Artifact 4570510369894f40895ea60b075d2aebc82c7b3c0a7ba017f764c988264d6a72:

• File psl-1983/emode/emode-disphelp.red — part of check-in [eb17ceb7f6] at 2020-04-21 19:40:01 on branch master — Add Reduce 3.0 to the historical section of the archive, and some more
  files relating to version sof PSL from the early 1980s. Thanks are due to
  Paul McJones and Nelson Beebe for these, as well as to all the original
  authors.

  git-svn-id: https://svn.code.sf.net/p/reduce-algebra/code/historical@5328 2bfe0521-f11c-4a00-b80e-6202646ff360 (user: arthurcnorman@users.sourceforge.net, size: 526) [annotate] [blame] [check-ins using] [more...]

% Stolen from PI:HELP.RED--modified to run under EMODE.

lisp procedure DisplayHelpFile F;	%. Type help about 'F'
begin scalar NewIn, C, !*Echo;
    (lambda(!*Lower);
	F := BldMsg(HelpFileFormat!*, F))(T);
    NewIn := ErrorSet(list('Open, MkQuote F, '(quote Input)), NIL, NIL);

    if not PairP NewIn then
	ErrorPrintF("*** Couldn't find help file %r", F)
    else
    <<  NewIn := car NewIn;
        SelectBuffer('ALTERNATE_WINDOW);
        read_channel_into_buffer(NewIn);         % (Closes NewIn when done.)
    >>;
end;