this.duplicateTermRemoved = duplicateTermRemoved;
            return this;
        }

        public TextNormalizeContext spaceChars(final int[] spaceChars) {
            this.spaceChars = spaceChars;
            return this;
        }
    }

    public static TextNormalizeContext normalizeText(final Reader reader) {
        return new TextNormalizeContext(reader);

            c[ci++] = ':';
            do {
                if( si == length ) {
                    int n = 16 - s;
                    System.arraycopy( SPACE_CHARS, 0, c, ci, n * 3 );
                    ci += n * 3;
                    System.arraycopy( SPACE_CHARS, 0, d, s, n );
                    break;
                }
                c[ci++] = ' ';
                i = src[srcIndex + si] & 0xFF;