help causes warning: delete: no such file: \octave-help-?????

[Tatsuro MATSUOKA]

Hello

Recently I have noticed warning happens when help command is executed on own 
build octave of the
development version downloaded from Mercurial archive. 
(MinGW, gcc-4.5.0, on winodws XP professional and Home sp3)

octave.exe:1> help beta
warning: delete: no such file: \octave-help-JMkXDP

\input texinfo

I have a look at \octave-help-JMkXDP (drive D, ./run-octave is executed at 
drive D)
***********************
@deftypefn {Mapping Function} {} beta (@var{a}, @var{b})
For real inputs, return the Beta function,
@tex
$$
 B (a, b) = {\Gamma (a) \Gamma (b) \over \Gamma (a + b)}.
$$
@end tex
@ifnottex

@example
beta (a, b) = gamma (a) * gamma (b) / gamma (a + b).
@end example

@end ifnottex
@end deftypefn


@bye
***********

Perhaps the above is temporary file to display the help.

Have anyone seen similar behavior?

Regards

Tatsuro

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