Corrections so that the documentation confirms to the DTD
Add missing whitespace in string
Merge branch 'maint'
Merge branch 'kenneth/doc_to_dtd/OTP-11193' into maint

* kenneth/doc_to_dtd/OTP-11193:
  Corrections so that the documentation confirms to the DTD
  Minor correction of xml structure to conform to the DTD
Merge branch 'maint'