diff --git a/lib/msun/man/acos.3 b/lib/msun/man/acos.3
--- a/lib/msun/man/acos.3
+++ b/lib/msun/man/acos.3
@@ -60,7 +60,7 @@
 radians.
 If:
 .Bd -unfilled -offset indent
-.Pf \&| Ns Ar x Ns \&| > 1 ,
+.Pf \&| Ns Fa x Ns \&| > 1 ,
 .Ed
 .Pp
 .Fn acos x
diff --git a/lib/msun/man/acosh.3 b/lib/msun/man/acosh.3
--- a/lib/msun/man/acosh.3
+++ b/lib/msun/man/acosh.3
@@ -55,13 +55,13 @@
 functions compute the inverse hyperbolic cosine
 of the real
 argument
-.Ar x .
+.Fa x .
 For a discussion of error due to roundoff, see
 .Xr math 3 .
 .Sh RETURN VALUES
 These functions
 return the inverse hyperbolic cosine of
-.Ar x .
+.Fa x .
 If the argument is less than 1,
 .Fn acosh
 raises an invalid exception and returns an \*(Na.
diff --git a/lib/msun/man/asin.3 b/lib/msun/man/asin.3
--- a/lib/msun/man/asin.3
+++ b/lib/msun/man/asin.3
@@ -62,7 +62,7 @@
 radians.
 If:
 .Bd -unfilled -offset indent
-.Pf \&| Ns Ar x Ns \&| > 1
+.Pf \&| Ns Fa x Ns \&| > 1
 .Ed
 .Pp
 .Fn asin x
diff --git a/lib/msun/man/asinh.3 b/lib/msun/man/asinh.3
--- a/lib/msun/man/asinh.3
+++ b/lib/msun/man/asinh.3
@@ -55,13 +55,13 @@
 functions compute the inverse hyperbolic sine
 of the real
 argument
-.Ar x .
+.Fa x .
 For a discussion of error due to roundoff, see
 .Xr math 3 .
 .Sh RETURN VALUES
 These functions
 return the inverse hyperbolic sine of
-.Ar x .
+.Fa x .
 .Sh SEE ALSO
 .Xr acosh 3 ,
 .Xr atanh 3 ,
diff --git a/lib/msun/man/atan2.3 b/lib/msun/man/atan2.3
--- a/lib/msun/man/atan2.3
+++ b/lib/msun/man/atan2.3
@@ -63,7 +63,7 @@
 and
 .Fn atan2l
 functions compute the principal value of the arc tangent of
-.Fa y/ Ns Ar x ,
+.Fa y/ Ns Fa x ,
 using the signs of both arguments to determine the quadrant of
 the return value.
 .Pp
@@ -94,7 +94,7 @@
 .Fn atan2l
 functions, if successful,
 return the arc tangent of
-.Fa y/ Ns Ar x
+.Fa y/ Ns Fa x
 in the range
 .Bk -words
 .Bq \&- Ns \*(Pi , \&+ Ns \*(Pi
@@ -105,22 +105,22 @@
 .It Fn atan2 y x No := Ta
 .Fn atan y/x Ta
 if
-.Ar x
+.Fa x
 > 0,
-.It Ta sign( Ns Ar y Ns )*(\*(Pi -
+.It Ta sign( Ns Fa y Ns )*(\*(Pi -
 .Fn atan "\*(Bay/x\*(Ba" ) Ta
 if
-.Ar x
+.Fa x
 < 0,
 .It Ta
 .No 0 Ta
 if x = y = 0, or
 .It Ta
-.Pf sign( Ar y Ns )*\*(Pi/2 Ta
+.Pf sign( Fa y Ns )*\*(Pi/2 Ta
 if
-.Ar x
+.Fa x
 = 0 \(!=
-.Ar y .
+.Fa y .
 .El
 .Sh NOTES
 The function
diff --git a/lib/msun/man/atanh.3 b/lib/msun/man/atanh.3
--- a/lib/msun/man/atanh.3
+++ b/lib/msun/man/atanh.3
@@ -55,18 +55,18 @@
 functions compute the inverse hyperbolic tangent
 of the real
 argument
-.Ar x .
+.Fa x .
 For a discussion of error due to roundoff, see
 .Xr math 3 .
 .Sh RETURN VALUES
 These functions
 return the inverse hyperbolic tangent of
-.Ar x
+.Fa x
 if successful.
 If the argument has absolute value 1, a divide-by-zero exception
 is raised and an infinity is returned.
 If
-.Ar |x|
+.Fa |x|
 > 1, an invalid exception is raised and an \*(Na is returned.
 .Sh SEE ALSO
 .Xr acosh 3 ,
diff --git a/lib/msun/man/ccos.3 b/lib/msun/man/ccos.3
--- a/lib/msun/man/ccos.3
+++ b/lib/msun/man/ccos.3
@@ -31,7 +31,7 @@
 .Nm ccos ,
 .Nm ccosf ,
 .Nm csin ,
-.Nm csinf
+.Nm csinf ,
 .Nm ctan ,
 .Nm ctanf
 .Nd complex trigonometric functions
diff --git a/lib/msun/man/ccosh.3 b/lib/msun/man/ccosh.3
--- a/lib/msun/man/ccosh.3
+++ b/lib/msun/man/ccosh.3
@@ -31,7 +31,7 @@
 .Nm ccosh ,
 .Nm ccoshf ,
 .Nm csinh ,
-.Nm csinhf
+.Nm csinhf ,
 .Nm ctanh ,
 .Nm ctanhf
 .Nd complex hyperbolic functions
diff --git a/lib/msun/man/exp.3 b/lib/msun/man/exp.3
--- a/lib/msun/man/exp.3
+++ b/lib/msun/man/exp.3
@@ -108,9 +108,9 @@
 .Fn powl
 functions compute the value
 of
-.Ar x
+.Fa x
 to the exponent
-.Ar y .
+.Fa y .
 .Sh ERROR (due to Roundoff etc.)
 The values of
 .Fn exp 0 ,
@@ -181,8 +181,8 @@
 and infinite x, i.e., independently of x.
 .El
 .Sh SEE ALSO
-.Xr clog 3
-.Xr cpow 3
+.Xr clog 3 ,
+.Xr cpow 3 ,
 .Xr fenv 3 ,
 .Xr ldexp 3 ,
 .Xr log 3 ,
diff --git a/lib/msun/man/sincos.3 b/lib/msun/man/sincos.3
--- a/lib/msun/man/sincos.3
+++ b/lib/msun/man/sincos.3
@@ -67,13 +67,13 @@
 and
 .Fn sincosl ,
 the memory pointed to by
-.Ar "*s"
+.Fa "*s"
 and
-.Ar "*c"
+.Fa "*c"
 are assigned the values of sine and cosine, respectively.
 .Sh SEE ALSO
 .Xr cos 3 ,
-.Xr sin 3 ,
+.Xr sin 3
 .Sh HISTORY
 These functions were added to
 .Fx 9.0
diff --git a/lib/msun/man/sqrt.3 b/lib/msun/man/sqrt.3
--- a/lib/msun/man/sqrt.3
+++ b/lib/msun/man/sqrt.3
@@ -63,7 +63,7 @@
 .Fn cbrtl
 functions compute
 the cube root of
-.Ar x .
+.Fa x .
 .Pp
 The
 .Fn sqrt ,
@@ -72,7 +72,7 @@
 .Fn sqrtl
 functions compute the
 non-negative square root of
-.Ar x .
+.Fa x .
 .Sh RETURN VALUES
 The
 .Fn cbrt ,