mtext_property_start -

       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_property_start(3m17n)

       Return the start position of a text property. The mtext_property_start() function returns the start
       position of text property prop. The start position is a character position of an M-text where prop
       begins. If prop is detached, it returns -1.

       mtext_property_start -

       int mtext_property_start (MTextProperty * prop)