code: public static String getPDBConservation(boolean web, char c1, char c2, boolean similar) {
  		return getPDBString(web, c1, c2, similar, "|", ".", " ", web ? "&nbsp;" : " ");
  	}
docs: Creates formatted String for displaying conservation in PDB output
  
  @param web true for HTML display
  @param c1 character in first sequence
  @param c2 character in second sequence
  @param similar true if c1 and c2 are considered similar compounds
  @return formatted String