Insert "before" from palette brakes the text in VPE Editor for XHTML-file

Text in VPE-editor for xhtml-file is broken after a tag is inserted from palette.

EXECUTE: Create Seam Web Project
EXECUTE: Open /WebContent/error.xhtml file in VPE Editor (JBoss Tools HTML Editor). Make sure that "Visual/Source" Tab is active.
EXECUTE: Select in visual part the following paragraph by clicking on its text: "Something bad happened ".
EXECUTE: Right-click on the selected text and choose from pop-up menu: Insert Before->From Palette->JBoss->Ajax4jsf-><a4j:status>
ASSERT: See that the xmlns:a4j="http://richfaces.org/a4j" argument is added to the <ui:composition> tag
ASSERT: "<a4j:status></a4j:status>" tags are added before <p>Something bad happened </p> text.