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+## Syntax highlighting for Hashicorp Terraform / HCL files.
+
+# See:  https://github.com/hashicorp/hcl
+# Original author:  John Boero
+# License:  GPLv3 or newer
+
+syntax hcl "\.(tf|hcl)$"
+# No comments are permitted in JSON.
+comment ""
+
+# Numbers (used as value).
+color green ":[[:space:]]*\-?(0|[1-9][0-9]*)(\.[0-9]+)?([Ee]?[-+]?[0-9]+)?"
+# Values (well, any string).
+color brightmagenta "\".+\""
+# Hex numbers (used as value).
+color green ":[[:space:]]*\"#[0-9abcdefABCDEF]+\""
+# Escapes.
+color green "\\\\" "\\\"" "\\[bfnrt]" "\\u[0-9abcdefABCDEF]{4})"
+# Special words.
+color green "(true|false|null|output|path|vault|description|default|value)"
+
+color brightgreen "(variable|terraform|resource|provider|module)"
+
+# Names (very unlikely to contain a quote).
+color brightblue "\"[^"]+\"[[:space:]]*:"
+
+# Brackets, braces, and separators.
+color brightblue "\[" "\]"
+color brightred "\{" "\}"
+color brightred "," ":"
+
+# Comments.
+color cyan "(^|[[:space:]]+)(//|#).*$"
+
+# Trailing whitespace.
+color ,green "[[:space:]]+$"