From: Daniel S. <da...@pr...> - 2007-02-20 05:25:01
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> So clearly they're allowed, in 1.2_3 the underscore is simply=20 > ignored and > the parser should undestand 1.23. If I fancy to write my own=20 > YAML by hand > and make it easily readable (which is kind of the original=20 > purpose) I could > write 100_000_000.03 which would be a nice looking float. Hence the > ambiguity with "1.2_3" Hmmmm... I just noticed that the specification (http://yaml.org/type/float.html) isn't just unclear, it's inconsistent. The examples listed include: exponentioal: 685.230_15e+03 Notwithstanding the spelling of exponential, that example is not consistent with the regular expression (which allows underscores only if they preceed the decimal point - [-+]?([0-9][0-9_]*)?\.[0-9.]*([eE][-+][0-9]+)?). Dan. |
From: Clark C. E. <cc...@cl...> - 2007-02-24 05:48:28
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This is horrible, IMHO. It has to be fixed. I'm very sorry for the late response. Clark On Tue, Feb 20, 2007 at 04:17:20PM +1100, Daniel Sheppard wrote: | > So clearly they're allowed, in 1.2_3 the underscore is simply | > ignored and | > the parser should undestand 1.23. If I fancy to write my own | > YAML by hand | > and make it easily readable (which is kind of the original | > purpose) I could | > write 100_000_000.03 which would be a nice looking float. Hence the | > ambiguity with "1.2_3" | | Hmmmm... I just noticed that the specification | (http://yaml.org/type/float.html) isn't just unclear, it's inconsistent. | | The examples listed include: | | exponentioal: 685.230_15e+03 | | Notwithstanding the spelling of exponential, that example is not | consistent with the regular expression (which allows underscores only if | they preceed the decimal point - | [-+]?([0-9][0-9_]*)?\.[0-9.]*([eE][-+][0-9]+)?). | | Dan. | | ------------------------------------------------------------------------- | Take Surveys. Earn Cash. Influence the Future of IT | Join SourceForge.net's Techsay panel and you'll get the chance to share your | opinions on IT & business topics through brief surveys-and earn cash | http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV | _______________________________________________ | Yaml-core mailing list | Yam...@li... | https://lists.sourceforge.net/lists/listinfo/yaml-core |