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.RIGHT MARGIN 80.JUSTIFY.USE'.OUTPUT WIDTH 59.OUTPUT LENGTH 10
.PROGRAM
      SUBROUTINE REHELP(ITTY)
C     RENBR(REHLP6/DIALOG OF SWITCHES THEN NAMES 1 PER LINE
C
C     DONALD BARTH, HARVARD BUSINESS SCHOOL
C
.PREFACE       WRITE(ITTY,$)
.TEXT
 This program renumbers and/or lists FORTRAN programs.
The user will first be asked to specify whatever options are
desired.
If the user specifies an option which logically applies only to a listing,
then a listing is generated.  Likewise, if the user specifies an option
which logically applies only when renumbering, then the FORTRAN text will be
renumbered.  If both listing and renumbering are requested at the same time,
then it will be the FORTRAN text after renumbering which is listed.
All of the options specified by the user must be typed on a single line.
The user does not need to specify
any option for which the standard value is acceptable, with the exception,
of course, that enough options must be specified to select whether listing
or renumbering is to be performed.
.skip

Each option is specified by typing a letter or a letter with a
following number or numbers.  These letter and number combinations
      can have the forms /letter
 or /letter:number  or  /letter:number:number  where the initial
 slash  and  the colons  are  optional.   Thus  A5 and L60#66 are
 equivalent to /A:5 and /L:60:66 respectively.
.skip
If a listing is requested, then the user
will be asked for a title to be placed at the top of each page, and for
the name of the file to which the listing is to be written.
If renumbering is requested, then the user
will be asked for the name of the file into which the renumbered
text is to be copied.
After these resulting files have been specified, the user will be
asked to specify the name of the first or only file to be processed.
.skip
The user will then be asked repeatedly
 to specify the next file to be processed.
If the user specifies a second or a subsequent
file, then the text resulting from the processing of these additional files
 will be appended to the same listing
or renumbered files as the first.  Usually, only a single file should be
processed if the file is being renumbered.  This single file would contain
as many routines as are convenient.
However, several related files
might be listed at the same time so that they appear together
in a single listing with
a single table of contents.
Once all of the files which are to be processed at the same time
have been specified,
the user should merely press
the RETURN key when asked to specify the next file.
The user will then be asked to specify the
options for the next file or files which are to be processed separately
from those already processed.  If no more files are to be processed
at this time, then the user should merely press the RETURN key again
to exit from the program.
.SKIP
The letters which can be used to select the various options are listed below.
.SKIP.LEFT MARGIN 2
.INDENT-2
 A#followed by number of spaces to add left of statements  in
   IF THEN block or in DO loop.  /A or /A:0 equals /A:1
.INDENT-2
 B#followed by smallest statement number in renumbered output
.INDENT-2
 C#column formatted renumbered output with statement  numbers
   ending in column 5.  Statement text will start in column 7
.INDENT-2
 E#followed by number of extra tables  of  contents.   /E  or
   /E:0 equals /E:1
.INDENT-2
 F#listing device has form feed.  Pages in  listing  will  be
   separated  by  form  feeds if output is to LPT device.  /F
   can be followed by number of lines printable per page.  /F
   or /F:0 equals /F:60
.INDENT-2
 G#followed by number of blank lines  to  be  listed  between
   FORTRAN  statements.   No  extra  blank  lines  are listed
   between comment lines.  /G or /G:0 equals /G:1
.INDENT-2
 I#followed  by  increment  between  statement   numbers   in
   renumbered  output.  Negative increment, such as specified
   by  /I:-1,  gives  smallest  number  at  end  of  program.
   Smallest number will be absolute value of increment unless
   /B specifies non-zero smallest number.  /I or /I:0  equals
   /I:1
.INDENT-2
 J#followed by number of blank lines to be at top of 1st,  at
   bottom  of  2nd  and  top  of 3rd pages, etc.  This can be
   followed by number of blank lines to be at bottom of  1st,
   at  top  of 2nd and bottom of 3rd pages, etc.  These blank
   lines are inserted to allow top binding of unburst fanfold
   paper   and  must  be  included  in  printing  line  limit
   specified by /F or /L
.INDENT-2
 K#long lines are to be kept intact in listing
.INDENT-2
 L#pages in listing will be separated by counted line  feeds.
   /L  can be followed by number of lines printable per page.
   This can be followed by total number of  lines  per  page.
   /S:0  is  assumed if /S has not already been selected.  /L
   or /L:0 equals /L:60:66
.INDENT-2
 M#if issued not followed by a number, old statement  numbers
   are maintained.  If M is followed by 2 numbers, then these
   are lowest and highest statement numbers to be modified
.INDENT-2
 P#followed by first page number  in  listing.   /P  or  /P:0
   equals /P:1
.INDENT-2
 S#followed by number of characters printable  beyond  normal
   right  margin.   Excess  characters are right justified on
   following line.  /S or  /S:0  gives  70  character  lines.
   /S:13 equals /K
.INDENT-2
 T#tab  formatted  renumbered  output.   Tab  character  will
   precede statement text
.INDENT-2
 U#column formatted renumbered output with statement  numbers
   starting in column 1.  Statement text will start in column
   7
.INDENT-2
 V#listing is to be viewed  on this terminal.    Only 1 input
   file can be specified
.INDENT-2
 W#followed by width of tab stop  columns  to  be  used  when
   converting  tabs  to  spaces  in  comment  lines.  Tabs in
   comment lines  are  not  converted  in  renumbered  output
   unless /W is typed.  /W or /W:0 equals /W:8
.SKIP.LEFT MARGIN 0
 Listing is requested by /E, /F, /G, /J,  /K,  /L,  /P,
 /S and /V.   The default options are initial page number 1, form
 feeds,  intact long lines,  single spacing,  and 1  table of
 contents.
.SKIP
 Renumbered is requested by /B, /C, /I, /M, /T and /U.
The default options are smallest statement number 1, increment 1
 and column format.
.SKIP.EJECT
.PROGRAM
      RETURN
      END