my $docdir = rel2abs catdir $ARGV[0], 'docs', $version{MAJOR}, 'modules';
print_error "unable to find the module directory at $docdir!" unless -d $docdir;
-for my $module (<src/modules/m_*.cpp>, <src/modules/m_*/main.cpp>) {
+for my $module (<src/modules/extra/m_*.cpp>, <src/modules/m_*.cpp>, <src/modules/m_*/main.cpp>) {
print_error "unable to extract module name from $module!" unless $module =~ /m_(\w+)[.\/]/;
my $docfile = catfile $docdir, "$1.md";
print_error "unable to find the module documentation at $docfile!" unless -f $docfile;