∇-mode?
>> [0.6] ∇                      ⍝ I have to leave with ∇?
>>       ∇plus[⎕]∇
>>     ∇
>> [0]   z←a plus b
>>     ∇
>>       ⎕CR 'plus'
>> ┌→─────────┐
>> ↓z←a plus b│
>> └──────────┘
>>
>> Is this a bug, or is there another way to leave the ∇-mode without
>> saving last changes?
>>
>> br & many thanks - Otto
>>
>
>