Bug 97167 wrong proposals for linked folder in New Java Project>Link Additional Resource
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/newsourcepage/LinkFolderDialog.java
gridData.minimumWidth= convertWidthInCharsToPixels(80);
        composite.setLayoutData(gridData);
        
        Label label= new Label(composite, SWT.NONE);
        label.setFont(composite.getFont());
        label.setText(Messages.format(NewWizardMessages.LinkFolderDialog_createIn, fContainer.getFullPath().makeRelative().toString())); 
		label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, numOfColumns, 1));
        
        fDependenciesGroup= new LinkFields(composite, numOfColumns);
        fFolderNameField= new FolderNameField(composite, numOfColumns);
        
        Validator validator= new Validator();
        fDependenciesGroup.addObserver(validator);
        fFolderNameField.addObserver(validator);
        return composite;
    }
    /**
     * Creates a folder resource handle for the folder with the given name.
     * The folder handle is created relative to the container specified during 
     * object creation. 
     *
     * @param folderName the name of the folder resource to create a handle for
     * @return the new folder resource handle
     */
    private IFolder createFolderHandle(String folderName) {
        IWorkspaceRoot workspaceRoot = fContainer.getWorkspace().getRoot();
        IPath folderPath = fContainer.getFullPath().append(folderName);
        IFolder folderHandle = workspaceRoot.getFolder(folderPath);
        return folderHandle;
    }