SET PREFIX - set prefix area attributes
Syntax:
  [SET] PREfix ON [Left|Right] [n [m]]

  [SET] PREfix Nulls [Left|Right] [n [m]]

  [SET] PREfix OFF

  [SET] PREfix Synonym newname oldname

Description:
  The first form of the SET PREFIX command allows the user to display the prefix area and optionally to select the position were the prefix should be displayed.

  The second form of the SET PREFIX command is functionally the same as the first form. The difference is that when the prefix area is displayed with SET NUMBER ON, numbers are displayed with leading spaces rather than zeros; with SET NUMBER OFF, blanks are displayed instead of equal signs.

  The third form, turns the display of the prefix area off. Executed from within the profile, the only effect is that the defaults for all files is changed. Executed from the command line, the SET PREFIX command changes the current window displays to reflect the required options.

  The fourth form of the SET PREFIX command allows the user to specify a synonym for a prefix command or Rexx prefix macro. The newname is the command entered in the prefix area and oldname corresponds to an existing prefix command or a Rexx macro file in the MACROPATH ending in .the or whatever the value of SET MACROEXT is at the time the prefix command is executed. The oldname can also be the fully qualified filename of a Rexx macro. To turn off a prefix synonym, call SET PREFIX newname oldname where newname and oldname are the same and newname is an existing prefix command or macro.

  The first and second forms of the SET PREFIX command allows the user to specify the width of the prefix area and optionally a gap between the prefix area and the filearea. m can be specified as an unsigned number between 2 and 20 inclusive. n can be specified as an unsigned number between 0 and 18, but less than the number specified in m .

Compatibility:
  XEDIT: Compatible.
  KEDIT: Compatible.
  Specification of prefix width ang gap is a THE-only option. Kedit has
  SET PREFIXWIDTH to set prefix width, but not gap.

Default:
  ON Left 6 0

Status:
  Complete.

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