.BR raw (8).
.TP
.B O_DIRECTORY
-If \fIpathname\fR is not a directory, cause the open to fail.
+If \fIpathname\fP is not a directory, cause the open to fail.
.\" But see the following and its replies:
.\" http://marc.theaimsgroup.com/?t=112748702800001&r=1&w=2
.\" [PATCH] open: O_DIRECTORY and O_CREAT together should fail
process does not have one.
.TP
.B O_NOFOLLOW
-If \fIpathname\fR is a symbolic link, then the open fails.
+If \fIpathname\fP is a symbolic link, then the open fails.
This is a FreeBSD extension, which was added to Linux in version 2.1.126.
Symbolic links in earlier components of the pathname will still be
followed.
.\" The headers from glibc 2.0.100 and later include a
.\" definition of this flag; \fIkernels before 2.1.126 will ignore it if
-.\" used\fR.
+.\" used\fP.
.TP
.BR O_NONBLOCK " or " O_NDELAY
When possible, the file is opened in non-blocking mode.
.B ELOOP
Too many symbolic links were encountered in resolving
.IR pathname ,
-or \fBO_NOFOLLOW\fR was specified but
+or \fBO_NOFOLLOW\fP was specified but
.I pathname
was a symbolic link.
.TP
.B ENOTDIR
A component used as a directory in
.I pathname
-is not, in fact, a directory, or \fBO_DIRECTORY\fR was specified and
+is not, in fact, a directory, or \fBO_DIRECTORY\fP was specified and
.I pathname
was not a directory.
.TP
.BR O_SYNC " and " O_NDELAY .
POSIX provides for three different variants of synchronized I/O,
-corresponding to the flags \fBO_SYNC\fR, \fBO_DSYNC\fR and
-\fBO_RSYNC\fR.
+corresponding to the flags \fBO_SYNC\fP, \fBO_DSYNC\fP and
+\fBO_RSYNC\fP.
Currently (2.1.130) these are all synonymous under Linux.
Note that