The result of Example of insertL* was the result of insertR*, so I chang...

[Lyruse]

...e it.

[pkrumins]

Hmm, I can't see what your change does. It delete two lines and then puts the same lines back it appears.

[Lyruse]

It's the function insertL* 's main use, to insert the new before the old, you may check it a second time.