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|ID||Project||Category||View Status||Date Submitted||Last Update|
|0000082||Core Inform||Properties||public||2010-06-21 11:27||2010-07-01 23:07|
|Platform||x86||OS||Mac OS X||OS Version||10.4|
|Target Version||Fixed in Version||6E72|
|Summary||0000082: Well-defined adjectives depending on a truth state property fail if the adjective is one word|
|Description||The source attached results in::|
Problem. You gave as a definition 'an animal is across-Wallace's-line if its Australian origin is false' : but the property value given here has a kind which can't be subject to numerical comparisons, so it doesn't make sense to talk about it being 'more' or 'less'.
if across-Wallace's-line is hyphenated, so that it forms one word. Removing a hyphen seems to result in the expected behavior.
|Minimal Source Text To Reproduce|
Somewhere near the East Asian Continental Shelf is a room. An animal has a truth state called Australian origin. Definition: an animal is across-Wallace's-line if its Australian origin is false.
|Tags||No tags attached.|
|Effect||(serious) Compiler rejects valid code|
I believe this is an "error message is badly worded" issue: the "if its ... is ..." form of adjective is described in 6.6 for numeric comparisons, and truth state is not a numeric type. However, the problem message refers to "more" and "less" which make no sense in this context.
On the other hand, it would make sense to allow the adjective form specifying an exact value for other types, and in fact the definition is allowed if the adjective name is more than one word. But when defined that way, the adjective can't be used in an assertion about an object (we can test it but not set it).
|Ah, you are right. Thanks for pointing that out.|
|I agree with Jesse's second thought, i.e., I think the source here was valid if unusual. The problem message was a last-minute addition to 6E59, and I made it a little too trigger-happy. (Actually I remember wondering about this case at the time, but somehow there was a lot to do, and I moved on without thinking about it further. Or enough, as it turned out.)|
|2010-06-21 11:27||EmacsUser||New Issue|
|2010-06-21 11:28||EmacsUser||Severity||mild => serious|
|2010-06-21 12:30||jmcgrew||Effect||(serious) Compiler rejects valid code => (cosmetic) Error message is badly worded|
|2010-06-21 12:30||jmcgrew||Note Added: 0000104|
|2010-06-21 12:30||jmcgrew||Severity||serious => cosmetic|
|2010-06-21 12:30||jmcgrew||Status||new => confirmed|
|2010-06-21 12:41||EmacsUser||Note Added: 0000105|
|2010-06-22 14:56||graham||Note Added: 0000128|
|2010-06-22 14:56||graham||Status||confirmed => resolved|
|2010-06-22 14:56||graham||Resolution||open => fixed|
|2010-06-22 14:56||graham||Assigned To||=> graham|
|2010-06-22 15:23||jmcgrew||Effect||(cosmetic) Error message is badly worded => (serious) Compiler rejects valid code|
|2010-06-22 15:23||jmcgrew||Severity||cosmetic => serious|
|2010-06-30 18:07||jmcgrew||Fixed in Version||=> 6E72|
|2010-07-01 23:07||jmcgrew||Status||resolved => closed|
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