[ViewVC] Diff of: cvs/rxvt-unicode/src/urxvt.pm

Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.257 by root, Thu Jul 13 10:31:27 2017 UTC vs.
Revision 1.258 by root, Tue Sep 17 20:38:14 2019 UTC

 the C<urxvt::extension> section below.
 =head2 META comments
 Rxvt-unicode recognizes special meta comments in extensions that define
-different types of metadata.
+different types of metadata. These comments are scanned whenever a
+terminal is created and are typically used to autoload extensions when
+their resources or command line parameters are used.
 Currently, it recognises only one such comment:
 =over 4
 =item #:META:RESOURCE:name:type:desc
 The RESOURCE comment defines a resource used by the extension, where
 C<name> is the resource name, C<type> is the resource type, C<boolean>
 or C<string>, and C<desc> is the resource description.
+The extension will be autoloaded when this resource is specified or used
+as a command line parameter.
 =back
 =head2 Hooks
 sub parse_resource {
    my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
    $term->scan_extensions;
+   # iterating over all resources has quadratic time overhead
+   # overall, maybe this could be optimised?
    my $r = $term->{meta}{resource};
    keys %$r; # reset iterator
    while (my ($k, $v) = each %$r) {
       my $pattern = $k;
       $pattern =~ y/./-/ if $isarg;

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