Add tab closing to usage
<p>To save changes to a java program, the process is the same as opening programs, but instead clicking the <i>"Save Jar"</i> button. For the saved file selecting an existing file is not suggested. Instead, put a new name in the box before selecting <i>"open"</i>.</p>
<a name="general-3"></a><h4>Navigating Programs</h4>
<p>When you open your program in Recaf, only top level packages are visible. To toggle expanding the packages, you can double click the packages, click the arrows next to the package icons, or select the package and use the arrow keys.</p>
- <p>To open a class file <i>(Indicated by the green icon for classes, blue icon for interfaces, and brown icon for enums)</i> double click on the item. This will open the class in the main section of the GUI. If you open multiple classes you can switch between them by clicking <a href="img/tabs.png">the tabs on the top of the section</a>.</p>
+ <p>To open a class file <i>(Indicated by the green icon for classes, blue icon for interfaces, and brown icon for enums)</i> double click on the item. This will open the class in the main section of the GUI. If you open multiple classes you can switch between them by clicking <a href="img/tabs.png">the tabs on the top of the section</a>. To close a tab middle click it <i>(press the scroll wheel)</i>.</p>
<a name="general-4"></a><h4>Changing Settings</h4>
<p>All options are available through the <a href="img/options.png">options menu</a> on the navigation bar. Currently all options are on-or off values, indicated by checkboxes. Some groups of options are put on their own page <i>(Such as ASM flags)</i> which can be opened by clicking on their button in the options drop-down menu.</p>
<a name="general-5"></a><h4>Searching</h4>
