Ah! News to me! If libxml does it, I'm sure it's in the spec. And here it is: 3.3.3 Attribute-Value Normalization.

  1. \r\n is is converted to \n. (Done for the entire document.)
  2. Entity references (e.g. é) are interpolated.
  3. \r, \n and \t are converted to spaces.
  4. Character references (e.g. é) are interpolated.

In reply to Re^7: Scrubbing XML by ikegami
in thread Scrubbing XML by the.duck

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