Indent an XML string: xml_print

### 2.7.6 Indent an XML string: xml_print

The xml_print command formats an XML string.

- xml_print takes one argument:
  str, a string, assumed to contain XML.
- xml_print(str) returns a string with the XML code indented for better readability. The default indentation is two spaces.

#### Example

Input:

xml_print("<?xml version=’1.0’?><root><child1>some content</child1><child2></child2><child3/></root>")

Output:

`<?xml version='1.0'?>`
`<root>`
`<child1>some content</child1>`
`<child2></child2>`
`<child3/>`
`</root>`