question: protected String openTag ( String tag ) { if ( ! tags . containsKey ( tag ) ) { tags . put ( tag , new Integer ( clearedText . length ( ) ) ) ; } return "" ; }
target:  handles bold <b>, italic <i>, superscript <sup>, subscript <sub>, vertical <v>, overline <over>, underline <u>, strikethrough <s>, underline dashed <udash>, underline dotted <udot> and typewriter <tt>