XC32 1.43 sprintf error ? (Bob Thomlinson)

I seem to be getting some odd output from sprintf in a PIC32 MZ EF project with XC32 1.43 / MplabX 3.60.By way of illustration I havesprintf(strchr(m->obuf,'\0'),"%8lu.%01lu ",v/10,v%10);where 'v' is a DWORD.In the original PIC32 MX project this is being ..