<\body> Before writing your own style file, it may be useful to take a look at some standard style files. For instance, you may load using (no path is necessary here, since the style directory is included in the default file path). After loading , you will see many function and environment declarations (these declarations are visible, since style files are written in ``preamble mode'' (see )). Some more declarations are contained in the files , , and on which is based. These files respectively contain basic, itemize-like, theorem-like and programming environments. <\initial> <\collection> <\references> <\collection> |?>> |?>> |?>> |?>>