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empty text

Danielle et jean Thierry-Mieg mieg at kaa.crbm.cnrs-mop.fr
Fri Oct 10 03:25:11 EST 1997


consider
acedb> model A2
?A2 A Text Text Int
    B Text ?Text Int
    C Text


we no longer allow emty or blank ?Text, but this is ok for Text
example:

acedb> parse
// Type in your data in .ace format, then CTRL-D to finish
A2 a21
A toto tuutu 67

A2 a31
A "" tutu 42

// 2 objects read with 0 errors// 2 Active Objects 
acedb> show

A2 : "a21"
  A   toto    tuutu   67

A2 : "a31"
  A       tutu    42

// 2 object dumped
// 2 Active Objects 



acedb> parse
// Type in your data in .ace format, then CTRL-D to finish
A2 a41
B toto "" 31
// Parse error near line 2 in a41 : Blank object names names are illicit, sorry



*************

Do you think that empty ?Text : " " beeing equivalent to ""
should be allowed back in future releases

personally, i would say yes,

note that the ace dump is correct:

acedb> show -a

A2 : "a21"
A        "toto" "tuutu" 67

A2 : "a31"
A        "" "tutu" 42





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