XMLQuire (Win XP) for Windows

This simple-to-use and free XML Editor brings a new editing experience: XML indentation is fully automated and entirely separate from XML content -no formatting tabs or spaces.Double-clicking on the XPath-Location bar will launch the integrated XPath Editor, featuring full auto-completion and a unique 'predicate-by-predicate' trace capability.

Feature include:Syntax-highlighting and auto-completion,Schema validation and schema-aware completion lists,DTD caching,Regex powered Find and Replace with preview,Special Print Preview with XML print formatting options,Recent Files list with preserved state replaces document tabs,Element cursor provides quick mouse-selection of an complete element,Virtual Formatting means reformatting of XML is continous, as you type,All whitespace content preserved - What You Type Is What You Get (WYTIWYG),Seamless drag and drop where formatting reflows automatically, and Optional permanent auto-complete list for inline markup.