relax SVN archive

The grace version of the write_xy_header() header is not output.

The 'Spin ' text is now prepended to the legend only in get_data(), and not write_xy_header().

Fix for write_xy_header(), axis limits are now set when the value is 0.

The graph title and subtitle can be specified in write_xy_header().

Fix for the colour setting in write_xy_header().

The arg is called set_colours, not colours!

Much finer control of the set appearance in write_xy_header().

The symbol style, sizes, and line linestyle can now all be specified.

The symbols are now also coloured in write_xy_header().

Set colours can now be specified in write_xy_header().

In write_xy_header(), the legend box can be now turned on or off and can have its position set.

Changed the handling of the [None, None] format args.

These now default to None and are converted to [None, None] inside the function.