Fix #8706, documenting that type operators are not promoted.
Fix #8706, documenting that type operators are not promoted.

urbanslug/ghc,da-x/ghc,vTurbine/ghc,TomMD/ghc,da-x/ghc,vikraman/ghc,oldmanmike/ghc,nkaretnikov/ghc,fmthoma/ghc,shlevy/ghc,acowley/ghc,sgillespie/ghc,tibbe/ghc,nushio3/ghc,GaloisInc/halvm-ghc,urbanslug/ghc,mcschroeder/ghc,anton-dessiatov/ghc,jstolarek/ghc,fmthoma/ghc,sgillespie/ghc,GaloisInc/halvm-ghc,vTurbine/ghc,gcampax/ghc,ml9951/ghc,GaloisInc/halvm-ghc,olsner/ghc,vikraman/ghc,jstolarek/ghc,green-haskell/ghc,sdiehl/ghc,fmthoma/ghc,sdiehl/ghc,mfine/ghc,snoyberg/ghc,anton-dessiatov/ghc,snoyberg/ghc,gcampax/ghc,GaloisInc/halvm-ghc,AlexanderPankiv/ghc,acowley/ghc,wxwxwwxxx/ghc,wxwxwwxxx/ghc,nushio3/ghc,christiaanb/ghc,olsner/ghc,shlevy/ghc,lukexi/ghc,wxwxwwxxx/ghc,nathyong/microghc-ghc,mcschroeder/ghc,da-x/ghc,urbanslug/ghc,green-haskell/ghc,elieux/ghc,anton-dessiatov/ghc,tjakway/ghcjvm,nkaretnikov/ghc,ezyang/ghc,acowley/ghc,GaloisInc/halvm-ghc,mfine/ghc,tjakway/ghcjvm,bitemyapp/ghc,TomMD/ghc,oldmanmike/ghc,nkaretnikov/ghc,tibbe/ghc,shlevy/ghc,vikraman/ghc,gcampax/ghc,elieux/ghc,fmthoma/ghc,ezyang/ghc,siddhanathan/ghc,spacekitteh/smcghc,da-x/ghc,anton-dessiatov/ghc,acowley/ghc,spacekitteh/smcghc,fmthoma/ghc,green-haskell/ghc,snoyberg/ghc,sdiehl/ghc,fmthoma/ghc,nathyong/microghc-ghc,AlexanderPankiv/ghc,wxwxwwxxx/ghc,gridaphobe/ghc,ezyang/ghc,anton-dessiatov/ghc,mcschroeder/ghc,elieux/ghc,mfine/ghc,mcschroeder/ghc,mettekou/ghc,jstolarek/ghc,tibbe/ghc,holzensp/ghc,jstolarek/ghc,green-haskell/ghc,mettekou/ghc,ezyang/ghc,shlevy/ghc,bitemyapp/ghc,wxwxwwxxx/ghc,bitemyapp/ghc,mettekou/ghc,gcampax/ghc,mfine/ghc,nkaretnikov/ghc,ezyang/ghc,TomMD/ghc,snoyberg/ghc,AlexanderPankiv/ghc,nushio3/ghc,holzensp/ghc,gridaphobe/ghc,shlevy/ghc,ghc-android/ghc,spacekitteh/smcghc,vTurbine/ghc,ryantm/ghc,nathyong/microghc-ghc,ml9951/ghc,siddhanathan/ghc,gridaphobe/ghc,TomMD/ghc,ghc-android/ghc,sgillespie/ghc,snoyberg/ghc,lukexi/ghc,tjakway/ghcjvm,siddhanathan/ghc,mcschroeder/ghc,christiaanb/ghc,oldmanmike/ghc,olsner/ghc,mfine/ghc,nathyong/microghc-ghc,holzensp/ghc,nushio3/ghc,mfine/ghc,sdiehl/ghc,olsner/ghc,AlexanderPankiv/ghc,tibbe/ghc,sgillespie/ghc,ml9951/ghc,vikraman/ghc,nkaretnikov/ghc,frantisekfarka/ghc-dsi,tjakway/ghcjvm,forked-upstream-packages-for-ghcjs/ghc,urbanslug/ghc,AlexanderPankiv/ghc,vikraman/ghc,olsner/ghc,lukexi/ghc,acowley/ghc,urbanslug/ghc,acowley/ghc,mettekou/ghc,ghc-android/ghc,frantisekfarka/ghc-dsi,mcschroeder/ghc,christiaanb/ghc,fmthoma/ghc,christiaanb/ghc,nushio3/ghc,christiaanb/ghc,elieux/ghc,nkaretnikov/ghc,GaloisInc/halvm-ghc,christiaanb/ghc,mettekou/ghc,sgillespie/ghc,ml9951/ghc,gcampax/ghc,urbanslug/ghc,da-x/ghc,ezyang/ghc,da-x/ghc,vTurbine/ghc,bitemyapp/ghc,oldmanmike/ghc,siddhanathan/ghc,holzensp/ghc,forked-upstream-packages-for-ghcjs/ghc,siddhanathan/ghc,da-x/ghc,jstolarek/ghc,mettekou/ghc,elieux/ghc,wxwxwwxxx/ghc,ryantm/ghc,ghc-android/ghc,christiaanb/ghc,ghc-android/ghc,TomMD/ghc,vTurbine/ghc,nkaretnikov/ghc,ml9951/ghc,sdiehl/ghc,tjakway/ghcjvm,ml9951/ghc,nushio3/ghc,olsner/ghc,frantisekfarka/ghc-dsi,forked-upstream-packages-for-ghcjs/ghc,shlevy/ghc,gridaphobe/ghc,anton-dessiatov/ghc,tjakway/ghcjvm,ryantm/ghc,AlexanderPankiv/ghc,elieux/ghc,acowley/ghc,mfine/ghc,forked-upstream-packages-for-ghcjs/ghc,siddhanathan/ghc,urbanslug/ghc,bitemyapp/ghc,sdiehl/ghc,spacekitteh/smcghc,olsner/ghc,snoyberg/ghc,ml9951/ghc,oldmanmike/ghc,gcampax/ghc,frantisekfarka/ghc-dsi,snoyberg/ghc,TomMD/ghc,TomMD/ghc,gridaphobe/ghc,siddhanathan/ghc,gcampax/ghc,vikraman/ghc,forked-upstream-packages-for-ghcjs/ghc,nathyong/microghc-ghc,ryantm/ghc,elieux/ghc,gridaphobe/ghc,shlevy/ghc,lukexi/ghc,forked-upstream-packages-for-ghcjs/ghc,ezyang/ghc,nathyong/microghc-ghc,spacekitteh/smcghc,vTurbine/ghc,mcschroeder/ghc,wxwxwwxxx/ghc,ghc-android/ghc,anton-dessiatov/ghc,nushio3/ghc,frantisekfarka/ghc-dsi,mettekou/ghc,sgillespie/ghc,tjakway/ghcjvm,lukexi/ghc,AlexanderPankiv/ghc,sgillespie/ghc,green-haskell/ghc,ml9951/ghc,forked-upstream-packages-for-ghcjs/ghc,sdiehl/ghc,GaloisInc/halvm-ghc,holzensp/ghc,nathyong/microghc-ghc,vTurbine/ghc,tibbe/ghc,gridaphobe/ghc,vikraman/ghc,oldmanmike/ghc,ryantm/ghc,ghc-android/ghc,oldmanmike/ghc