elio 1.0.1

Terminal-native file manager with rich previews, inline images, and mouse support.
Documentation 
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%YAML 1.2
---
name: Dockerfile
file_extensions:
  - dockerfile
  - containerfile
scope: source.dockerfile
variables:
  identifier: '[A-Za-z_][A-Za-z0-9._-]*'
contexts:
  prototype:
    - include: comments
  main:
    - include: strings
    - match: '^\s*(?:FROM|RUN|CMD|LABEL|EXPOSE|ENV|ADD|COPY|ENTRYPOINT|VOLUME|USER|WORKDIR|ARG|ONBUILD|STOPSIGNAL|HEALTHCHECK|SHELL|MAINTAINER)\b'
      scope: keyword.control.dockerfile
    - match: '\bAS\b'
      scope: keyword.control.dockerfile
    - match: '\$\{?[A-Za-z_][A-Za-z0-9_]*\}?'
      scope: variable.parameter.dockerfile
    - match: '--[A-Za-z][A-Za-z0-9-]*'
      scope: variable.parameter.dockerfile
    - match: '\b{{identifier}}(?=\s*=)'
      scope: variable.other.readwrite.assignment.dockerfile
    - match: '\b[A-Za-z0-9][A-Za-z0-9._/-]*(?::[A-Za-z0-9._-]+)?\b'
      scope: entity.name.type.dockerfile
    - match: '\b(?:0x[0-9A-Fa-f_]+|\d[\d_]*(?:\.\d[\d_]*)?)\b'
      scope: constant.numeric.dockerfile
    - match: '&&|\|\||[-+*/%=&|<>!?:]+'
      scope: keyword.operator.dockerfile
  comments:
    - match: '#.*$'
      scope: comment.line.number-sign.dockerfile
  strings:
    - match: '"'
      push: double-quoted-string
    - match: "'"
      push: single-quoted-string
  double-quoted-string:
    - meta_scope: string.quoted.double.dockerfile
    - match: '\\.'
      scope: constant.character.escape.dockerfile
    - match: '"'
      pop: true
  single-quoted-string:
    - meta_scope: string.quoted.single.dockerfile
    - match: '\\.'
      scope: constant.character.escape.dockerfile
    - match: "'"
      pop: true