Make the formatting of a code block name extendable...
Make the formatting of a code block name extendable
Currently the user display of a code block requires a tight coupling between the caching compiler and the ultratb file, i.e., ultratb needs to know internal private variables of the caching compiler. This change makes the user-visible display of the code block name the responsibility of the caching compiler. A nice result is that the caching compiler can be overridden to have custom terminology in different systems for code blocks executed.
