How do I set the replace? In the version for joomla 1.5 there is now no

In the version of Sef Advance for joomla 1.5 there is an option called Replace where inside there was this entry: Encode exceptions so you can insert a symbol, for example ":" in the url and now and then there can not to have the same url
How do I fix?
thanks

Joomla 1.7 version use title alias only, so there is no URL encode. If you need to replace anything you replace it directly in the title alias of the item.

I tried to put the symbol :
but when I save it replaces them with -

Yes, Joomla replaces punctuation in alias, thus also in URLs. If you really need punctuation in URLs I guess you can set transliteration to No in Global Configuration and it should not be replaced.

I did it but he removes the symbol and not put nothing while before I replaced it with the symbol -
Problem not solved: (

Then I guess manual alias is the only solution.