Bug 42199 Select Next/Previous Word is broken when navigating over sequence of upper-case letters
I20030827: When positioning the caret to the right of sequences with pattern a* A+ a*, where A+ consists of more than two upper-case letters, the caret is moved to the beginning instead in front of the first A when using Ctrl+Arrow_Left.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
return;
											
				offset= -1;
				length= -1;
				
				if (reference instanceof IMember) {
					range= ((IMember) reference).getNameRange();
					if (range != null) {
						offset= range.getOffset();
						length= range.getLength();
					}
				} else if (reference instanceof IImportDeclaration) {
					String name= ((IImportDeclaration) reference).getElementName();
					if (name != null && name.length() > 0) {
						String content= reference.getSource();
						if (content != null) {
							offset= range.getOffset() + content.indexOf(name);
							length= name.length();
						}
					}
				} else if (reference instanceof IPackageDeclaration) {
					String name= ((IPackageDeclaration) reference).getElementName();
					if (name != null && name.length() > 0) {
						String content= reference.getSource();
						if (content != null) {
							offset= range.getOffset() + content.indexOf(name);
							length= name.length();
						}
					}
				}