Python uses whitespace indentation, rather than curly brackets or keywords, to delimit blocks. Python uses whitespace to delimit control flow blocks (following the off-side rule). Unix uses a forward slash (/) to delimit components whereas Windows uses a backslash (). The tribunal did not rule on the ownership of the islands or delimit maritime boundaries. The Gedcom standard for exchanging computerized genealogical data uses slashes to delimit surnames. It computes simple areas to delimit peaks by adding valleys automatically or not. The above command uses the null character to delimit file names. Countries delimit electoral districts in different ways. One approach is to delimit separate words with a nonalphanumeric character. In constitutional terms, the highlights are the principles that seek to delimit the state action. They will use their loud calls to either delimit their territory or for long-distance communication. The Supreme Court has yet to clearly delimit the components of the basic structure. It is almost invariably difficult to delimit a site. The Phu Phan Mountains delimit the province to the south. It is also sometimes used to delimit choices.