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7 Commits

Author SHA1 Message Date
Benno Schulenberg
2f216281e7 syntax: yaml: allow slash and period in key names 
Some Yaml files use path names and sometimes version numbers as keys,
even though / and . are not officially in the character set allowed
for key names (just like underscore is not), as far as I understand.

Also, do not colorize any backslash escapes as invalid
because some of them occur sometimes in value strings.

Also, colorize only the valid double-exclamation tags.
 2021-10-03 15:38:43 +02:00
Benno Schulenberg
9459030d66 syntax: yaml: allow any character in tags except whitespace 
This will colorize also invalid tags, but the rules are too complicated
to catch in a simple regex.

See https://yaml.org/spec/1.2.2/#691-node-tags.
 2021-10-03 10:41:03 +02:00
Benno Schulenberg
f545735638 syntax: yaml: colorize the two known directives 
See https://yaml.org/spec/1.2.2/#68-directives.

Also, recognize a Yaml file from a %YAML directive on the first line.
 2021-10-03 10:14:04 +02:00
Benno Schulenberg
675ad6386d syntax: yaml: colorize the question mark of complex mappings too 
See https://yaml.org/spec/1.2.2/#22-structures, example 2.11.

Also make the dash more visible by bolding it.
 2021-10-02 17:15:50 +02:00
Benno Schulenberg
6ce3487b65 syntax: yaml: colorize backslash-escaped characters as valid or invalid 
See https://yaml.org/spec/1.2.2/#57-escaped-characters.

Also prevent an escaped double quote from breaking the coloring of
a string, and allow hyphens in an anchor.
 2021-10-02 17:15:32 +02:00
Benno Schulenberg
71a73a1a10 syntax: yaml: allow double colon in key & do not colorize unspaced colon 
Perl keys can contain a double colon.  And unspaced colons occur
quite regularly in values (URLs, IPv6 addresses, and the like)
and should not be colored as if they were an error.
 2021-10-01 09:44:43 +02:00
Benno Schulenberg
c2790a8af3 syntax: yaml: new file -- coloring rules for YAML files 
This fulfills https://bugs.debian.org/982091.
Requested-by: Otto Kekäläinen <otto@debian.org>

Signed-off-by: Benno Schulenberg <bensberg@telfort.nl>
 2021-09-29 17:14:03 +02:00