Niladic functions

The "Integrated Document" on the web page has the following paragraph in
the section "CREATE TABLE" in chapter 20.

In the current release (v6.4), Postgres evaluates all default expressions at
the time the table is defined. Hence, functions which are "non-cacheable"
such as CURRENT_TIMESTAMP may not produce the desired effect. For the
particular case of date/time types, one can work around this behavior by
using "DEFAULT TEXT 'now'" instead of "DEFAULT 'now'" or "DEFAULT
CURRENT_TIMESTAMP". This forces Postgres to consider the constant a string
type and then to convert the value to timestamp at runtime.

This appears to be untrue. Is this a change since 6.4 or is there
some cases where using CURRENT_TIMESTAMP will not do the expected thing?

Also, the title of the document (The PostgreSQL Development Team) seems
to be incorrect.

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