hehe.

I don't think we should burden ourselves with handling of every UNICODE nuance after all :)

Perhaps a clear warning in the documentation for spreadsheet based decision tables alerting the user to the problem of "smart" quotes" would be enough?

There are cells where most variants of double quote (especiall double high-9 or 6) could be silently transformed (especially if there is no U+0022 in that cell) or cause a warning.

As for data cells, anything is possible. An alternative form for parameter insertion might solve this problem, and also an option could be considered.

I suspect we have certain assumptions about the code-points of all the punctuation in our DRL grammer.

Special characters and digits: yes. Letters for identifiers according to Java. Not sure whether all variants of "space" are permitted.

It would help a lot if the lexer/parser would add the code point where it hiccups on a single character. Consider:
[ERR 101] Line 12:19 no viable alternative at input '' (U+201E)

-W

What do you think?
2011/8/26 Wolfgang Laun <wolfgang.laun@gmail.com>
Michael,

may I point you to http://unicode.org/uni2book/ch06.pdf and don't shy away from the intricacies of double quotes in all the world's languages ;-)

Quotes, in a spreadsheet's text fields, are punctuations in the author's language and usually not delimiters of some programming language. Using a spreadsheet for collecting code snippets is not the everyday use case.

-W
2011/8/26 Michael Anstis <michael.anstis@gmail.com>
Can you be certain the author of the spreadsheet has not entered the erroneous, although cosmetically similar, quotation marks?

I find it unlikely Open Office Spreadsheet chooses to use ASCII quotation marks in some places but UNICODE, visually similar but otherwise completely different, in others.
2011/8/26 Manohar Kokkula <manohar.kokkula@tcs.com>
I am using Open Office Spreadsheet to create decision table. So what should i do to resolve this..
Please help me on this.

Regards,
Manohar Kokkula
Mailto: manohar.kokkula@tcs.com

-----rules-users-bounces@lists.jboss.org wrote: -----
To: Rules Users List <rules-users@lists.jboss.org>
From: Wolfgang Laun
Sent by: rules-users-bounces@lists.jboss.org

Date: 08/26/2011 12:26AM

Subject: Re: [rules-users] Error is Java.lang.RuntimeException

Heh :) Looking at the DRL, I spotted it:

> rule "Allocation Rules_10"
> when
> $s:Student(marks == "60", age == "20")
> $c:College(ranking == "A", location == "Mumbai")
> then

Up there, all quotes are ASCII quotes, code point U+0022.

> $s.setDepartment(“Maths”);
> $c.setStatus(“NA”);

But in your spreadsheet you have one of the several other quotation marks as defined by the unicode standard, the one the authors of your spreadsheet program deemed fit to be sneaked in when you hit shift-2 (or whatever, depending on your keyboard).

On 25 August 2011 16:21, FrankVhh <frank.vanhoenshoven@agserv.eu> wrote:
Shouldn't marks and age be integer values and not Strings?
No, these are converted automatically.

-W

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