transaction ID (xaction) field in the given message.
The field is a fixed length, gated by the constant &cw(RMR_MAX_XID) and if string length is larger
than this value, then &bold(nothing) will be copied. (Note, this differs slightly from the
-behaviour of the &cw( lrmr_bytes2xact() ) function.)
+behaviour of the &cw(lrmr_bytes2xact()) function.)
&beg_dlist(.75i : ^&bold_font )
&h2(RETURN VALUE)