On 10/27/2014 12:47 AM, Zhenqiang Chen wrote: > + @var{NULL} if the combination of @var{prev} and this comparison is\n\
@code{NULL} Otherwise ok. r~
On 10/27/2014 12:47 AM, Zhenqiang Chen wrote: > + @var{NULL} if the combination of @var{prev} and this comparison is\n\
@code{NULL} Otherwise ok. r~