Pavel Stehule <pavel.steh...@gmail.com> writes:
> now missing variables is replaced by variable's name. We can implement
> some pset option - some like define what do with missing variable

> \pset missing_variable (use_name | use_null | error )

No, it isn't "replaced by variable's name".  What actually happens is we
don't attempt a replacement unless the string after the colon matches an
existing variable.  Tampering with that seems dangerous and foolish.

                        regards, tom lane


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