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PostScript is not an ideal submission format, for several reasons:
- PostScript loses all contextual information.
- PostScript loses portability by fixing the page size and resolution.
- Many broken programs on PCs and Macs produce PostScript which does not conform to the Adobe specification.
- Level II Postscript cannot always be printed on Level I printers.
- Note: a PostScript file created from a TeX/LaTeX file will be rejected. There are good reasons for insisting on LaTeX source if it is available.
Unfortunately, many people are under the illusion that submitting PostScript is ideal because it can be printed directly or viewed on the screen. Authors who write in TeX should never submit PostScript, except for figure attachments (see discussion of benefits of TeX source).
If you use an old version of a word processor such as MS Word then PostScript may be a good option. However, PDF is usually better if your word processor supports it. If you use bitmapped fonts or you have some other resolution dependence, produce the PostScript file at 300 dpi for maximum portability.
You must submit any figures that go along with your paper. For PostScript submissions it is best to produce a single PostScript file that includes all figures. However, you may also submit figures in separate PostScript (ps, eps) files. Other file formats (PDF, JPEG, PNG, GIF. ) are not permitted.