- <li>\b United - all elements of Group1 of Mesh_1 and Group1 of Mesh_2
- become the elements of Group1 of the Compound_Mesh, or</li>
- <li>\b Renamed - Group1 of Mesh_1 becomes Group1_1 and Group1 of Mesh_2
- becomes Group1_2.</li>
+ <li>\b United - all elements of \em Group1 of \em Mesh_1 and \em
+ Group1 of \em Mesh_2 become the elements of \em Group1 of the
+ \em Compound_Mesh, or</li>
+ <li>\b Renamed - \em Group1 of \em Mesh_1 becomes \em Group1_1
+ and \em Group1 of \em Mesh_2 becomes \em Group1_2.</li>