Thank you.
On Jun 28, 2016 8:09 AM, "Juergen Sauermann" <juergen.sauerm...@t-online.de>
wrote:

> Hi David,
>
> I have added a filter for unused and not localized names in the tab
> expansion, *SVN 759*.
>
> I am afraid there is no portable (in the sense that the ISO standard
> defines it) way to
> )ERASE a name from the symbol table.
>
> /// Jürgen
>
>
> On 06/28/2016 08:37 AM, David B. Lamkins wrote:
>
> I see. I had assumed (incorrectly) that )ERASE and ⎕EX have the same effect.
>
> IIUC, the names interned by any definition are available to tab completion 
> until they are )ERASEd, even if they are no longer associated with an APL 
> object in the workspace. I noticed that tab completion sees even names that 
> have only ever been available as localized names in a function.
>
> Is there a portable way to unintern a name from the symbol table? The ISO 
> standard doesn't seem to specify whether
>
>       ⍎')system_command ...'
>
> should be supported.
>
>
>
> On Mon, Jun 27, 2016 at 01:58:07PM +0200, Juergen Sauermann wrote:
>
> Hi David,
>
> ⎕EX only deletes the current-referent of a name (= the name at the
> top of the )SI stack) but not its global-referent.
>
> If you use )ERASE instead of ⎕EX then tab-completion will recognize this.
>
> /// Jürgen
>
>
> On 06/27/2016 07:05 AM, David B. Lamkins wrote:
>
>     Tab completion doesn't know that a symbol has been removed.
>
>     In the following, <Tab> is the tab character.
>
>           ⎕fx 'foo'
>     foo
>           f<Tab>
>           ⎕ex 'foo'
>     1
>           ⎕nc 'foo'
>     0
>           f<Tab>
>     VALUE ERROR
>           foo
>           ^
>
>
>
>
>
>
>

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