mtext_copy -

       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_copy(3m17n)

       Copy characters in the specified range into an M-text. The mtext_copy() function copies the text between
       from (inclusive) and to (exclusive) in M-text mt2 to the region starting at pos in M-text mt1 while
       inheriting the text properties. The old text in mt1 is overwritten and the length of mt1 is extended if
       necessary.  mt2 is not modified.

           MERROR_RANGE

       mtext_copy -

           If the operation was successful, mtext_copy() returns a pointer to the modified mt1. Otherwise, it
           returns NULL and assigns an error code to the external variable merror_code.

mtext_cpy(), mtext_ncpy()

MText* mtext_copy (MText * mt1, int pos, MText * mt2, int from, int to)