src/org/apache/xerces/impl/XMLNSDocumentScannerImpl.java [183:283]:
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        } while (true);

        if (fBindNamespaces) {
            // REVISIT: is it required? forbit xmlns prefix for element
            if (fElementQName.prefix == XMLSymbols.PREFIX_XMLNS) {
                fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN,
                                           "ElementXMLNSPrefix",
                                           new Object[]{fElementQName.rawname},
                                           XMLErrorReporter.SEVERITY_FATAL_ERROR);
            }

            // bind the element
            String prefix = fElementQName.prefix != null
                            ? fElementQName.prefix : XMLSymbols.EMPTY_STRING;
            // assign uri to the element
            fElementQName.uri = fNamespaceContext.getURI(prefix);
            // make sure that object in the element stack is updated as well
            fCurrentElement.uri = fElementQName.uri;

            if (fElementQName.prefix == null && fElementQName.uri != null) {
                fElementQName.prefix = XMLSymbols.EMPTY_STRING;
                // making sure that the object in the element stack is updated too.
                fCurrentElement.prefix = XMLSymbols.EMPTY_STRING;
            }
            if (fElementQName.prefix != null && fElementQName.uri == null) {
                fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN,
                                           "ElementPrefixUnbound",
                                           new Object[]{fElementQName.prefix, fElementQName.rawname},
                                           XMLErrorReporter.SEVERITY_FATAL_ERROR);
            }

            // bind attributes (xmlns are already bound bellow)
            int length = fAttributes.getLength();
            // fLength = 0; //initialize structure
            for (int i = 0; i < length; i++) {
                fAttributes.getName(i, fAttributeQName);

                String aprefix = fAttributeQName.prefix != null
                                 ? fAttributeQName.prefix : XMLSymbols.EMPTY_STRING;
                String uri = fNamespaceContext.getURI(aprefix);
                // REVISIT: try removing the first "if" and see if it is faster.
                //
                if (fAttributeQName.uri != null && fAttributeQName.uri == uri) {
                    // checkDuplicates(fAttributeQName, fAttributes);
                    continue;
                }
                if (aprefix != XMLSymbols.EMPTY_STRING) {
                    fAttributeQName.uri = uri;
                    if (uri == null) {
                        fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN,
                                                   "AttributePrefixUnbound",
                                                   new Object[]{fElementQName.rawname,fAttributeQName.rawname,aprefix},
                                                   XMLErrorReporter.SEVERITY_FATAL_ERROR);
                    }
                    fAttributes.setURI(i, uri);
                    // checkDuplicates(fAttributeQName, fAttributes);
                }
            }
            
            if (length > 1) {
                QName name = fAttributes.checkDuplicatesNS();
                if (name != null) {
                    if (name.uri != null) {
                        fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN,
                                                   "AttributeNSNotUnique",
                                                   new Object[]{fElementQName.rawname, name.localpart, name.uri},
                                                   XMLErrorReporter.SEVERITY_FATAL_ERROR);
                    }
                    else {
                        fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN,
                                                   "AttributeNotUnique",
                                                   new Object[]{fElementQName.rawname, name.rawname}, 
                                                   XMLErrorReporter.SEVERITY_FATAL_ERROR);
                    }
                }
            }
        }


        // call handler
        if (fDocumentHandler != null) {
            if (empty) {

                //decrease the markup depth..
                fMarkupDepth--;

                // check that this element was opened in the same entity
                if (fMarkupDepth < fEntityStack[fEntityDepth - 1]) {
                    reportFatalError("ElementEntityMismatch",
                                     new Object[]{fCurrentElement.rawname});
                }

                fDocumentHandler.emptyElement(fElementQName, fAttributes, null);

                if (fBindNamespaces) {
                    fNamespaceContext.popContext();
                }
                //pop the element off the stack..
                fElementStack.popElement(fElementQName);
            } else {
                fDocumentHandler.startElement(fElementQName, fAttributes, null);
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src/org/apache/xerces/impl/XMLNSDocumentScannerImpl.java [369:469]:
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        } while (true);

        if (fBindNamespaces) {
            // REVISIT: is it required? forbit xmlns prefix for element
            if (fElementQName.prefix == XMLSymbols.PREFIX_XMLNS) {
                fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN,
                                           "ElementXMLNSPrefix",
                                           new Object[]{fElementQName.rawname},
                                           XMLErrorReporter.SEVERITY_FATAL_ERROR);
            }

            // bind the element
            String prefix = fElementQName.prefix != null
                            ? fElementQName.prefix : XMLSymbols.EMPTY_STRING;
            // assign uri to the element
            fElementQName.uri = fNamespaceContext.getURI(prefix);
            // make sure that object in the element stack is updated as well
            fCurrentElement.uri = fElementQName.uri;

            if (fElementQName.prefix == null && fElementQName.uri != null) {
                fElementQName.prefix = XMLSymbols.EMPTY_STRING;
                // making sure that the object in the element stack is updated too.
                fCurrentElement.prefix = XMLSymbols.EMPTY_STRING;
            }
            if (fElementQName.prefix != null && fElementQName.uri == null) {
                fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN,
                                           "ElementPrefixUnbound",
                                           new Object[]{fElementQName.prefix, fElementQName.rawname},
                                           XMLErrorReporter.SEVERITY_FATAL_ERROR);
            }

            // bind attributes (xmlns are already bound bellow)
            int length = fAttributes.getLength();
            // fLength = 0; //initialize structure
            for (int i = 0; i < length; i++) {
                fAttributes.getName(i, fAttributeQName);

                String aprefix = fAttributeQName.prefix != null
                                 ? fAttributeQName.prefix : XMLSymbols.EMPTY_STRING;
                String uri = fNamespaceContext.getURI(aprefix);
                // REVISIT: try removing the first "if" and see if it is faster.
                //
                if (fAttributeQName.uri != null && fAttributeQName.uri == uri) {
                    // checkDuplicates(fAttributeQName, fAttributes);
                    continue;
                }
                if (aprefix != XMLSymbols.EMPTY_STRING) {
                    fAttributeQName.uri = uri;
                    if (uri == null) {
                        fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN,
                                                   "AttributePrefixUnbound",
                                                   new Object[]{fElementQName.rawname,fAttributeQName.rawname,aprefix},
                                                   XMLErrorReporter.SEVERITY_FATAL_ERROR);
                    }
                    fAttributes.setURI(i, uri);
                    // checkDuplicates(fAttributeQName, fAttributes);
                }
            }
            
            if (length > 1) {
                QName name = fAttributes.checkDuplicatesNS();
                if (name != null) {
                    if (name.uri != null) {
                        fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN,
                                                   "AttributeNSNotUnique",
                                                   new Object[]{fElementQName.rawname, name.localpart, name.uri},
                                                   XMLErrorReporter.SEVERITY_FATAL_ERROR);
                    }
                    else {
                        fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN,
                                                   "AttributeNotUnique",
                                                   new Object[]{fElementQName.rawname, name.rawname}, 
                                                   XMLErrorReporter.SEVERITY_FATAL_ERROR);
                    }
                }
            }
        }


        // call handler
        if (fDocumentHandler != null) {
            if (empty) {

                //decrease the markup depth..
                fMarkupDepth--;

                // check that this element was opened in the same entity
                if (fMarkupDepth < fEntityStack[fEntityDepth - 1]) {
                    reportFatalError("ElementEntityMismatch",
                                     new Object[]{fCurrentElement.rawname});
                }

                fDocumentHandler.emptyElement(fElementQName, fAttributes, null);

                if (fBindNamespaces) {
                    fNamespaceContext.popContext();
                }
                //pop the element off the stack..
                fElementStack.popElement(fElementQName);
            } else {
                fDocumentHandler.startElement(fElementQName, fAttributes, null);
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