This terminal produces files in the Adobe Portable Document Format (PDF), useable for printing or display with tools like Acrobat Reader
Syntax:
set terminal pdf {fname "<font>"} {fsize <fontsize>} {{no}enhanced}
where <font> is the name of the default font to use (default Helvetica) and <fontsize> is the font size (in points, default 12).
The `enhanced` option enables enhanced text processing features (subscripts, superscripts and mixed fonts). See `enhanced` for more information. Only the core PDF fonts are supported."