f would still do
what it always did.</p><p>But a patent is a blanket injunction against implementing a
certain idea.  It doesn't matter who writes the code, nor even what
programming language is used.  Once someone has accused a free
software project of infringing a patent, the project must either stop
implementing that particular feature, or face an expensive and
time-consuming lawsuit.  Since the instigators of such lawsuits are
usually corporations with deep pockets—that's who has the
resources and inc