This function is useless now, as the processing of images
is automated when using print.rdocx().
See also
Other functions for officer extensions:
docx_reference_img(),
fortify_location(),
get_reference_value(),
opts_current_table(),
shape_properties_tags(),
str_encode_to_rtf(),
to_html(),
to_pml(),
to_rtf(),
to_wml()
