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checknr(1)							    checknr(1)

NAME
       checknr - check nroff/troff files

SYNOPSIS
       ...  ...c [file ...]

DESCRIPTION
       searches a list of or input files for certain kinds of errors involving
       mismatched opening and closing delimiters and unknown commands.	If  no
       files  are  specified, searches the standard input.  looks for the fol‐
       lowing:

	      ·	 Font changes using

	      ·	 Size changes using

	      ·	 Macros that come in open ... close forms,  such  as  the  and
		 macros, which must appear in matched pairs.

       knows about the and macro packages.

   Options
       recognizes the following options:

	      Define additional macro pairs in the list.
		    is followed by groups of six characters, each group defin‐
		    ing a pair of macros.  Each six characters	consist	 of  a
		    period, the first macro name, another period, and the sec‐
		    ond macro name.  For example, to define the pairs and  and
		    and use:

		    No	spaces	are  allowed  between the option and its argu‐
		    ments.

	      Define commands that
		    would otherwise interpret as undefined.

	      Ignore
		    font changes.

	      Ignore
		    size changes.

EXTERNAL INFLUENCES
   International Code Set Support
       Single-byte character code sets are supported.

DIAGNOSTICS
       complains about unmatched delimiters, unrecognized  commands,  and  bad
       command syntax.

EXAMPLES
       Check  file  for	 errors	 that  involve	mismatched opening and closing
       delimiters and unknown commands, but disregard errors  caused  by  font
       changes:

WARNINGS
       is designed for use on documents prepared with the intent of using much
       the same as is used.  It expects a certain document writing  style  for
       and  commands,  in which each is terminated with and each is terminated
       with Although text files format properly when the next  font  or	 point
       size is coded directly instead of using or such techniques produce com‐
       plaints from checknr.  If files are to be examined by checknr, the  and
       delimiting conventions should be used.

       cannot be used to define single-character macro names.

       does not recognize certain reasonable constructs such as conditionals.

AUTHOR
       was developed by the University of California, Berkeley.

SEE ALSO
       checkeq(1), lint(1), nroff(1).

								    checknr(1)

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