Solves the problem.  Thanks!

On Fri, Jun 20, 2014 at 9:56 AM, Juergen Sauermann <
[email protected]> wrote:

>  Hi Blake,
>
> ythanks, I have changed the ∇-editor so that incorrect lines cause
> an immediate error message when entered, SVN 334.
>
> /// Jürgen
>
>
>
> On 06/20/2014 05:49 AM, Blake McBride wrote:
>
> GNU APL:
>
>        ∇tt
> [1] 'aaa
> [2] x←1
> [3] x←2
> [4] x←3
> [5] ∇
> DEFN ERROR+
>       ∇tt
>         ^
>
>  You loose lines 2 3 and 4 too!
>
>  IBM APL 2:
>
>        ∇TT
> [1] 'AAA
> [2] X←1
> [3] X←2
> [4] X←3
> [5] ∇
>       TT
> SYNTAX ERROR
> TT[1]  'AAA
>         ^
>
>  In IBM you don't loose anything.  It simply tells you where the error
> is, and you can fix it.
>
>  The problem with GNU APL is that it lets you type in a long function
> without telling you there is a missing quote.  When you try to end the
> edit, the entire function is lost along with all of your typing.  IBM lets
> you type in the error, along with any other error.  It is discovered when
> you execute the function _without_ loosing everything you typed.  You can
> simply fix the line it points to.
>
>  Thanks.
>
>  Blake
>
>
>
>

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