if exists("b:current_syntax")
  finish
endif

syn match PlanDone '^+\ze\s' conceal cchar=✔
syn match PlanWork '^\*\ze\s' conceal cchar=⏲
syn match PlanTodo '^-\ze\s' conceal cchar=⨯

hi def link PlanDone Include
hi def link PlanWork Keyword
hi def link PlanTodo Comment