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checknr(1)
NAME
  checknr - Checks nroff files

SYNOPSIS
  checknr [-fs] [-a.x1.y1.x2.y2 ... .xn.yn] [-c.x1.x2.x3 ... .xn] [file...]

  The checknr command checks a list of nroff input files for certain kinds of
  errors involving mismatched opening and closing delimiters and unknown
  commands.

OPTIONS
  -a.x1.y1.x2.y2 ... .xn.yn
      Adds pairs of macros to the list.	 This option must be followed by
      groups of six characters, each group defining a pair of macros. The six
      characters are a period, the first macro name, another period, and the
      second macro name. For example, to define a pair .BS and .ES, use
      -a.BS.ES.	 (You cannot use the -a option to define a 1-character macro
      name.)

  -c.x1.x2.x3 ... .xn
      Defines otherwise undefined commands.

  -f  Causes checknr to ignore \f font changes.

  -s  Causes checknr to ignore \s size changes.

DESCRIPTION
  If no files are specified, checknr checks the standard input.	 Delimiters
  checked are as follows:

    ·  Font changes using \fx ...  \fP.

    ·  Size changes using \sx ...  \s0.

    ·  Macros that come in open/close forms (for example, the .TS and .TE
       macros), which must always come in pairs.

  The checknr command can handle both the ms and me macro packages.

  The checknr command is intended to be used on documents that are prepared
  with checknr in mind, much the same as lint. It expects a certain document
  writing style for \f and \s commands, in that each \fx must be terminated
  with \fP and each \sx must be terminated with \s0. While it will work to go
  directly into the next font or explicitly specify the original font or
  point size, and many existing documents actually do this, such a practice
  produces error messages from checknr.

  The checknr command does not recognize certain reasonable constructs, such
  as conditionals.







SEE ALSO
  Commands:  deroff(1), neqn(1), nroff(1), tbl(1)