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;