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       mtext_line_break - Find a linebreak postion of an M-text.


       int mtext_line_break (MText * mt, int pos, int option, int * after)


       Find a linebreak postion of an M-text. The mtext_line_break() function checks if position
       pos is a proper linebreak position of an M-text mt according to the algorithm of The
       Unicode Standard 4.0 UAX#14. It so, it returns pos.  Otherwise, it returns a proper
       linebreak position before pos.

       If option is nonzero, it controls the algorithm by logical-or of the members of

       If after is not NULL, a proper linebreak position after pos is stored there.


       Copyright (C) 2001 Information-technology Promotion Agency (IPA)
       Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology
       Permission is granted to copy, distribute and/or modify this document under the terms of
       the GNU Free Documentation License <>.