rem: void set(const QCString & s) { RMessageComponent::set(s); }
add: REnvelope::set(HeaderType t, const QCString & s) { parse();  RHeader * h = new RHeader(s);  for (RHeaderListIterator it(headerList_); it.current(); ++it) if (0 == stricmp(it.current()->headerName(), h->headerName())) headerList_.remove(it.current());  headerList_.append(h); }
context: 		void set(const QCString & s)		{ RMessageComponent::set(s); }