Index Options Menu 

File Format ...

Displays the following dialog:

The "Tabulator size:" field allows to specify the number of columns to use for resolving tabulator characters in editor documents. If "Store tabulator characters" is checked, tabulator characters will be used on saving files to replace chains of space characters. The "File format:" choice selects the end of line character for different platforms. If "Platform" is selected, the environment will select the end of line character for you. The file format settings will be stored in the current project file.