Changes

== Accessing buffer names ==

It's not easy to access buffer names from ConTeXt because ConTeXt stores the buffers in a local variable <code>cache</code> which is an upvalue for all the other functions. However, you can use the Lua <code>debug</code> library to access upvalues. The <code>buffers.erase</code> function only has a single upvalue which is <code>cache</code>, making it easy to extract all the buffer names from that. However, you can't get them in the order of declaration because <code>cache</code> is a hashmap and not an array. Moreover, ConTeXt is usually in sandboxing mode. To get access to the `debug` library you have to run ConTeXt with: