gsep Group Separator

In a number, the symbol (typically either a space or a comma) to delimit the groups within the number. For example, in “2,238,543.24”, the comma “,” is the group separator.
OPTIONAL on element: <num>
Value Meaning
Text, numbers, or special characters Typically a comma or a space, to indicate what the separator is for the given number.
Restriction This is an optional attribute; there is no default.