whitespace fixes

doc/src/Howto_body.rst

@@ -416,7 +416,7 @@ by circles of diameter 0.5, is specified as follows:
 .. parsed-literal::
 
    1 3 13
-   2 1 1 
+   2 1 1
    0 1.33333 1.33333 0 0 0
    -2 0 0
    2 0 0

doc/src/compute_mliap.rst

@@ -57,7 +57,7 @@ The compute *mliap* command must be followed by two keywords
 *model* and *descriptor* in either order.
 
 The *model* keyword is followed by a model style, currently limited to
-either *linear* or *quadratic*. 
+either *linear* or *quadratic*.
 
 The *descriptor* keyword is followed by a descriptor style, and additional arguments.
 Currently the only descriptor style is *sna*, indicating the bispectrum component

doc/src/dihedral_quadratic.rst

@@ -45,7 +45,7 @@ commands:
 :math:`\phi_0` is specified in degrees, but LAMMPS converts it to
 radians internally; hence :math:`K` is effectively energy per
 radian\^2.
-  
+
 ----------
 
 Styles with a *gpu*\ , *intel*\ , *kk*\ , *omp*\ , or *opt* suffix are