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Improve safeHTMLAttr explanation

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Joe Mooring authored and GitHub committed 2023-07-28 11:50:05 -07:00
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@@ -34,12 +34,16 @@ Will produce:
`ZgotmplZ` is a special value, inserted by Go's [template/html] package, that indicates that unsafe content reached a CSS or URL context. `ZgotmplZ` is a special value, inserted by Go's [template/html] package, that indicates that unsafe content reached a CSS or URL context.
To override the safety check, use the `safeHTMLAttr` function: To indicate that the HTML attribute is safe:
```go-html-template ```go-html-template
{{ range site.Menus.main }} {{ range site.Menus.main }}
<a {{ printf "href=%q" .URL | safeHTMLAttr }}>{{ .Name }}</a> <a {{ printf "href=%q" .URL | safeHTMLAttr }}>{{ .Name }}</a>
{{ end }} {{ end }}
``` ```
{{% note %}}
As demonstrated above, you must pass the HTML attribute name _and_ value through the function. Applying `safeHTMLAttr` to the attribute value has no effect.
{{% /note %}}
[template/html]: https://pkg.go.dev/html/template [template/html]: https://pkg.go.dev/html/template