MV_AUTOLOAD — (partly documented)
It specifies the value to be placed in the beginning of the html if the $Vend::PageInit is defined and not 0.
Interchange 5.9.0:
Source: lib/Vend/Interpolate.pm
Line 652 (context shows lines 642-656 in interpolate_html():640)
return undef if ! defined($html);
return undef if $Vend::NoInterpolate;
my ($name, @post);
my ($bit, %post);
local($^W);
my $toplevel;
if(defined $Vend::PageInit and ! $Vend::PageInit) {
defined $::Variable->{MV_AUTOLOAD}
and $html =~ s/^/$::Variable->{MV_AUTOLOAD}/;
defined $::Variable->{MV_AUTOEND}
and $html =~ s/$/$::Variable->{MV_AUTOEND}/;
$toplevel = 1;