sub classes_from_latex {
my ($path, $class) = @_;
- eval { use String::ShellQuote; 1 } or warn "can't load String::ShellQuote" && return;
+ eval { require String::ShellQuote; 1 } or warn "can't load String::ShellQuote" && return;
$path = shell_quote $path;
$class = shell_quote $class;