improve the experience when custom error handlers are set in ~/.Rprofile or at the command line
improve the experience when custom error handlers are set in ~/.Rprofile or at the command line

vbelakov/rstudio,thklaus/rstudio,sfloresm/rstudio,pssguy/rstudio,githubfun/rstudio,nvoron23/rstudio,edrogers/rstudio,sfloresm/rstudio,JanMarvin/rstudio,pssguy/rstudio,jrnold/rstudio,sfloresm/rstudio,maligulzar/Rstudio-instrumented,vbelakov/rstudio,maligulzar/Rstudio-instrumented,pssguy/rstudio,githubfun/rstudio,tbarrongh/rstudio,jar1karp/rstudio,jrnold/rstudio,JanMarvin/rstudio,jrnold/rstudio,vbelakov/rstudio,edrogers/rstudio,tbarrongh/rstudio,jrnold/rstudio,john-r-mcpherson/rstudio,more1/rstudio,vbelakov/rstudio,nvoron23/rstudio,jrnold/rstudio,brsimioni/rstudio,jrnold/rstudio,brsimioni/rstudio,more1/rstudio,jar1karp/rstudio,thklaus/rstudio,edrogers/rstudio,john-r-mcpherson/rstudio,jar1karp/rstudio,suribes/rstudio,JanMarvin/rstudio,tbarrongh/rstudio,suribes/rstudio,githubfun/rstudio,edrogers/rstudio,edrogers/rstudio,more1/rstudio,jzhu8803/rstudio,JanMarvin/rstudio,nvoron23/rstudio,jzhu8803/rstudio,nvoron23/rstudio,JanMarvin/rstudio,more1/rstudio,jzhu8803/rstudio,tbarrongh/rstudio,thklaus/rstudio,suribes/rstudio,tbarrongh/rstudio,maligulzar/Rstudio-instrumented,brsimioni/rstudio,pssguy/rstudio,more1/rstudio,thklaus/rstudio,githubfun/rstudio,maligulzar/Rstudio-instrumented,john-r-mcpherson/rstudio,maligulzar/Rstudio-instrumented,piersharding/rstudio,nvoron23/rstudio,jrnold/rstudio,more1/rstudio,JanMarvin/rstudio,tbarrongh/rstudio,jar1karp/rstudio,jrnold/rstudio,sfloresm/rstudio,tbarrongh/rstudio,edrogers/rstudio,pssguy/rstudio,vbelakov/rstudio,vbelakov/rstudio,suribes/rstudio,suribes/rstudio,edrogers/rstudio,sfloresm/rstudio,pssguy/rstudio,vbelakov/rstudio,thklaus/rstudio,thklaus/rstudio,brsimioni/rstudio,brsimioni/rstudio,jar1karp/rstudio,nvoron23/rstudio,jar1karp/rstudio,sfloresm/rstudio,piersharding/rstudio,sfloresm/rstudio,john-r-mcpherson/rstudio,piersharding/rstudio,JanMarvin/rstudio,pssguy/rstudio,sfloresm/rstudio,githubfun/rstudio,jar1karp/rstudio,edrogers/rstudio,jzhu8803/rstudio,john-r-mcpherson/rstudio,john-r-mcpherson/rstudio,jzhu8803/rstudio,jzhu8803/rstudio,john-r-mcpherson/rstudio,more1/rstudio,jar1karp/rstudio,JanMarvin/rstudio,jzhu8803/rstudio,piersharding/rstudio,nvoron23/rstudio,brsimioni/rstudio,maligulzar/Rstudio-instrumented,piersharding/rstudio,maligulzar/Rstudio-instrumented,suribes/rstudio,piersharding/rstudio,maligulzar/Rstudio-instrumented,githubfun/rstudio,jrnold/rstudio,tbarrongh/rstudio,more1/rstudio,jar1karp/rstudio,suribes/rstudio,piersharding/rstudio,pssguy/rstudio,piersharding/rstudio,john-r-mcpherson/rstudio,thklaus/rstudio,githubfun/rstudio,piersharding/rstudio,brsimioni/rstudio,thklaus/rstudio,githubfun/rstudio,suribes/rstudio,vbelakov/rstudio,brsimioni/rstudio,JanMarvin/rstudio,jzhu8803/rstudio,maligulzar/Rstudio-instrumented