question: public static String addFonts ( final String fontDirs , final String failed ) { final StringTokenizer fontPaths = new StringTokenizer ( fontDirs , "," ) ; while ( fontPaths . hasMoreTokens ( ) ) { String fontPath = fontPaths . nextToken ( ) ; if ( ! fontPath . endsWith ( "/" ) && ! fontPath . endsWith ( "\\" ) ) { fontPath += separator ; } addTTDir ( fontPath , failed ) ; } return failed ; }
target:  takes a comma separated list of font directories and add to substitution