language-docker-15.0.0: test/fixtures/4.Dockerfile
#syntax=docker/dockerfile:1.0 # escape = ` FROM debian:10 RUN first cmd ` && second cmd ` && command C:\some\windows\style\path
#syntax=docker/dockerfile:1.0 # escape = ` FROM debian:10 RUN first cmd ` && second cmd ` && command C:\some\windows\style\path