Document the new inheritance machinery (fixes #8125)
Document the new inheritance machinery (fixes #8125)

pyfisch/servo,fiji-flo/servo,nnethercote/servo,dati91/servo,larsbergstrom/servo,KiChjang/servo,mattnenterprise/servo,anthgur/servo,pyfisch/servo,mattnenterprise/servo,DominoTree/servo,jimberlage/servo,cbrewster/servo,CJ8664/servo,mbrubeck/servo,pyfisch/servo,upsuper/servo,DominoTree/servo,KiChjang/servo,notriddle/servo,paulrouget/servo,eddyb/servo,splav/servo,thiagopnts/servo,saneyuki/servo,notriddle/servo,CJ8664/servo,larsbergstrom/servo,avadacatavra/servo,peterjoel/servo,nnethercote/servo,splav/servo,paulrouget/servo,sadmansk/servo,DominoTree/servo,splav/servo,pyfisch/servo,SimonSapin/servo,nrc/servo,fiji-flo/servo,splav/servo,upsuper/servo,dsandeephegde/servo,dsandeephegde/servo,DominoTree/servo,ConnorGBrewster/servo,emilio/servo,eddyb/servo,mbrubeck/servo,avadacatavra/servo,notriddle/servo,jimberlage/servo,notriddle/servo,rnestler/servo,CJ8664/servo,avadacatavra/servo,SimonSapin/servo,mbrubeck/servo,SimonSapin/servo,cbrewster/servo,paulrouget/servo,paulrouget/servo,thiagopnts/servo,ConnorGBrewster/servo,thiagopnts/servo,eddyb/servo,saneyuki/servo,notriddle/servo,KiChjang/servo,paulrouget/servo,dati91/servo,DominoTree/servo,emilio/servo,sadmansk/servo,dsandeephegde/servo,notriddle/servo,peterjoel/servo,notriddle/servo,upsuper/servo,sadmansk/servo,DominoTree/servo,canaltinova/servo,szeged/servo,eddyb/servo,dsandeephegde/servo,notriddle/servo,jimberlage/servo,nrc/servo,canaltinova/servo,anthgur/servo,mattnenterprise/servo,DominoTree/servo,splav/servo,nrc/servo,jimberlage/servo,SimonSapin/servo,jimberlage/servo,KiChjang/servo,cbrewster/servo,pyfisch/servo,emilio/servo,fiji-flo/servo,KiChjang/servo,KiChjang/servo,dsandeephegde/servo,SimonSapin/servo,saneyuki/servo,steveklabnik/servo,splav/servo,nnethercote/servo,saneyuki/servo,saneyuki/servo,nnethercote/servo,nrc/servo,paulrouget/servo,canaltinova/servo,anthgur/servo,ConnorGBrewster/servo,nnethercote/servo,peterjoel/servo,notriddle/servo,emilio/servo,KiChjang/servo,saneyuki/servo,sadmansk/servo,mattnenterprise/servo,larsbergstrom/servo,szeged/servo,fiji-flo/servo,notriddle/servo,emilio/servo,steveklabnik/servo,jimberlage/servo,mattnenterprise/servo,larsbergstrom/servo,jimberlage/servo,avadacatavra/servo,paulrouget/servo,thiagopnts/servo,steveklabnik/servo,rnestler/servo,saneyuki/servo,KiChjang/servo,fiji-flo/servo,steveklabnik/servo,anthgur/servo,ConnorGBrewster/servo,jimberlage/servo,ConnorGBrewster/servo,upsuper/servo,szeged/servo,dsandeephegde/servo,steveklabnik/servo,mattnenterprise/servo,DominoTree/servo,rnestler/servo,avadacatavra/servo,peterjoel/servo,splav/servo,KiChjang/servo,sadmansk/servo,CJ8664/servo,peterjoel/servo,nrc/servo,larsbergstrom/servo,pyfisch/servo,fiji-flo/servo,nnethercote/servo,dati91/servo,emilio/servo,pyfisch/servo,steveklabnik/servo,nnethercote/servo,anthgur/servo,saneyuki/servo,nnethercote/servo,peterjoel/servo,cbrewster/servo,szeged/servo,saneyuki/servo,splav/servo,paulrouget/servo,DominoTree/servo,CJ8664/servo,upsuper/servo,szeged/servo,pyfisch/servo,mbrubeck/servo,nrc/servo,larsbergstrom/servo,cbrewster/servo,emilio/servo,szeged/servo,szeged/servo,peterjoel/servo,upsuper/servo,pyfisch/servo,ConnorGBrewster/servo,larsbergstrom/servo,mattnenterprise/servo,mbrubeck/servo,saneyuki/servo,rnestler/servo,ConnorGBrewster/servo,szeged/servo,upsuper/servo,larsbergstrom/servo,mbrubeck/servo,nrc/servo,CJ8664/servo,fiji-flo/servo,anthgur/servo,upsuper/servo,rnestler/servo,KiChjang/servo,avadacatavra/servo,cbrewster/servo,mbrubeck/servo,avadacatavra/servo,steveklabnik/servo,paulrouget/servo,dati91/servo,peterjoel/servo,peterjoel/servo,nnethercote/servo,eddyb/servo,thiagopnts/servo,eddyb/servo,sadmansk/servo,larsbergstrom/servo,DominoTree/servo,canaltinova/servo,paulrouget/servo,canaltinova/servo,canaltinova/servo,nnethercote/servo,emilio/servo,szeged/servo,dati91/servo,fiji-flo/servo,splav/servo,ConnorGBrewster/servo,emilio/servo,sadmansk/servo,emilio/servo,splav/servo,thiagopnts/servo,thiagopnts/servo,rnestler/servo,eddyb/servo,rnestler/servo,thiagopnts/servo,anthgur/servo,SimonSapin/servo,pyfisch/servo,dsandeephegde/servo,cbrewster/servo,dati91/servo,SimonSapin/servo,cbrewster/servo,mattnenterprise/servo,canaltinova/servo,CJ8664/servo,jimberlage/servo,canaltinova/servo,anthgur/servo,dati91/servo,larsbergstrom/servo,dsandeephegde/servo,peterjoel/servo,sadmansk/servo,avadacatavra/servo,szeged/servo,CJ8664/servo,mbrubeck/servo,rnestler/servo,dati91/servo,eddyb/servo,SimonSapin/servo