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40 lines
1.2 KiB
Markdown
40 lines
1.2 KiB
Markdown
---
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title: transform.XMLEscape
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description: Returns the given string, removing disallowed characters then escaping the result to its XML equivalent.
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categories: []
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keywords: []
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action:
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aliases: []
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related: []
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returnType: string
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signatures: [transform.XMLEscape INPUT]
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---
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{{< new-in 0.121.0 >}}
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The `transform.XMLEscape` function removes [disallowed characters] as defined in the XML specification, then escapes the result by replacing the following characters with [HTML entities]:
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- `"` → `"`
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- `'` → `'`
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- `&` → `&`
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- `<` → `<`
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- `>` → `>`
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- `\t` → `	`
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- `\n` → `
`
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- `\r` → `
`
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For example:
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```go-html-template
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{{ transform.XMLEscape "<p>abc</p>" }} → <p>abc</p>
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```
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When using `transform.XMLEscape` in a template rendered by Go's [html/template] package, declare the string to be safe HTML to avoid double escaping. For example, in an RSS template:
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{{< code file="layouts/_default/rss.xml" >}}
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<description>{{ .Summary | transform.XMLEscape | safeHTML }}</description>
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{{< /code >}}
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[disallowed characters]: https://www.w3.org/TR/xml/#charsets
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[html entities]: https://developer.mozilla.org/en-us/docs/glossary/entity
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[html/template]: https://pkg.go.dev/html/template
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