convert to new api
convert to new api

this code looks suspiciously like a no-op, i.e. that the intent
is to append the generated string, but the old code threw
away the string, so not a new bug but in there since 2001

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core