§{:sum; … :}
Output the sum.
{:sum; /literal/literal/ :}
Any delimiter can be used:
{:sum; ~a~b~ :}
{:sum; #a#b# :}
{:sum; |a|b| :}
{:sum; XaXbX :}
...
§Modifiers:
§Modifier: ^ (upline)
Eliminates previous whitespaces, (See “unprintable” for examples.)
§No flags