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bread crumbs: n. 1. Debugging statements inserted into a program that emit output or
log indicators of the program's state to a file so
you can see where it dies or pin down the cause of surprising behavior. The
term is probably a reference to the Hansel and Gretel story from the
Brothers Grimm or the older French folktale of Thumbelina; in several
variants of these, a character leaves a trail of bread crumbs so as not to
get lost in the woods. 2. In user-interface design, any feature that allows some tracking
of where you've been, like coloring visited links purple rather than blue
in Netscape (also called footprinting).
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