Returns the string used for htmlTable to number the different tables.
Uses options table_counter, table_counter_str,
and table_counter_roman to produce the final string. You
can set each option by simply calling options().
prTblNo(caption)caption
string Returns a string formatted according to
the table_counter_str and table_counter_roman. The number is
decided by the table_counter variable
Other hidden helper functions for htmlTable: prAddCells,
prAddSemicolon2StrEnd,
prEscapeHtml,
prGetCgroupHeader,
prGetRowlabelPos, prGetStyle,
prPrepareAlign,
prPrepareCgroup