tidy.php: minor improvements.
tidy.php: minor improvements.

mrlundis/wymeditor-legacy,mrlundis/wymeditor-legacy,mrlundis/wymeditor-legacy,samuelcole/wymeditor,samuelcole/wymeditor,samuelcole/wymeditor,samuelcole/wymeditor,samuelcole/wymeditor,mrlundis/wymeditor-legacy,samuelcole/wymeditor