C<is_nan()>) return true or false, while others (C<bcmp()>, C<bacmp()>)
return either undef, <0, 0 or >0 and are suited for sort.
-Actual math is done by using the class defined with C<with => Class;> (which
+Actual math is done by using the class defined with C<< with => Class; >> (which
defaults to BigInts) to represent the mantissa and exponent.
The sign C</^[+-]$/> is stored separately. The string 'NaN' is used to
$x->accuracy(undef);
Math::BigInt->accuracy(undef);
-Returns the current accuracy. For C<$x->accuracy()> it will return either the
-local accuracy, or if not defined, the global. This means the return value
+Returns the current accuracy. For C<< $x->accuracy() >> it will return either
+the local accuracy, or if not defined, the global. This means the return value
represents the accuracy that will be in effect for $x:
$y = Math::BigInt->new(1234567); # unrounded
$x->precision(undef);
Math::BigInt->precision(undef);
-Returns the current precision. For C<$x->precision()> it will return either the
-local precision of $x, or if not defined, the global. This means the return
+Returns the current precision. For C<< $x->precision() >> it will return either
+the local precision of $x, or if not defined, the global. This means the return
value represents the prevision that will be in effect for $x:
$y = Math::BigInt->new(1234567); # unrounded
=item *
-The private object hash keys like C<$x->{sign}> may not be changed, but
-additional keys can be added, like C<$x->{_custom}>.
+The private object hash keys like C<< $x->{sign} >> may not be changed, but
+additional keys can be added, like C<< $x->{_custom} >>.
=item *