foozy@708: $ \textbf{grep printf hello.c}
foozy@708: 	printf("hello, world!\textbackslash{}");
foozy@708: $ \textbf{hg update tip}
foozy@708: 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
foozy@708: $ \textbf{grep printf hello.c}
foozy@708: 	printf("hello, world!\textbackslash{}");
foozy@708: 	printf("hello again!\textbackslash{}n");