HREF="../../../../org/apache/fop/fo/Constants.html#PR_WRITING_MODE">PR_WRITING_MODE</A>, <A HREF="../../../../org/apache/fop/fo/Constants.html#PR_X_ALT_TEXT">PR_X_ALT_TEXT</A>, <A HREF="../../../../org/apache/fop/fo/Constants.html#PR_X_BLOCK_PROGRESSION_UNIT">PR_X_BLOCK_PROGRESSION_UNIT</A>, <A HREF="../../../../org/apache/fop/fo/Constants.html#PR_X_DISABLE_COLUMN_BALANCING">PR_X_DISABLE_COLUMN_BALANCING</A>, <A HREF="../../../../org/apache/fop/fo/Constants.html#PR_X_NUMBER_CONVERSION_FEATURES">PR_X_NUMBER_