mtext_del -

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

Version 1.8.4                                    Mon Sep 25 2023                                mtext_del(3m17n)

       Delete characters in the specified range destructively. The mtext_del() function deletes the characters
       in the range from (inclusive) and to (exclusive) from M-text mt destructively. As a result, the length of
       mt shrinks by (to - from) characters.

           MERROR_RANGE

       mtext_del -

           If the operation was successful, mtext_del() returns 0. Otherwise, it returns -1 and assigns an error
           code to the external variable merror_code.

mtext_ins()

       int mtext_del (MText * mt, int from, int to)