Emphasise cctbx, smtbx, sgtbx, etc
LaTeX hyphens crystal-lographic: not nice
Minor typography
Cite Rollet (1965) only once
Do not capitalise hydrogen
Consistently italicise "e.g."
Clarify style
Consistently emphasise olex2.refine and phenix.refine
Clarify style again
Remove reference to olex2 there
Remove experimental code that messed up paragraph spacing