copy edit matchsep fix
copy edit matchsep fix

astropy/astropy,astropy/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,pllim/astropy,mhvk/astropy,aleksandr-bakanov/astropy,bsipocz/astropy,mhvk/astropy,stargaser/astropy,aleksandr-bakanov/astropy,saimn/astropy,dhomeier/astropy,pllim/astropy,dhomeier/astropy,lpsinger/astropy,dhomeier/astropy,bsipocz/astropy,MSeifert04/astropy,pllim/astropy,StuartLittlefair/astropy,MSeifert04/astropy,lpsinger/astropy,StuartLittlefair/astropy,lpsinger/astropy,saimn/astropy,dhomeier/astropy,mhvk/astropy,mhvk/astropy,stargaser/astropy,stargaser/astropy,MSeifert04/astropy,larrybradley/astropy,pllim/astropy,lpsinger/astropy,MSeifert04/astropy,larrybradley/astropy,stargaser/astropy,mhvk/astropy,saimn/astropy,larrybradley/astropy,astropy/astropy,pllim/astropy,saimn/astropy,saimn/astropy,lpsinger/astropy,bsipocz/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,larrybradley/astropy,dhomeier/astropy,astropy/astropy,aleksandr-bakanov/astropy,larrybradley/astropy,astropy/astropy,bsipocz/astropy