On 24 Sep 2001 14:42:08 -0400, ron### [at] povrayorg (Ron Parker)
wrote:

> Commas are supposed to be optional just about everywhere, including here.
> Also, it works if you type 'concat("1")' which doesn't make sense if you 
> go by the reasoning you've proposed.

[..]

>(and, more importantly, it is NOT a 
>documentation bug, so no need to say anything about commas being required.)

but first sentence causes documentation or parser bug
becouse there is sentence "Must have at least 2 parameters but may
have more" about concat within 6.1.7.3

ABX

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