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nano/syntax/json.nanorc
Benno Schulenberg 0e1d45dc36 tweaks: fold some regexes together, and trim or improve some comments
Also, trim some whitespace and group one rule better.

Also, fix a stray closing parenthesis in the JSON syntax,
and add the missing slash to the possible escaped characters.
(Reference: https://www.json.org/json-en.html.)

Also, improve the ending of multiline strings in the Rust syntax.
2021-10-27 11:25:45 +02:00

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## Syntax highlighting for JSON files.
## Original author: Aapo Rantalainen
## License: GPL version 3 or newer
syntax json "\.json$"
# No comments are permitted in JSON.
comment ""
# Numbers (used as value).
color green ":[[:blank:]]*\-?(0|[1-9][0-9]*)(\.[0-9]+)?([Ee]?[-+]?[0-9]+)?"
# Values (well, any string).
color brightmagenta "".+""
# Hex numbers (used as value).
color green ":[[:blank:]]*"#[0-9abcdefABCDEF]+""
# Escapes.
color green "\\["\/bfnrt]" "\\u[0-9abcdefABCDEF]{4}"
# Special words.
color green "\<(true|false|null)\>"
# Names (very unlikely to contain a quote).
color brightblue ""[^"]+"[[:blank:]]*:"
# Brackets, braces, and separators.
color brightblue "\[" "\]"
color brightred "\{" "\}"
color brightred "," ":"
# Comments.
color cyan "(^|[[:blank:]]+)(//|#).*"
# Trailing whitespace.
color ,green "[[:space:]]+$"