Fix xmllint warning in Design Principles/Supervisor Behaviour
Fix xmllint warning in Design Principles/Supervisor Behaviour

RoadRunnr/otp,cobusc/otp,tuncer/otp,emacsmirror/erlang,rlipscombe/otp,lrascao/otp,isvilen/otp,vinoski/otp,bjorng/otp,legoscia/otp,ferd/otp,rlipscombe/otp,getong/otp,bjorng/otp,vinoski/otp,rlipscombe/otp,dumbbell/otp,ferd/otp,jj1bdx/otp,potatosalad/otp,lrascao/otp,mikpe/otp,dumbbell/otp,dgud/otp,matwey/otp,kvakvs/otp,kvakvs/otp,bernardd/otp,g-andrade/otp,vinoski/otp,rlipscombe/otp,potatosalad/otp,bjorng/otp,RoadRunnr/otp,goertzenator/otp,rlipscombe/otp,bjorng/otp,vinoski/otp,potatosalad/otp,cobusc/otp,saleyn/otp,matwey/otp,goertzenator/otp,mikpe/otp,jj1bdx/otp,falkevik/otp,erlang/otp,dgud/otp,mikpe/otp,erlang/otp,bjorng/otp,tuncer/otp,goertzenator/otp,isvilen/otp,jj1bdx/otp,dumbbell/otp,lrascao/otp,isvilen/otp,uabboli/otp,g-andrade/otp,getong/otp,kvakvs/otp,dumbbell/otp,ferd/otp,electricimp/otp,RaimoNiskanen/otp,kvakvs/otp,g-andrade/otp,bernardd/otp,fenollp/otp,rlipscombe/otp,jj1bdx/otp,jj1bdx/otp,RaimoNiskanen/otp,emacsmirror/erlang,aboroska/otp,erlang/otp,rlipscombe/otp,isvilen/otp,bernardd/otp,aboroska/otp,cobusc/otp,bernardd/otp,dumbbell/otp,dgud/otp,emacsmirror/erlang,goertzenator/otp,electricimp/otp,g-andrade/otp,vladdu/otp,emacsmirror/erlang,RoadRunnr/otp,matwey/otp,dgud/otp,bjorng/otp,legoscia/otp,emacsmirror/erlang,dumbbell/otp,potatosalad/otp,lrascao/otp,bjorng/otp,isvilen/otp,lrascao/otp,electricimp/otp,bsmr-erlang/otp,uabboli/otp,fenollp/otp,rlipscombe/otp,aboroska/otp,falkevik/otp,dgud/otp,saleyn/otp,tuncer/otp,dumbbell/otp,lrascao/otp,RaimoNiskanen/otp,matwey/otp,uabboli/otp,cobusc/otp,getong/otp,RoadRunnr/otp,bernardd/otp,mikpe/otp,fenollp/otp,emacsmirror/erlang,emacsmirror/erlang,rlipscombe/otp,jj1bdx/otp,erlang/otp,RoadRunnr/otp,vinoski/otp,vladdu/otp,jj1bdx/otp,lrascao/otp,vladdu/otp,mikpe/otp,potatosalad/otp,fenollp/otp,potatosalad/otp,legoscia/otp,getong/otp,dgud/otp,falkevik/otp,bjorng/otp,kvakvs/otp,electricimp/otp,falkevik/otp,vladdu/otp,vinoski/otp,matwey/otp,goertzenator/otp,emacsmirror/erlang,isvilen/otp,electricimp/otp,erlang/otp,dgud/otp,vladdu/otp,potatosalad/otp,legoscia/otp,kvakvs/otp,kvakvs/otp,getong/otp,electricimp/otp,jj1bdx/otp,fenollp/otp,RaimoNiskanen/otp,getong/otp,g-andrade/otp,legoscia/otp,cobusc/otp,dgud/otp,vinoski/otp,bernardd/otp,aboroska/otp,potatosalad/otp,g-andrade/otp,bsmr-erlang/otp,ferd/otp,aboroska/otp,goertzenator/otp,cobusc/otp,aboroska/otp,bsmr-erlang/otp,uabboli/otp,rlipscombe/otp,legoscia/otp,mikpe/otp,RaimoNiskanen/otp,isvilen/otp,saleyn/otp,vinoski/otp,bsmr-erlang/otp,vladdu/otp,cobusc/otp,goertzenator/otp,erlang/otp,erlang/otp,lrascao/otp,bernardd/otp,kvakvs/otp,goertzenator/otp,uabboli/otp,uabboli/otp,erlang/otp,bjorng/otp,mikpe/otp,uabboli/otp,saleyn/otp,g-andrade/otp,bsmr-erlang/otp,potatosalad/otp,tuncer/otp,aboroska/otp,electricimp/otp,bernardd/otp,vladdu/otp,legoscia/otp,erlang/otp,falkevik/otp,bsmr-erlang/otp,aboroska/otp,vinoski/otp,dgud/otp,RaimoNiskanen/otp,fenollp/otp,kvakvs/otp,uabboli/otp,ferd/otp,erlang/otp,falkevik/otp,saleyn/otp,legoscia/otp,ferd/otp,saleyn/otp,tuncer/otp,g-andrade/otp,lrascao/otp,RaimoNiskanen/otp,jj1bdx/otp,getong/otp,legoscia/otp,fenollp/otp,g-andrade/otp,saleyn/otp,RoadRunnr/otp,matwey/otp,goertzenator/otp,mikpe/otp,matwey/otp,RaimoNiskanen/otp,mikpe/otp,getong/otp,emacsmirror/erlang,vinoski/otp,isvilen/otp,tuncer/otp,saleyn/otp,bsmr-erlang/otp,bsmr-erlang/otp,isvilen/otp,fenollp/otp,uabboli/otp,mikpe/otp,potatosalad/otp,emacsmirror/erlang,bsmr-erlang/otp,dumbbell/otp,RoadRunnr/otp,getong/otp,tuncer/otp,electricimp/otp,falkevik/otp,vladdu/otp,dumbbell/otp,ferd/otp,dgud/otp,cobusc/otp,tuncer/otp,isvilen/otp,RaimoNiskanen/otp,getong/otp,jj1bdx/otp,tuncer/otp,falkevik/otp,falkevik/otp,electricimp/otp,g-andrade/otp,RoadRunnr/otp,saleyn/otp,matwey/otp,RoadRunnr/otp,bernardd/otp,ferd/otp,aboroska/otp,matwey/otp,fenollp/otp,bjorng/otp,ferd/otp,vladdu/otp,dumbbell/otp