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32 .\" @(#)checknr.1 8.1 (Berkeley) 6/6/93
33 .\" $FreeBSD: src/usr.bin/checknr/checknr.1,v 1.5.2.5 2002/07/15 04:29:39 keramida Exp $
34 .\" $DragonFly: src/usr.bin/checknr/checknr.1,v 1.4 2006/02/17 19:38:57 swildner Exp $
41 .Nd check nroff/troff files
45 .Op Fl a Ns Ar \&.x1.y1.x2.y2. ... \&.xn.yn
46 .Op Fl c Ns Ar \&.x1.x2.x3 ... \&.xn
51 utility checks a list of
55 input files for certain kinds of errors
56 involving mismatched opening and closing delimiters
58 If no files are specified,
60 checks the standard input.
62 The following options are available:
63 .Bl -tag -width indent
65 Add additional pairs of macros to the list of known macros.
66 This must be followed by groups of six characters, each group defining
68 The six characters are
72 and the second macro name.
73 For example, to define a pair .BS and .ES, use
76 Define commands which would otherwise be complained about
90 Delimiters checked are:
93 Font changes using \efx ... \efP.
95 Size changes using \esx ... \es0.
97 Macros that come in open ... close forms, for example,
98 the .TS and .TE macros which must always come in pairs.
103 utility is intended for use on documents that are prepared with
105 in mind, much the same as
107 It expects a certain document writing style for
114 must be terminated with
119 must be terminated with
121 While it will work to directly go into the next font or explicitly
122 specify the original font or point size,
123 and many existing documents actually do this,
124 such a practice will produce complaints from
126 Since it is probably better to use the
131 you should think of this as a contribution to your document
136 utility knows about the
143 Complaints about unmatched delimiters.
144 Complaints about unrecognized commands.
145 Various complaints about the syntax of commands.
159 There is no way to define a 1 character macro name using
162 Does not correctly recognize certain reasonable constructs,
163 such as conditionals.