== should format ==
RUN    dprint fmt
RUN  echo hello \
world
RUN    echo "\
         hello\
         world"
RUN   [   "dprint"   ,    "fmt"   ]
RUN    ["c:\\windows\\system32\\tasklist.exe"]
RUN   "  test  "

[expect]
RUN dprint fmt
RUN echo hello \
world
RUN echo "\
         hello\
         world"
RUN ["dprint", "fmt"]
RUN ["c:\\windows\\system32\\tasklist.exe"]
RUN "  test  "