<ais523> ` printf \'#include <stdio.h>\\nint main(void) { float C = 4.0; printf("%%f", C/C++); }\' | gcc -fno-diagnostics-color -Wall -Wextra -x c /dev/stdin

`learn creates a wisdom entry and tries to guess which word is the key. Syntax (case insensitive): `learn [a|an|the] <keyword>[s][punctuation] [...]