Re: [PATCH] syntax: add highlighting for TOML files

Benno Schulenberg <[email protected]> Mon, 23 Feb 2026 16:46:32 +0100

Newsgroups	gmane.editors.nano.devel
Message-ID	<[email protected]>

Op 23-02-2026 om 14:00 schreef Vincen Yang:
> After applying the updated patch to various TOML files, I believe the
> new version is a great improvement over my initial submission. It is
> acceptable to me.

Thanks for checking.  Attached is a further improved and corrected
toml.nanorc, adding coloring for exponential and hexadecimal numbers,
for example, and correcting the coloring of literal strings.


Benno

toml.nanorc (text/plain, 747 B)

## Syntax highlighting for TOML files.

## Original authors:  Vincent Yang and Benno Schulenberg
## License:  GPL version 3 or newer

syntax toml "\.toml$"
comment "#"

# Values
color sage "[+-]?\<([0-9]+(\.[0-9]+)?([eE][+-]?[0-9]+)?|[0-9]{4}-[0-9]{2}-[0-9]{2}([T ][0-9:.-]+)Z?)?\>"
color sage "\<0x[[:xdigit:]][[:xdigit:]_]*|0o[0-7]+|0b[01]+|[+-]?\<(inf|nan)\>"
color lime "\<(true|false)\>"

# Keys
color sky "^[[:blank:]]*[^="[:blank:]][^=]*"

# Strings
color latte ""([^"]|\\.)*"|'([^']|\\.)*'"
color latte start="\"\"\"" end="\"\"\""
color latte start="'''" end="'''"

# Table headers
color orange "^[[:blank:]]*(\[[^][]+\]|\[\[[^][]+\]\])"

# Comments
color italic,cyan "(^|[[:blank:]])#.*"

# Trailing whitespace
color ,red "[[:space:]]+$"

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