Reformat help message for `:show` to fit into 80 cols again.
Reformat help message for `:show` to fit into 80 cols again.

mcschroeder/ghc,TomMD/ghc,snoyberg/ghc,gridaphobe/ghc,sdiehl/ghc,nushio3/ghc,tjakway/ghcjvm,tjakway/ghcjvm,nathyong/microghc-ghc,sgillespie/ghc,lukexi/ghc-7.8-arm64,acowley/ghc,mfine/ghc,siddhanathan/ghc,tibbe/ghc,urbanslug/ghc,bitemyapp/ghc,ghc-android/ghc,siddhanathan/ghc,gcampax/ghc,mcschroeder/ghc,vikraman/ghc,TomMD/ghc,ghc-android/ghc,AlexanderPankiv/ghc,nathyong/microghc-ghc,gcampax/ghc,nkaretnikov/ghc,ezyang/ghc,sgillespie/ghc,shlevy/ghc,shlevy/ghc,elieux/ghc,frantisekfarka/ghc-dsi,gridaphobe/ghc,mcschroeder/ghc,GaloisInc/halvm-ghc,nathyong/microghc-ghc,AlexanderPankiv/ghc,gridaphobe/ghc,frantisekfarka/ghc-dsi,lukexi/ghc,gridaphobe/ghc,TomMD/ghc,oldmanmike/ghc,shlevy/ghc,vikraman/ghc,ekmett/ghc,tjakway/ghcjvm,frantisekfarka/ghc-dsi,tjakway/ghcjvm,urbanslug/ghc,mettekou/ghc,AlexanderPankiv/ghc,mcschroeder/ghc,forked-upstream-packages-for-ghcjs/ghc,siddhanathan/ghc,mfine/ghc,mettekou/ghc,urbanslug/ghc,acowley/ghc,gridaphobe/ghc,hferreiro/replay,vikraman/ghc,hferreiro/replay,oldmanmike/ghc,spacekitteh/smcghc,tibbe/ghc,nkaretnikov/ghc,mettekou/ghc,lukexi/ghc-7.8-arm64,siddhanathan/ghc,lukexi/ghc,vTurbine/ghc,holzensp/ghc,AlexanderPankiv/ghc,mettekou/ghc,green-haskell/ghc,ezyang/ghc,vikraman/ghc,green-haskell/ghc,acowley/ghc,sdiehl/ghc,vikraman/ghc,GaloisInc/halvm-ghc,wxwxwwxxx/ghc,mcschroeder/ghc,vTurbine/ghc,vikraman/ghc,ml9951/ghc,elieux/ghc,ghc-android/ghc,ml9951/ghc,snoyberg/ghc,da-x/ghc,fmthoma/ghc,nathyong/microghc-ghc,GaloisInc/halvm-ghc,ryantm/ghc,siddhanathan/ghc,oldmanmike/ghc,nathyong/microghc-ghc,vTurbine/ghc,tibbe/ghc,AlexanderPankiv/ghc,oldmanmike/ghc,ryantm/ghc,acowley/ghc,holzensp/ghc,gcampax/ghc,acowley/ghc,christiaanb/ghc,ghc-android/ghc,urbanslug/ghc,TomMD/ghc,tjakway/ghcjvm,gridaphobe/ghc,da-x/ghc,TomMD/ghc,tjakway/ghcjvm,wxwxwwxxx/ghc,holzensp/ghc,mfine/ghc,anton-dessiatov/ghc,lukexi/ghc-7.8-arm64,frantisekfarka/ghc-dsi,acowley/ghc,green-haskell/ghc,lukexi/ghc-7.8-arm64,nkaretnikov/ghc,ezyang/ghc,christiaanb/ghc,jstolarek/ghc,ezyang/ghc,forked-upstream-packages-for-ghcjs/ghc,siddhanathan/ghc,wxwxwwxxx/ghc,elieux/ghc,hferreiro/replay,hferreiro/replay,hferreiro/replay,bitemyapp/ghc,snoyberg/ghc,olsner/ghc,elieux/ghc,lukexi/ghc,shlevy/ghc,spacekitteh/smcghc,fmthoma/ghc,GaloisInc/halvm-ghc,sdiehl/ghc,forked-upstream-packages-for-ghcjs/ghc,GaloisInc/halvm-ghc,green-haskell/ghc,ezyang/ghc,jstolarek/ghc,sdiehl/ghc,oldmanmike/ghc,wxwxwwxxx/ghc,snoyberg/ghc,snoyberg/ghc,snoyberg/ghc,ml9951/ghc,da-x/ghc,oldmanmike/ghc,lukexi/ghc-7.8-arm64,holzensp/ghc,sdiehl/ghc,nushio3/ghc,anton-dessiatov/ghc,oldmanmike/ghc,nkaretnikov/ghc,sgillespie/ghc,da-x/ghc,christiaanb/ghc,ezyang/ghc,nathyong/microghc-ghc,gcampax/ghc,nushio3/ghc,ghc-android/ghc,vTurbine/ghc,fmthoma/ghc,ryantm/ghc,da-x/ghc,AlexanderPankiv/ghc,bitemyapp/ghc,jstolarek/ghc,vikraman/ghc,fmthoma/ghc,ryantm/ghc,AlexanderPankiv/ghc,spacekitteh/smcghc,green-haskell/ghc,gcampax/ghc,wxwxwwxxx/ghc,nkaretnikov/ghc,olsner/ghc,nushio3/ghc,olsner/ghc,lukexi/ghc,ml9951/ghc,olsner/ghc,GaloisInc/halvm-ghc,jstolarek/ghc,urbanslug/ghc,mfine/ghc,anton-dessiatov/ghc,nushio3/ghc,mfine/ghc,nushio3/ghc,ml9951/ghc,mettekou/ghc,da-x/ghc,anton-dessiatov/ghc,spacekitteh/smcghc,hferreiro/replay,anton-dessiatov/ghc,TomMD/ghc,nkaretnikov/ghc,christiaanb/ghc,wxwxwwxxx/ghc,olsner/ghc,siddhanathan/ghc,ekmett/ghc,spacekitteh/smcghc,vTurbine/ghc,forked-upstream-packages-for-ghcjs/ghc,wxwxwwxxx/ghc,mettekou/ghc,ml9951/ghc,mfine/ghc,ekmett/ghc,GaloisInc/halvm-ghc,ekmett/ghc,gcampax/ghc,jstolarek/ghc,mcschroeder/ghc,urbanslug/ghc,nkaretnikov/ghc,bitemyapp/ghc,elieux/ghc,nushio3/ghc,frantisekfarka/ghc-dsi,christiaanb/ghc,elieux/ghc,christiaanb/ghc,acowley/ghc,hferreiro/replay,tjakway/ghcjvm,lukexi/ghc,da-x/ghc,forked-upstream-packages-for-ghcjs/ghc,gridaphobe/ghc,sgillespie/ghc,anton-dessiatov/ghc,sgillespie/ghc,fmthoma/ghc,TomMD/ghc,ryantm/ghc,tibbe/ghc,ekmett/ghc,mfine/ghc,sdiehl/ghc,elieux/ghc,shlevy/ghc,ghc-android/ghc,shlevy/ghc,forked-upstream-packages-for-ghcjs/ghc,ml9951/ghc,tibbe/ghc,anton-dessiatov/ghc,gcampax/ghc,holzensp/ghc,vTurbine/ghc,sgillespie/ghc,sdiehl/ghc,shlevy/ghc,olsner/ghc,christiaanb/ghc,fmthoma/ghc,urbanslug/ghc,olsner/ghc,snoyberg/ghc,sgillespie/ghc,fmthoma/ghc,bitemyapp/ghc,ghc-android/ghc,mcschroeder/ghc,ml9951/ghc,mettekou/ghc,nathyong/microghc-ghc,ezyang/ghc,forked-upstream-packages-for-ghcjs/ghc,vTurbine/ghc