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templates: Document httpError function (#4972)

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* added the httpError function into the document

* Update templates.go

* Update templates.go

* Fix gofmt

Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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Avdhut 2022-09-02 09:37:52 +05:30 committed by GitHub
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commit 66959d9f18
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8
modules/caddyhttp/templates/templates.go
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@ -189,6 +189,14 @@ func init() {
// {{.RespHeader.Set "Field-Name" "val"}}
// ```
//
// ##### `httpError`
//
// Returns an error with the given status code to the HTTP handler chain.
//
// ```
// {{if not (fileExists $includedFile)}}{{httpError 404}}{{end}}
// ```
//
// ##### `splitFrontMatter`
//
// Splits front matter out from the body. Front matter is metadata that appears at the very beginning of a file or string. Front matter can be in YAML, TOML, or JSON formats: