History — how many most-recent user clicks should be saved in session history
The directive specifies how many of the most recent user clicks should be stored in the session history.
Interchange 5.9.0:
Source: lib/Vend/Config.pm
Line 3992 (context shows lines 3992-3999)
sub parse_integer {
my($var, $value) = @_;
$value = hex($value) if $value =~ /^0x[\dA-Fa-f]+$/;
$value = oct($value) if $value =~ /^0[0-7]+$/;
config_error("The $var directive (now set to '$value') must be an integer\n")
unless $value =~ /^\d+$/;
$value;
}