All elements in PUBTYPE and equivalent wrappers can define strings that always precede (PRECEEDING) or follow the element. These may e.g. be punctuation characters or whitespace to separate the entries. In some cases the SEPARATOR element may be more appropriate.
<PUBDATE FORMAT="YES" SEQUENCE="MDY" MONTHFORMAT="ARABICMONTH" DAYFORMAT="ARABICDAY" YEARFORMAT="FOURDIGIT" PADLEADINGZERO="NN" ROLE="PRIMARY"> <FIRSTSEP>/</FIRSTSEP> <SECONDSEP>/</SECONDSEP> <FOLLOWING>. </FOLLOWING> </PUBDATE>