Some comment and doc fixes.

Some comment and doc fixes.
(ps-print-version): New version number (3.05.2) and doc fix.
(ps-print, ps-header-lines, ps-show-n-of-n, ps-font-info-database)
(ps-font-family, ps-font-size, ps-header-font-family)
(ps-header-font-size, ps-header-title-font-size, ps-bold-faces)
(ps-italic-faces, ps-underlined-faces, ps-left-header, ps-right-header)
(ps-font, ps-font-bold, ps-font-italic, ps-font-bold-italic)
(ps-avg-char-width, ps-space-width, ps-line-height): Doc fix.
(ps-error-scale-font): New fn.
(ps-soft-lf, ps-hard-lf): Fn deleted.
(ps-get-page-dimensions, ps-set-bg, ps-face-bold-p, ps-face-italic-p)
(ps-set-color): Reindentation.
(ps-output-string-prim, ps-xemacs-face-kind-p): Internal blank lines
deleted.
(ps-set-font): Little programming improvement.
(ps-line-lengths-internal, ps-nb-pages, ps-select-font)
(ps-select-header-font): Simplify some expressions.
(ps-plot-region): Replace (- X 1) by (1- X).
(ps-generate-header): Replace (+ X 1) by (1+ X).
(ps-print-preprint, ps-plot-with-face, ps-print-ensure-fontified)
(ps-kill-emacs-check): Replace (if (and A B) C) by (and A B C).
(ps-init-output-queue, ps-gnus-article-prepare-hook, ps-jts-ps-setup):
Replace (setq a b)(setq c d) by (setq a b c d).
(ps-begin-file, ps-end-file): Replace (ps-output A)(ps-output B)
by (ps-output A B).
(ps-begin-page): Replace (ps-output A)(ps-output B) by (ps-output A B),
replace (setq a b)(setq c d) by (setq a b c d).
(ps-next-line, ps-continue-line): Replace (setq a b)(setq c d)
by (setq a b c d), and incorporates ps-soft-lf and ps-hard-lf,
respectively.
(ps-plot): Replace (setq a b)(setq c d) by (setq a b c d),
and programming improvement.
(ps-generate-postscript-with-faces): Initialization fix,
replace (setq a b)(setq c d) by (setq a b c d),
replace (if (and A B) C) by (and A B C).
(ps-generate): Doc fix, reprogramming to set the page count,
replace (setq a b)(setq c d) by (setq a b c d),
replace (if A nil B) by (or A B),
replace (if (and A B) C) by (and A B C).
(ps-info-mode-hook): Replace (list 'A 'B) by '(A B).
(ps-jack-setup): Replace (list) by nil.