1: /*
   2:  *		less
   3:  *	Copyright (c) 1984,1985  Mark Nudelman
   4:  *
   5:  *	This program may be freely used and/or modified,
   6:  *	with the following provisions:
   7:  *	1. This notice and the above copyright notice must remain intact.
   8:  *	2. Neither this program, nor any modification of it,
   9:  *	   may be sold for profit without written consent of the author.
  10:  *
  11:  *	-----------------------------------------------------------------
  12:  *
  13:  *	This program is a paginator similar to "more",
  14:  *	but allows you to move both forward and backward in the file.
  15:  *	Commands are based on "more" and "vi".
  16:  *
  17:  *	----------------------- CHANGES ---------------------------------
  18:  *
  19:  *	    Allowed use on standard input		1/29/84   markn
  20:  *	    Added E, N, P commands			2/1/84    markn
  21:  *	    Added '=' command, 'stop' signal handling	4/17/84   markn
  22:  *	    Added line folding				4/20/84   markn
  23:  *	v2: Fixed '=' command to use BOTTOM_PLUS_ONE,
  24:  *	    instead of TOP, added 'p' & 'v' commands	4/27/84   markn
  25:  *	v3: Added -m and -t options, '-' command	5/3/84    markn
  26:  *	v4: Added LESS environment variable		5/3/84    markn
  27:  *	v5: New comments, fixed '-' command slightly	5/3/84    markn
  28:  *	v6: Added -Q, visual bell			5/15/84   markn
  29:  *	v7: Fixed jump_back(n) bug: n should count real
  30:  *	    lines, not folded lines.  Also allow number
  31:  *	    on G command.				5/24/84   markn
  32:  *	v8: Re-do -q and -Q commands			5/30/84   markn
  33:  *	v9: Added "+<cmd>" argument			9/25/84   markn
  34:  *	v10: Fixed bug in -b<n> argument processing	10/10/84  markn
  35:  *	v11: Made error() ring bell if \n not entered.	10/18/84  markn
  36:  *	-----------------------------------------------------------------
  37:  *	v12: Reorganized signal handling and made
  38:  *	     portable to 4.2bsd.			2/13/85   mark
  39:  *	v13: Reword error message for '-' command.	2/16/85   mark
  40:  *	v14: Added -bf and -bp variants of -b.		2/22/85   mark
  41:  *	v15: Miscellaneous changes.			2/25/85   mark
  42:  *	v16: Added -u flag for backspace processing.	3/13/85   mark
  43:  *	v17: Added j and k commands,
  44:  *		changed -t default.			4/13/85   mark
  45:  *	v18: Rewrote signal handling code.		4/20/85   mark
  46:  *	v19: Got rid of "verbose" eq_message().		5/2/85    mark
  47:  *	     Made search() scroll in some cases.
  48:  *	v20: Fixed screen.c ioctls for System V.	5/21/85   mark
  49:  *	v21: Fixed some first_cmd bugs.			5/23/85   mark
  50:  *	v22: Added support for no RECOMP nor REGCMP.	5/24/85   mark
  51:  * 	v23: Miscellanous changes and prettying up.	5/25/85   mark
  52:  *		Posted to USENET.
  53:  *      v24: Added ti,te terminal init & de-init       6/3/85 Mike Kersenbrock
  54:  *	v25: Added -U flag, standout mode underlining.	6/8/85    mark
  55:  *	v26: Added -M flag.				6/9/85    mark
  56:  *	     Use underline termcap (us) if it exists.
  57:  *	v27: Renamed some variables to make unique in	6/15/85   mark
  58:  *	     6 chars.  Minor fix to -m.
  59:  *	v28: Fixed right margin bug.			6/28/85   mark
  60:  *	v29: Incorporated M.Rose's changes to signal.c	6/28/85   mark
  61:  *	v30: Fixed stupid bug in argument processing.	6/29/85   mark
  62:  *	v31: Added -p flag, changed repaint algorithm.  7/15/85   mark
  63:  *	     Added kludge for magic cookie terminals.
  64:  *	v32: Added cat_file if output not a tty.	7/16/85   mark
  65:  *	v33: Added -e flag and EDITOR.			7/23/85   mark
  66:  *	v34: Added -s flag.				7/26/85   mark
  67:  *	v35: Rewrote option handling; added option.c.	7/27/85   mark
  68:  *	v36: Fixed -e flag to work if not last file.	7/29/85   mark
  69:  *	v37: Added -x flag.				8/10/85   mark
  70:  *	v38: Changed prompting; created prompt.c.	8/19/85   mark
  71:  *	v39: (Not -p) does not initially clear screen.	8/24/85   mark
  72:  *	v40: Added "skipping" indicator in forw().	8/26/85   mark
  73:  *		Posted to USENET.
  74:  *	v41: ONLY_RETURN, control char commands,	9/17/85   mark
  75:  *	     faster search, other minor fixes.
  76:  *	v42: Added ++ command line syntax;		9/25/85   mark
  77:  *	     ch_fsize for pipes.
  78:  *	v43: Added -h flag, changed prim.c algorithms.	10/15/85  mark
  79:  *	v44: Made END print in all cases of eof;	10/16/85  mark
  80:  *	     ignore SIGTTOU after receiving SIGTSTP.
  81:  *	v45: Never print backspaces unless -u.		10/16/85  mark
  82:  *	v46: Backwards scroll in jump_loc.		10/24/85  mark
  83:  *	v47: Fixed bug in edit(): *first_cmd==0		10/30/85  mark
  84:  *	v48: Use TIOCSETN instead of TIOCSETP.		11/16/85  mark
  85:  *	     Added marks (m and ' commands).
  86:  *		Posted to USENET.
  87:  *	-----------------------------------------------------------------
  88:  *	v49: Fixed bug: signal didn't clear mcc.	1/9/86    mark
  89:  *	v50: Added ' (quote) to gomark.			1/15/86   mark
  90:  *	v51: Added + cmd, fixed problem if first_cmd
  91:  *	     fails, made g cmd sort of "work" on pipes
  92:  *	     even if bof is no longer buffered.		1/16/86   mark
  93:  *	v52: Made short files work better.		1/17/86   mark
  94:  *	v53: Added -P option.				1/20/86   mark
  95:  *	v54: Changed help to use HELPFILE.		1/20/86   mark
  96:  *	v55: Messages work better if not tty output.	1/23/86   mark
  97:  *	v56: Added -l option.				1/24/86   mark
  98:  *	v57: Fixed -l to get confirmation before
  99:  *	     overwriting an existing file.		1/31/86   mark
 100:  *	v58: Added filename globbing.			8/28/86   mark
 101:  *	v59: Fixed some bugs with very long filenames.	9/15/86   mark
 102:  *	v60: Incorporated changes from Leith (Casey)
 103:  *	     Leedom for boldface and -z option.		9/26/86   mark
 104:  *	v61: Got rid of annoying repaints after ! cmd.	9/26/86   mark
 105:  *	-----------------------------------------------------------------
 106:  */
 107: 
 108: char version[] = "@(#) less  version 61";

Defined variables

version defined in line 108; used 1 times
Last modified: 1990-07-10
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