Fix users_guide markup
Fix users_guide markup

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