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Annotation of 42BSD/usr.lib/learn/files/L0.1a, revision 1.1.1.1

1.1       root        1: #print
                      2: Now you should understand the special characters ^H and @:
                      3: 
                      4:    ^H     cancels the previous character typed (called control-h)
                      5:     @     cancels the line being typed and puts you on a new line
                      6: 
                      7: ^H is typed by holding down the CTRL (for control) key and pressing
                      8: the letter 'h'.  The reason that there are the two characters
                      9: '^' and 'H' to represent one special character is that ^H usually
                     10: will not print on the screen.
                     11: 
                     12: If you make a typing mistake, you can use ^H and @ to correct it
                     13: before you finish the line and the computer won't ever know about it.
                     14: For example, what will the computer really receive if you type
                     15: 
                     16: st^Hhe@thf^He
                     17: 
                     18: at it?  Figure this out in your head and reply "answer WORD" where
                     19: WORD is the word as it will be interpreted, and don't forget RETURN.
                     20: For example, if you think it will get "dog", type
                     21: 
                     22: answer dog
                     23: 
                     24: #copyin
                     25: #user
                     26: #uncopyin
                     27: #match the
                     28: #bad answerthe
                     29: Leave a space between "answer" and "the".
                     30: #log
                     31: #next
                     32: 0.1b 5

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