NISO Z39.96-201x

8 Article Authoring Tag Set • 8.5 Attributes

8.5.115 @xml:space Space

When printing or displaying the associated element, all white space (such as tabs, ordinary spaces, and line breaks) should be preserved.

In elements <glyph-data> and <preformat>, this attribute must have the value preserve (as given below).
Value Meaning
preserve White space should be preserved. (This value is fixed and cannot be changed in a document.)