PATH  Mac OS X Server Documentation > The PostScript Previewers: Yap and pft

Using Yap

Yap is straightforward to use. Choose the Open or New command in the Document menu to open a document window. Select the Execute command in the Document menu to execute the PostScript code that's in the main window.

The result is displayed in the Output window, and PostScript errors are reported in the title bar of the Output window. If there are no errors in the execution of your code, the execution time is reported in the title bar instead.

There's only one Output window. Its PostScript rendering area can be resized using the Preferences panel (choose the Preferences command in the Info menu). The Preferences panel also contains options for showing and clearing the PostScript cache.

If you change the font in a Yap window, that font will be used in Yap windows created after that as well. The font will also be written to your defaults database and be used the next time you launch Yap.

Yap can paste PostScript from the pasteboard; this is useful when debugging programs that write PostScript on the pasteboard. The Paste menu command first checks the pasteboard for PostScript data, then for text data.

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