checknr(1) (BSD Compatibility Package) checknr(1)
NAME
checknr - check nroff and troff input files; report possible errors
SYNOPSIS
/usr/ucb/checknr [-fs] [-a.x1.y1.x2.y2 ... .xn.yn]
[-c.x1.x2.x3 ... .xn] [filename ...]
DESCRIPTION
The checknr command checks a list of nroff or troff input files for
certain kinds of errors involving mismatched opening and closing del-
imiters and unknown commands. If no files are specified, checknr
checks the standard input. Delimiters checked are:
- 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.
checknr knows about the ms and me macro packages.
checknr is intended to be used on documents that are prepared with
checknr in mind. 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 better to
use the \fP and \s0 forms anyway, you should think of this as a con-
tribution to your document preparation style.
OPTIONS
-f Ignore \f font changes.
-s Ignore \s size changes.
-a.x1.y1 ...
Add pairs of macros to the list. The pairs of macros are assumed
to be those (such as .DS and .DE) that should be checked for bal-
ance. The -a 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".
-c.x1 ...
Define commands (macros) which checknr would otherwise complain
about
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checknr(1) (BSD Compatibility Package) checknr(1)
NOTE
There is no way to define a one-character macro name using the -a
option.
SEE ALSO
eqn(1M), nroff(1M), troff(1M), me(5), ms(5).
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