But there's one undocumented feature I wrote into it which seems to have resurfaced, and it's our job to make sure it stays under.

And, he added, Microsoft uses undocumented features in its operating systems that give the company's other software products an edge over those of its competitors.

Another undocumented feature of Exposé is for the show desktop function.

Wouldn't it be useful if a metafile could contain executable code, sort of as an undocumented feature?

In other cases, software bugs are referred to jokingly as undocumented features.

Ironically, undocumented features themselves have become a major feature of computer games.

The undocumented features of foreign games are often elements that were not localized from their native language.

Soon followed a patch to version 5.01, which fixed some bugs and added a few undocumented features.

Software companies that are responsible for the bugs often refer to them as "undocumented features."

However, they are only compatible on function level and don't reproduce the original undocumented features.