$is_multi
Usage: $is_multi(x)
Category: conditional
Implemented: Picard 2.7
Description:
Returns true, if the argument is a multi-value tag and there is more than one element.
Example:
The following statements will return the values indicated:
$set(foo,a; b; c)
$is_multi(%foo%) ==> "" (False)
$set(bar,)
$is_multi(%bar%) ==> "" (False)
$setmulti(baz,a; b; c)
$is_multi(%baz%) ==> "1" (True)
$is_multi(a; b; c) ==> "1" (True)
$is_multi(a) ==> "" (False)