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Annotation of 43BSD/contrib/icon/man/cat2/snapshot.2, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: 
        !             4: SNAPSHOT(2)           Icon Program Library            SNAPSHOT(2)
        !             5: 
        !             6: 
        !             7: 
        !             8: NNNNAAAAMMMMEEEE
        !             9:      snapshot - snapshot of state of string scanning
        !            10: 
        !            11: DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
        !            12:      The procedure ssssnnnnaaaappppsssshhhhooootttt(((()))) writes a snapshot of the state of
        !            13:      string scanning, showing the value of &&&&ssssuuuubbbbjjjjeeeecccctttt and &&&&ppppoooossss. For
        !            14:      example,
        !            15: 
        !            16:           "((a+b)-delta)/(c*d))" ? (tab(bal('+-/*')) & snapshot())
        !            17: 
        !            18:      produces
        !            19: 
        !            20:           -------------------------------------
        !            21:           |                                   |
        !            22:           | &subject = "((a+b)-delta)/(c*d))" |
        !            23:           |                          |        |
        !            24:           -------------------------------------
        !            25: 
        !            26:      Note that the bar showing the &&&&ppppoooossss is positioned under the
        !            27:      &&&&ppppoooossssth character (actual positions are between characters).
        !            28:      If &&&&ppppoooossss is at the end of &&&&ssssuuuubbbbjjjjeeeecccctttt, the bar is positioned
        !            29:      under the quotation mark delimiting the subject. For exam-
        !            30:      ple,
        !            31: 
        !            32:           "abcdefgh" ? (tab(0) & snapshot())
        !            33: 
        !            34:      produces
        !            35: 
        !            36:           -------------------------
        !            37:           |                       |
        !            38:           | &subject = "abcdefgh" |
        !            39:           |                     | |
        !            40:           -------------------------
        !            41: 
        !            42:      Escape sequences are handled properly. For example,
        !            43: 
        !            44:           "abc\tdef\nghi" ? (tab(upto('\n')) & snapshot())
        !            45: 
        !            46:      produces
        !            47: 
        !            48:           ------------------------------
        !            49:           |                            |
        !            50:           | &subject = "abc\tdef\nghi" |
        !            51:           |                     |      |
        !            52:           ------------------------------
        !            53: 
        !            54: 
        !            55: AAAAUUUUTTTTHHHHOOOORRRR
        !            56:      Ralph E. Griswold
        !            57: 
        !            58: 
        !            59: 
        !            60: 
        !            61: 
        !            62: 
        !            63: Version 5.9    The University of Arizona - 4/9/83               1
        !            64: 
        !            65: 
        !            66: 

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