checknr man page on Ultrix

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checknr(1)							    checknr(1)

       checknr - check nroff/troff files

       checknr	[-s]  [-f]  [-a.x1.y1.x2.y2.  ... .xn.yn] [-c.x1.x2.x3... .xn]

       The command checks a list of or input files for certain kinds of errors
       involving  mismatched  opening  and closing delimiters and unknown com‐
       mands.  If no files are specified, checks the standard  input.	Delim‐
       iters checked are:

       5      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 command knows about the and macro packages.

       The command is intended to be used on documents that are prepared  with
       in  mind,  much the same as 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
       directly go into the next font or explicitly specify the original  font
       or  point  size,	 and  many existing documents actually do this, such a
       practice will produce complaints from Since it is  probably  better  to
       use the \fP and \s0 forms anyway, you should think of this as a contri‐
       bution to your document preparation style.

       -a   Allows additional pairs of macros to be added to the  list.	  This
	    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 exam‐
	    ple, to define a pair .BS and .ES, use -a.BS.ES.

       -c   Defines commands otherwise complained about as undefined.

       -f   Ignores \f font changes.

       -s   Ignores \s size changes.

       There is no way to define a 1 character macro name using -a.
       Does not correctly recognize certain  reasonable	 characters,  such  as

       Complaints about unmatched delimiters.

       Complaints about unrecognized commands.

       Various complaints about the syntax of commands.

See Also
       eqn(1), nroff(1), troff(1), ms(7), me(7)


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