question: public String encode ( final String pString , final String charset ) throws EncoderException { if ( pString == null ) { return null ; } try { return encodeText ( pString , charset ) ; } catch ( UnsupportedEncodingException e ) { throw new EncoderException ( e . getMessage ( ) ) ; } }
target:  Encodes a string into its quoted-printable form using the specified charset. Unsafe characters are escaped.