(-1/2 + Sum[(a^n*QPochhammer[x/a, q, n])/QPochhammer[a*x, q, n], {n, 0, Infinity}])/ (1 + a) as a -> -1+ . (In terms of q-hypergeometric(s) in x and q). This gave me quite a tussle. If you crack it, please say how. After all else failed, I StringReverse["]}ytinifnI ,1 ,k{ ,)]k ,q ,x-[remmahhcoPQ*]k + 1 ,q ,1-[remmahhcoPQ( /)]k + 1- ,q ,q[remmahhcoPQ *k^x*)k*)k + 1-(*)2/1((^q*k^)1-(([muS*2 + 4/1 si ,1-=a rof ,hcihw ]}ytinifnI ,1 ,k{ ,)]k ,q ,x*a[remmahhcoPQ*]k + 1 ,q ,a[remmahhcoPQ( \ /)]k + 1- ,q ,q*2^a[remmahhcoPQ*k^x*)k*)k + 1-(*)2/1((^q*k^)1-(([muS *)a + 1-(- )))a + 1-(*2(/1(- :1+a eht delecnac hcihw morf eno gnidnif yllanif ,dnatimil eht demrofsnart hcihw sruotnoc xirtam dehcraes ylmodnar tsuj"] --rwg The spellchecker likes demrofsnart? Oh, it's on the same line as (").