include more detail on the marker api issues
include more detail on the marker api issues

alfredodeza/pytest,The-Compiler/pytest,hackebrot/pytest,markshao/pytest,The-Compiler/pytest,ddboline/pytest,Akasurde/pytest,pfctdayelise/pytest,pytest-dev/pytest,nicoddemus/pytest,tomviner/pytest,nicoddemus/pytest,davidszotten/pytest,tomviner/pytest,txomon/pytest,RonnyPfannschmidt/pytest