Jason Franklin wrote:
> YAML files are only detected when they end in ".yml" or ".yaml".
>
> The change below allows for YAML to be detected by content:
>
> diff --git a/runtime/scripts.vim b/runtime/scripts.vim
> index a69043101..71fc56a48 100644
> --- a/runtime/scripts.vim
> +++ b/runtime/scripts.vim
> @@ -376,6 +376,10 @@ else
> elseif s:line1 =~? '-\*-.*erlang.*-\*-'
> set ft=erlang
>
> + " YAML
> + elseif s:line1 =~# '^\(---\|%YAML\)'
> + set ft=yaml
> +
> " CVS diff
> else
> let s:lnum = 1
>
> If a file begins with "---" we can assume that this is a YAML document
> boundary symbol. One may argue that this is not for sure, but it seems
> unlikely to me that any other type of content would begin this way.
>
> The other possibility is when some text begins with a YAML version
> directive (e.g., "%YAML 1.2"). With this criteria we can be nearly
> certain of the type.
>
> This doesn't handle all cases. However, it will catch far more
> instances where the content of a file is YAML, yet the name doesn't
> match what is expected.
Recognizing "%YAML" should be fine. However, it's not unusual for a
text file to start with something like:
-----------------------------
blah blah blah blah
-----------------------------
I rather not see that as a yaml file.
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