than "*"; it is confusing to start a sentence with a symbol.
The syntaxes using <literal>*</> are used for calling parameter-less
aggregate functions as window functions, for example
<literal>count(*) OVER (PARTITION BY x ORDER BY y)</>.
- <literal>*</> is customarily not used for non-aggregate window functions.
+ The asterisk (<literal>*</>) is customarily not used for non-aggregate window functions.
Aggregate window functions, unlike normal aggregate functions, do not
allow <literal>DISTINCT</> or <literal>ORDER BY</> to be used within the
function argument list.