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      1  1.1  christos NOTE	implicit vs. explicit repetitions : 2009-02-02
      2  1.1  christos 
      3  1.1  christos # Glenn Fowler <gsf (a] research.att.com>
      4  1.1  christos # conforming matches (column 4) must match one of the following BREs
      5  1.1  christos #	NOMATCH
      6  1.1  christos #	(0,.)\((\(.\),\(.\))(?,?)(\2,\3)\)*
      7  1.1  christos #	(0,.)\((\(.\),\(.\))(\2,\3)(?,?)\)*
      8  1.1  christos # i.e., each 3-tuple has two identical elements and one (?,?)
      9  1.1  christos 
     10  1.1  christos E	((..)|(.))				NULL		NOMATCH
     11  1.1  christos E	((..)|(.))((..)|(.))			NULL		NOMATCH
     12  1.1  christos E	((..)|(.))((..)|(.))((..)|(.))		NULL		NOMATCH
     13  1.1  christos 
     14  1.1  christos E	((..)|(.)){1}				NULL		NOMATCH
     15  1.1  christos E	((..)|(.)){2}				NULL		NOMATCH
     16  1.1  christos E	((..)|(.)){3}				NULL		NOMATCH
     17  1.1  christos 
     18  1.1  christos E	((..)|(.))*				NULL		(0,0)
     19  1.1  christos 
     20  1.1  christos E	((..)|(.))				a		(0,1)(0,1)(?,?)(0,1)
     21  1.1  christos E	((..)|(.))((..)|(.))			a		NOMATCH
     22  1.1  christos E	((..)|(.))((..)|(.))((..)|(.))		a		NOMATCH
     23  1.1  christos 
     24  1.1  christos E	((..)|(.)){1}				a		(0,1)(0,1)(?,?)(0,1)
     25  1.1  christos E	((..)|(.)){2}				a		NOMATCH
     26  1.1  christos E	((..)|(.)){3}				a		NOMATCH
     27  1.1  christos 
     28  1.1  christos E	((..)|(.))*				a		(0,1)(0,1)(?,?)(0,1)
     29  1.1  christos 
     30  1.1  christos E	((..)|(.))				aa		(0,2)(0,2)(0,2)(?,?)
     31  1.1  christos E	((..)|(.))((..)|(.))			aa		(0,2)(0,1)(?,?)(0,1)(1,2)(?,?)(1,2)
     32  1.1  christos E	((..)|(.))((..)|(.))((..)|(.))		aa		NOMATCH
     33  1.1  christos 
     34  1.1  christos E	((..)|(.)){1}				aa		(0,2)(0,2)(0,2)(?,?)
     35  1.1  christos E	((..)|(.)){2}				aa		(0,2)(1,2)(?,?)(1,2)
     36  1.1  christos E	((..)|(.)){3}				aa		NOMATCH
     37  1.1  christos 
     38  1.1  christos E	((..)|(.))*				aa		(0,2)(0,2)(0,2)(?,?)
     39  1.1  christos 
     40  1.1  christos E	((..)|(.))				aaa		(0,2)(0,2)(0,2)(?,?)
     41  1.1  christos E	((..)|(.))((..)|(.))			aaa		(0,3)(0,2)(0,2)(?,?)(2,3)(?,?)(2,3)
     42  1.1  christos E	((..)|(.))((..)|(.))((..)|(.))		aaa		(0,3)(0,1)(?,?)(0,1)(1,2)(?,?)(1,2)(2,3)(?,?)(2,3)
     43  1.1  christos 
     44  1.1  christos E	((..)|(.)){1}				aaa		(0,2)(0,2)(0,2)(?,?)
     45  1.1  christos E	((..)|(.)){2}				aaa		(0,3)(2,3)(?,?)(2,3)
     46  1.1  christos E	((..)|(.)){3}				aaa		(0,3)(2,3)(?,?)(2,3)
     47  1.1  christos 
     48  1.1  christos E	((..)|(.))*				aaa		(0,3)(2,3)(?,?)(2,3)
     49  1.1  christos 
     50  1.1  christos E	((..)|(.))				aaaa		(0,2)(0,2)(0,2)(?,?)
     51  1.1  christos E	((..)|(.))((..)|(.))			aaaa		(0,4)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)
     52  1.1  christos E	((..)|(.))((..)|(.))((..)|(.))		aaaa		(0,4)(0,2)(0,2)(?,?)(2,3)(?,?)(2,3)(3,4)(?,?)(3,4)
     53  1.1  christos 
     54  1.1  christos E	((..)|(.)){1}				aaaa		(0,2)(0,2)(0,2)(?,?)
     55  1.1  christos E	((..)|(.)){2}				aaaa		(0,4)(2,4)(2,4)(?,?)
     56  1.1  christos E	((..)|(.)){3}				aaaa		(0,4)(3,4)(?,?)(3,4)
     57  1.1  christos 
     58  1.1  christos E	((..)|(.))*				aaaa		(0,4)(2,4)(2,4)(?,?)
     59  1.1  christos 
     60  1.1  christos E	((..)|(.))				aaaaa		(0,2)(0,2)(0,2)(?,?)
     61  1.1  christos E	((..)|(.))((..)|(.))			aaaaa		(0,4)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)
     62  1.1  christos E	((..)|(.))((..)|(.))((..)|(.))		aaaaa		(0,5)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)(4,5)(?,?)(4,5)
     63  1.1  christos 
     64  1.1  christos E	((..)|(.)){1}				aaaaa		(0,2)(0,2)(0,2)(?,?)
     65  1.1  christos E	((..)|(.)){2}				aaaaa		(0,4)(2,4)(2,4)(?,?)
     66  1.1  christos E	((..)|(.)){3}				aaaaa		(0,5)(4,5)(?,?)(4,5)
     67  1.1  christos 
     68  1.1  christos E	((..)|(.))*				aaaaa		(0,5)(4,5)(?,?)(4,5)
     69  1.1  christos 
     70  1.1  christos E	((..)|(.))				aaaaaa		(0,2)(0,2)(0,2)(?,?)
     71  1.1  christos E	((..)|(.))((..)|(.))			aaaaaa		(0,4)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)
     72  1.1  christos E	((..)|(.))((..)|(.))((..)|(.))		aaaaaa		(0,6)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)(4,6)(4,6)(?,?)
     73  1.1  christos 
     74  1.1  christos E	((..)|(.)){1}				aaaaaa		(0,2)(0,2)(0,2)(?,?)
     75  1.1  christos E	((..)|(.)){2}				aaaaaa		(0,4)(2,4)(2,4)(?,?)
     76  1.1  christos E	((..)|(.)){3}				aaaaaa		(0,6)(4,6)(4,6)(?,?)
     77  1.1  christos 
     78  1.1  christos E	((..)|(.))*				aaaaaa		(0,6)(4,6)(4,6)(?,?)
     79  1.1  christos 
     80  1.1  christos NOTE	additional repetition tests graciously provided by Chris Kuklewicz www.haskell.org 2009-02-02
     81  1.1  christos 
     82  1.1  christos # These test a bug in OS X / FreeBSD / NetBSD, and libtree. 
     83  1.1  christos # Linux/GLIBC gets the {8,} and {8,8} wrong.
     84  1.1  christos 
     85  1.1  christos :HA#100:E	X(.?){0,}Y	X1234567Y	(0,9)(7,8)
     86  1.1  christos :HA#101:E	X(.?){1,}Y	X1234567Y	(0,9)(7,8)
     87  1.1  christos :HA#102:E	X(.?){2,}Y	X1234567Y	(0,9)(7,8)
     88  1.1  christos :HA#103:E	X(.?){3,}Y	X1234567Y	(0,9)(7,8)
     89  1.1  christos :HA#104:E	X(.?){4,}Y	X1234567Y	(0,9)(7,8)
     90  1.1  christos :HA#105:E	X(.?){5,}Y	X1234567Y	(0,9)(7,8)
     91  1.1  christos :HA#106:E	X(.?){6,}Y	X1234567Y	(0,9)(7,8)
     92  1.1  christos :HA#107:E	X(.?){7,}Y	X1234567Y	(0,9)(7,8)
     93  1.1  christos :HA#108:E	X(.?){8,}Y	X1234567Y	(0,9)(8,8)
     94  1.1  christos :HA#110:E	X(.?){0,8}Y	X1234567Y	(0,9)(7,8)
     95  1.1  christos :HA#111:E	X(.?){1,8}Y	X1234567Y	(0,9)(7,8)
     96  1.1  christos :HA#112:E	X(.?){2,8}Y	X1234567Y	(0,9)(7,8)
     97  1.1  christos :HA#113:E	X(.?){3,8}Y	X1234567Y	(0,9)(7,8)
     98  1.1  christos :HA#114:E	X(.?){4,8}Y	X1234567Y	(0,9)(7,8)
     99  1.1  christos :HA#115:E	X(.?){5,8}Y	X1234567Y	(0,9)(7,8)
    100  1.1  christos :HA#116:E	X(.?){6,8}Y	X1234567Y	(0,9)(7,8)
    101  1.1  christos :HA#117:E	X(.?){7,8}Y	X1234567Y	(0,9)(7,8)
    102  1.1  christos :HA#118:E	X(.?){8,8}Y	X1234567Y	(0,9)(8,8)
    103  1.1  christos 
    104  1.1  christos # These test a fixed bug in my regex-tdfa that did not keep the expanded
    105  1.1  christos # form properly grouped, so right association did the wrong thing with
    106  1.1  christos # these ambiguous patterns (crafted just to test my code when I became
    107  1.1  christos # suspicious of my implementation).  The first subexpression should use
    108  1.1  christos # "ab" then "a" then "bcd".
    109  1.1  christos 
    110  1.1  christos # OS X / FreeBSD / NetBSD badly fail many of these, with impossible
    111  1.1  christos # results like (0,6)(4,5)(6,6).
    112  1.1  christos 
    113  1.1  christos :HA#260:E	(a|ab|c|bcd){0,}(d*)	ababcd	(0,6)(3,6)(6,6)
    114  1.1  christos :HA#261:E	(a|ab|c|bcd){1,}(d*)	ababcd	(0,6)(3,6)(6,6)
    115  1.1  christos :HA#262:E	(a|ab|c|bcd){2,}(d*)	ababcd	(0,6)(3,6)(6,6)
    116  1.1  christos :HA#263:E	(a|ab|c|bcd){3,}(d*)	ababcd	(0,6)(3,6)(6,6)
    117  1.1  christos :HA#264:E	(a|ab|c|bcd){4,}(d*)	ababcd	NOMATCH
    118  1.1  christos :HA#265:E	(a|ab|c|bcd){0,10}(d*)	ababcd	(0,6)(3,6)(6,6)
    119  1.1  christos :HA#266:E	(a|ab|c|bcd){1,10}(d*)	ababcd	(0,6)(3,6)(6,6)
    120  1.1  christos :HA#267:E	(a|ab|c|bcd){2,10}(d*)	ababcd	(0,6)(3,6)(6,6)
    121  1.1  christos :HA#268:E	(a|ab|c|bcd){3,10}(d*)	ababcd	(0,6)(3,6)(6,6)
    122  1.1  christos :HA#269:E	(a|ab|c|bcd){4,10}(d*)	ababcd	NOMATCH
    123  1.1  christos :HA#270:E	(a|ab|c|bcd)*(d*)	ababcd	(0,6)(3,6)(6,6)
    124  1.1  christos :HA#271:E	(a|ab|c|bcd)+(d*)	ababcd	(0,6)(3,6)(6,6)
    125  1.1  christos 
    126  1.1  christos # The above worked on Linux/GLIBC but the following often fail.
    127  1.1  christos # They also trip up OS X / FreeBSD / NetBSD:
    128  1.1  christos 
    129  1.1  christos :HA#280:E	(ab|a|c|bcd){0,}(d*)	ababcd	(0,6)(3,6)(6,6)
    130  1.1  christos :HA#281:E	(ab|a|c|bcd){1,}(d*)	ababcd	(0,6)(3,6)(6,6)
    131  1.1  christos :HA#282:E	(ab|a|c|bcd){2,}(d*)	ababcd	(0,6)(3,6)(6,6)
    132  1.1  christos :HA#283:E	(ab|a|c|bcd){3,}(d*)	ababcd	(0,6)(3,6)(6,6)
    133  1.1  christos :HA#284:E	(ab|a|c|bcd){4,}(d*)	ababcd	NOMATCH
    134  1.1  christos :HA#285:E	(ab|a|c|bcd){0,10}(d*)	ababcd	(0,6)(3,6)(6,6)
    135  1.1  christos :HA#286:E	(ab|a|c|bcd){1,10}(d*)	ababcd	(0,6)(3,6)(6,6)
    136  1.1  christos :HA#287:E	(ab|a|c|bcd){2,10}(d*)	ababcd	(0,6)(3,6)(6,6)
    137  1.1  christos :HA#288:E	(ab|a|c|bcd){3,10}(d*)	ababcd	(0,6)(3,6)(6,6)
    138  1.1  christos :HA#289:E	(ab|a|c|bcd){4,10}(d*)	ababcd	NOMATCH
    139  1.1  christos :HA#290:E	(ab|a|c|bcd)*(d*)	ababcd	(0,6)(3,6)(6,6)
    140  1.1  christos :HA#291:E	(ab|a|c|bcd)+(d*)	ababcd	(0,6)(3,6)(6,6)
    141