Commit 8748e3eb authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(printer-name): New variable.

(lpr-switches): Mention it in docstring.
(print-region-1): Use it.
parent 5a0aa644
......@@ -26,7 +26,7 @@
;; Commands to send the region or a buffer your printer. Entry points
;; are `lpr-buffer', `print-buffer', lpr-region', or `print-region'; option
;; variables include `lpr-switches' and `lpr-command'.
;; variables include `printer-name', `lpr-switches' and `lpr-command'.
;;; Code:
......@@ -34,10 +34,30 @@
"Print Emacs buffer on line printer"
:group 'wp)
(defcustom printer-name
(if (memq system-type '(ms-dos windows-nt)) "PRN")
"*The name of a local printer to which data is sent for printing.
\(Note that PostScript files are sent to `ps-printer-name', which see.\)
On Unix-like systems, a string value should be a name understood by
lpr's -P option.
On MS-DOS and MS-Windows systems, it is the name of a printer device or
port. Typical non-default settings would be \"LPT1\" to \"LPT3\" for
parallel printers, or \"COM1\" to \"COM4\" or \"AUX\" for serial
printers, or \"//hostname/printer\" for a shared network printer. You
can also set it to a name of a file, in which case the output gets
appended to that file. If you want to discard the printed output, set
this to \"NUL\"."
:type 'file ; could use string but then we lose completion for files.
:group 'lpr)
(defcustom lpr-switches nil
"*List of strings to pass as extra options for the printer program.
It is recommended to set `printer-name' instead of including an explicit
switch on this list.
See `lpr-command'."
:type '(repeat (string :tag "Argument"))
:group 'lpr)
......@@ -170,6 +190,8 @@ The variable `lpr-page-header-program' specifies the program to use."
;; These belong in pr if we are using that.
(and lpr-add-switches lpr-headers-switches
(list "-T" title))
(and (stringp printer-name)
(list (concat "-P" printer-name)))
(if (markerp end)
(set-marker end nil))
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