Line and paragraph spacing feature. Region to cut

Line and paragraph spacing feature.  Region to cut
out when printing.  Doc fix.
(ps-print-version): New version number (6.5).
(ps-line-spacing, ps-paragraph-spacing, ps-paragraph-regexp): New
vars.  Line and paragraph spacing feature.
(ps-begin-cut-regexp, ps-end-cut-regexp): New vars.  Region to cut
out when printing.
(ps-setup, ps-nb-pages, ps-get-page-dimensions, ps-begin-file)
(ps-get-font-size, ps-begin-job, ps-continue-line)
(ps-plot-region): Code fix.
(ps-print-prologue-2): Var eliminated.
(ps-line-spacing-internal, ps-paragraph-spacing-internal): New
internal vars.
(ps-get-size): New fun.
(ps-output-string-prim, ps-init-output-queue, ps-print-page-p)
(ps-next-line): Replace defun by defsubst.
(ps-mule-plot-string): Autoload doc fix.

(ps-mule-generate-font): New arg HEADER-P.  If it is
non-nil, generate font for the header strings.
(ps-mule-prepare-font): Likewise.
(ps-mule-generate-glyphs): Likewise.
(ps-mule-string-encoding): Likewise.
(ps-mule-header-charsets): New variable.
(ps-mule-encode-header-string): New function.
(ps-mule-header-string-charsets): New function.
(ps-mule-begin-job): Check charsets in the header strings.  If there
are non-ASCII and non-Latin1 charsets, prepare fonts for them.