Re: exist, configure, doc2tex and \index

[Petr M. <mi...@ph...>]

>> This is the correct patch! With this patch, the exists(...) works as
>> expected.
>
> I disagree.
>
> Before
> -------
> gnuplot> foo = 8
> gnuplot> if (!exists(foo)) print "Hi"

This is wrong! You must write exists("foo"). The argument of exists() must 
always be a string:

gnuplot> help exists
  `exists("X")` returns 1 if a variable named X has been defined, otherwise
  it returns 0.


It was defined() who used to accept non-string variable.

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PM