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NAME

       mtext_push_prop - Push a text property.

SYNOPSIS

       int mtext_push_prop (MText * mt, int from, int to, MSymbol key, void * val)

DESCRIPTION

       Push a text property. The mtext_push_prop() function pushes a text property whose key is
       key and value is val to the characters between from (inclusive) and to (exclusive) in
       M-text mt.  With this function,

                           FROM                    TO
       M-text: |<------------|-------- MT ---------|------------>|
       PROP  :  <------------------ OLD_VAL -------------------->

       becomes

                           FROM                    TO
       M-text: |<------------|-------- MT ---------|------------>|
       PROP  :  <------------------- OLD_VAL ------------------->
       PROP  :               <-------- VAL ------->

RETURN VALUE

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

ERRORS

           MERROR_RANGE, MERROR_SYMBOL

SEE ALSO

           mtext_put_prop(), mtext_put_prop_values(), mtext_get_prop(), mtext_get_prop_values(),
           mtext_pop_prop(), mtext_prop_range()

COPYRIGHT

       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>.