+# This is not perfect (it can't handle "_ " right, for one), but it will do for now
+sub weird_space_encode {
+ my $val = shift;
+ if ($val =~ /_/) {
+ return "_" x (length($val) * 2);
+ } else {
+ return "_" x (length($val) * 2 - 1);
+ }
+}
+
+sub weird_space_unencode {
+ my $val = shift;
+ if (length($val) % 2 == 0) {
+ return "_" x (length($val) / 2);
+ } else {
+ return " " x ((length($val) + 1) / 2);
+ }
+}
+
+sub pretty_escape {
+ my $value = shift;
+
+ $value =~ s/(([_ ])\2*)/weird_space_encode($1)/ge;
+ $value = URI::Escape::uri_escape($value);
+ $value =~ s/%2F/\//g;
+
+ return $value;
+}
+
+sub pretty_unescape {
+ my $value = shift;
+
+ # URI unescaping is already done for us
+ $value =~ s/(_+)/weird_space_unencode($1)/ge;
+
+ return $value;
+}
+