man7/*: ffix: change '-' to '\-' for options and to '\(en' for a range

Change '-' to '\-' for the prefix of names to indicate an option.

  Change '-' to '\(en' for a range.

Signed-off-by: Bjarni Ingi Gislason <bjarniig@rhi.hi.is>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man7/bootparam.7

@@ -138,7 +138,7 @@ A symbolic specification has the form
 .IR /dev/XXYN ,
 where XX designates
 the device type (e.g., 'hd' for ST-506 compatible hard disk, with Y in
-\&'a'-'d'; 'sd' for SCSI compatible disk, with Y in 'a'-'e'),
+\&'a'\(en'd'; 'sd' for SCSI compatible disk, with Y in 'a'\(en'e'),
 Y the driver letter or
 number, and N the number (in decimal) of the partition on this device.
 .IP
@@ -485,7 +485,7 @@ for older kernels) in the Linux kernel source.
 .B "IDE Disk/CD-ROM Driver Parameters"
 The IDE driver accepts a number of parameters, which range from disk
 geometry specifications, to support for broken controller chips.
-Drive-specific options are specified by using 'hdX=' with X in 'a'-'h'.
+Drive-specific options are specified by using 'hdX=' with X in 'a'\(en'h'.
 .IP
 Non-drive-specific options are specified with the prefix 'hd='.
 Note that using a drive-specific prefix for a non-drive-specific option

man7/cgroups.7

@@ -522,7 +522,7 @@ cgroup filesystem is mounted:
 .PP
 .in +4n
 .EX
-mount -o release_agent=pathname ...
+mount \-o release_agent=pathname ...
 .EE
 .in
 .PP
@@ -549,7 +549,7 @@ it is possible to mount a cgroup hierarchy that has no attached controllers:
 .PP
 .in +4n
 .EX
-mount -t cgroup -o none,name=somename none /some/mount/point
+mount \-t cgroup \-o none,name=somename none /some/mount/point
 .EE
 .in
 .PP
@@ -633,7 +633,7 @@ when mounting the cgroup v2 filesystem using a command such as the following:
 .PP
 .in +4n
 .EX
-mount -t cgroup2 none /mnt/cgroup2
+mount \-t cgroup2 none /mnt/cgroup2
 .EE
 .in
 .PP
@@ -670,7 +670,7 @@ during the boot process.
 .\"
 .SS Cgroups v2 mount options
 The following options
-.RI ( "mount -o" )
+.RI ( "mount \-o" )
 can be specified when mounting the group v2 filesystem:
 .TP
 .IR nsdelegate " (since Linux 4.15)"
@@ -791,7 +791,7 @@ or '\-' (to disable a controller), as in the following example:
 .IP
 .in +4n
 .EX
-echo '+pids -memory' > x/y/cgroup.subtree_control
+echo '+pids \-memory' > x/y/cgroup.subtree_control
 .EE
 .in
 .IP
@@ -1120,7 +1120,7 @@ option as follows:
 .PP
 .in +4n
 .EX
-mount -t cgroup2 -o remount,nsdelegate \e
+mount \-t cgroup2 \-o remount,nsdelegate \e
                  none /sys/fs/cgroup/unified
 .EE
 .in

man7/feature_test_macros.7

@@ -220,9 +220,9 @@ ISO Standard C.
 This macro is implicitly defined by
 .BR gcc (1)
 when invoked with, for example, the
-.I -std=c99
+.I \-std=c99
 or
-.I -ansi
+.I \-ansi
 flag.
 .TP
 .B _POSIX_C_SOURCE

man7/man.7

@@ -278,7 +278,7 @@ macro, with the optional
 (if present, usually a closing parenthesis and/or end-of-sentence
 punctuation) immediately following.
 For non-HTML output devices (e.g.,
-.BR "man -Tutf8" ),
+.BR "man \-Tutf8" ),
 the link text is followed by the URL in angle brackets; if there is no
 link text, the URL is printed as its own link text, surrounded by angle
 brackets.

man7/math_error.7

@@ -240,7 +240,7 @@ and POSIX.1.
 .PP
 The
 .BR gcc (1)
-.I "-fno-math-errno"
+.I "\-fno-math-errno"
 option causes the executable to employ implementations of some
 mathematical functions that are faster than the standard
 implementations, but do not set
@@ -248,9 +248,9 @@ implementations, but do not set
 on error.
 (The
 .BR gcc (1)
-.I "-ffast-math"
+.I "\-ffast-math"
 option also enables
-.IR "-fno-math-errno" .)
+.IR "\-fno-math-errno" .)
 An error can still be tested for using
 .BR fetestexcept (3).
 .SH SEE ALSO

man7/pid_namespaces.7

@@ -343,7 +343,7 @@ is:
 .PP
 .in +4n
 .EX
-$ mount -t proc proc /proc
+$ mount \-t proc proc /proc
 .EE
 .in
 .PP

man7/pthreads.7

@@ -856,7 +856,7 @@ is set to a value other than
 then this value defines the default stack size for new threads.
 To be effective, this limit must be set before the program
 is executed, perhaps using the
-.I ulimit -s
+.I ulimit \-s
 shell built-in command
 .RI ( "limit stacksize"
 in the C shell).