Re: Usage of _PROMPT and _PROMPT2

[Dirk Laurie <dirk.laurie@...>]

2016-03-03 13:49 GMT+02:00 Roberto Ierusalimschy <roberto@inf.puc-rio.br>:
>> > Also why isn't this documented anywhere?
>>
>> At last, a valid point. It was documented up to Lua 5.1.5.
>> Its omission was probably a slip of the mouse.
>
> We have considered removing this feature, as it seems that very few
> people use it (even less now, as it is not documented :-) and its
> benefits to the language seem quite small (if any). But in the end
> we did not reach a final decision and so it was left as it is now
> (implemented but not documented).

I use it. Specifically, I wrote an application [1],[2] that gives an APL
look-and-feel. That look-and-feel is enhanced by

PROMPT = '      '

[1] http://lua-users.org/lists/lua-l/2013-01/msg00498.html
[2] http://lua-users.org/lists/lua-l/2014-04/msg00533.html