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CHECKNR(1) NetBSD General Commands Manual CHECKNR(1)
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checknr -- check nroff/troff files
checknr [-fs] [-a.x1.y1.x2.y2. ... .xn.yn] [-c.x1.x2.x3 ... .xn] file
checknr checks a list of nroff(1) or troff(1) input files for certain
kinds of errors involving mismatched opening and closing delimiters and
unknown commands. If no files are specified, checknr checks the standard
Recognized options are:
-a Add additional pairs of macros to the list of known macros.
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 example, to define a pair .BS and .ES, use
-c Define commands which would otherwise be complained about as
-f Request checknr to ignore `\f' font changes.
-s Ignore `\s' size changes.
Delimiters checked are:
1. Font changes using \fx ... \fP.
2. Size changes using \sx ... \s0.
3. Macros that come in open ... close forms, for example, the .TS
and .TE macros which must always come in pairs.
checknr is intended for use on documents that are prepared with checknr
in mind, much the same as lint(1). 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 checknr. Since it is probably bet-
ter to use the `\fP' and `\s0' forms anyway, you should think of this as
a contribution to your document preparation style.
checknr knows about the ms(7) and me(7) macro packages, as well as the
macros from mdoc(7).
Complaints about unmatched delimiters. Complaints about unrecognized
commands. Various complaints about the syntax of commands.
nroff(1), troff(1), mdoc(7), me(7), ms(7)
The checknr command appeared in 4.0BSD. Basic mdoc(7) support appeared
in NetBSD 1.6.
There is no way to define a 1 character macro name using -a.
Does not correctly recognize certain reasonable constructs, such as con-
mdoc(7) macros that are not at the beginning of the line are not recog-
nized. Among others, this results in too many `Unmatched Zz' errors.
NetBSD 9.99 January 21, 2002 NetBSD 9.99
Modified for NetBSD
by Kimmo Suominen