question: public String decode ( String pString , String charset ) throws DecoderException , UnsupportedEncodingException { if ( pString == null ) { return null ; } return new String ( decode ( pString . getBytes ( StringEncodings . US_ASCII ) ) , charset ) ; }
target:  Decodes a quoted-printable string into its original form using the specified string charset. Escaped characters are converted back to their original representation.