Help of 32-bit English UE v184.108.40.206 contains the following paragraph about the search box at top of XML manager
English UE help wrote: The combobox at the top of the XML Manager may be used to navigate quickly within the document tree of the active XML document. Typing an element or attribute name and then pressing RETURN will position the document tree accordingly and select the first matching node.
The search feature works for elements, but it does not work for attributes.
Entering the name of an element in combobox and hitting key RETURN selects the first or next element with that name in XML node tree. But XML is case-sensitive and therefore the entered element name is searched also case-sensitive.
Entering the name of an attribute in combobox and hitting key RETURN does not result in selecting the first or next attribute with that name in XML node tree. I have to find out with former versions of UltraEdit if searching for attributes was ever supported or the help is not correct.