)F FUNCTION -                                                           00000010
  THE "LED" SUB-COMMAND OF QED IS USED TO EDIT THE CONTENTS             00000020
  IF INDIVIDUAL LINES OR RANGES OF LINES.                               00000030
)X SYNTAX -                                                             00000040
        LED    LINE1  LINE2  'CHAR-STRING'  COUNT  SNUM                 00000050
  REQUIRED - NONE                                                       00000060
  DEFAULTS - IF NO OPERANDS ARE SUPPLIED, LED SELECTS ALL               00000070
             LINES IN THE DATASET, TOP DOWN, ONE AFTER THE              00000080
             OTHER.                                                     00000090
             IF LINE1,LINE2 ARE OMITTED, BUT 'CHAR-STRING'              00000100
             IS SPECIFIED, LED SELECTS LINES AT OR BELOW                00000110
             THE CURRENT LINE WHICH CONTAIN THE STRING.                 00000120
                                                                        00000130
  NOTE -     CHANGES MADE TO A LINE ARE 'TEMPORARY' UNTIL               00000140
             A NULL-LINE(CARRIAGE RETURN) IS SUPPLIED, AT               00000150
             WHICH TIME THEY BECOME 'FINAL'.                            00000160
             THUS THE BREAK(ATTN/INT) MAY BE USED INSTEAD               00000170
             OF THE NULL LINE(CARRIAGE RETURN), IN WHICH                00000180
             CASE THE 'TEMPORARY' CHANGES MADE DURING THIS              00000190
             PASS ARE DISCARDED, AND THE LINE REVERTS TO ITS            00000200
             MOST RECENT 'FINAL' FORM.                                  00000210
)O OPERANDS -                                                           00000220
))LINE1     - FIRST LINE YOU WISH ADDRESSED IN THE DATASET.             00000230
              MAY BE EITHER AN ACTUAL LINE NUMBER, OR AN                00000240
              ASTERISK '*' INDICATING 'CURRENT LINE'.                   00000250
))LINE2     - LAST LINE YOU WISH ADDRESSED IN THE DATASET.              00000260
              IF OMITTED, LED ADDRESSES ONLY THE LINE                   00000270
              SPECIFIED BY LINE1. IF LINE1 IS AN ASTERISK,              00000280
              LINE2 IS TREATED AS A COUNT.                              00000290
))'CHAR-STRING'                                                         00000300
            - ANY STRING ENCLOSED IN SINGLE QUOTES (APOSTROPHES).       00000310
              THE RANGE DELIMITED BY LINE1-LINE2 IS SEARCHED            00000320
              FOR OCCURENCES OF THE STRING, AND EDITING IS              00000330
              LIMITED TO THOSE LINES WHICH CONTAIN THE STRING.          00000340
))COUNT     - QUALIFIES THE CHAR-STRING. MAY NOT BE SPECIFIED           00000350
              UNLESS 'CHAR-STRING' IS PRESENT.  FURTHER LIMITS          00000360
              EDITING TO THE FIRST 'COUNT' LINES IN THE RANGE           00000370
              LINE1-LINE2 WHICH CONTAIN THE STRING.                     00000380
))SNUM      - SUPPRESSES LINE NUMBERS AND PROMPTS WHILE EDITING.        00000390
              MOST USEFUL ON TERMINALS WITH LIMITED WIDTH.              00000400
))EDITING OPERANDS -                                                    00000410
  EDITING IS ACCOMPLISHED BY WAITING FOR THE SYSTEM TO DISPLAY          00000420
  THE LINE (AND A PROMPT, IF LINE NUMBERS ARE PRESENT) AND THEN         00000430
  SPACING UNDER THE LINE TO ANY DESIRED POSITION, AND ENTERING          00000440
  REPLACEMENT TEXT AND/OR ANY OF THE SPECIAL OPERANDS AS                00000450
  FOLLOWS:                                                              00000460
                                                                        00000470
    REPLACEMENT TEXT - ANY CHARACTER ENTERED (EXCEPT THE BLANK)         00000480
                       REPLACES THE CHARACTER UNDER WHICH IT IS         00000490
                       POSITIONED. ANY NUMBER OF NEW CHARACTERS         00000500
                       MAY BE ENTERED, IN ANY COMBINATION OF            00000510
                       POSITIONS.                                       00000520
     "INSERT STRING" - ANY STRING ENCLOSED IN DOUBLE QUOTES             00000530
                       WILL BE INSERTED IN THE LINE IMMEDIATELY         00000540
                       PRECEDING THE CHARACTER UNDER WHICH THE          00000550
                       FIRST QUOTE IS POSITIONED.  THE LINE WILL        00000560
                       BE TRUNCATED IF NECESSARY.                       00000570
               <     - THE LEFT-FACING CARAT (LESS-THAN SIGN) WILL      00000580
                       DELETE THE CHARACTER UNDER WHICH IT IS           00000590
                       POSITIONED AND SHIFT THE REMAINDER OF THE        00000600
                       LINE ONE COLUMN LEFT, TO ELIMINATE THE           00000610
                       BLANK COLUMN.                                    00000620
               |     - THE VERTICAL BAR (BROKEN VERTICAL BAR            00000630
                       IN ASCII) WILL DELETE THE CHARACTER UNDER        00000640
                       WHICH IT IS POSITIONED WITHOUT SHIFTING THE      00000650
                       LINE, THUS CREATING A BLANK COLUMN.              00000660
               >     - THE RIGHT-FACING CARAT (GREATER-THAN SIGN)       00000670
                       WILL INSERT ONE NEW BLANK IMMEDIATELY            00000680
                       PRECEDING THE CHARACTER UNDER WHICH IT IS        00000690
                       POSITIONED, SHIFTING THE REMAINDER OF THE        00000700
                       LINE ONE COLUMN TO THE RIGHT. THE LINE WILL      00000710
                       BE TRUNCATED IF NECESSARY.                       00000720
               !     - THE EXCLAMATION POINT DELETES THE CHARACTER      00000730
                       UNDER WHICH IT IS POSITIONED, AND THE            00000740
                       ENTIRE REST OF THE LINE.                         00000750
  NOTE -                                                                00000760
    ANY NUMBER OF EDIT INSTRUCTIONS MAY BE ENTERED ON EACH PASS.        00000770
    THEY MAY BE COMBINED IN ANY LOGICAL WAY TO ACCOMPLISH THE           00000780
    DESIRED CHANGES.  AFTER EACH NON-NULL CARRIAGE RETURN, THE          00000790
    RESULTANT LINE IS DISPLAYED, AND FURTHER EDITING MAY BE             00000800
    PERFORMED IN SUBSEQUENT PASSES.                                     00000810
