On Wed, Jul 21, 2010 at 14:23, Csaba Raduly <[email protected]> wrote: > On Tue, Jul 20, 2010 at 3:40 AM, Dan Sommers wrote: >> Given this schema file, t.xsd: >> >> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";> >> <xs:element name="t" type="xs:double"/> >> </xs:schema> >> >> And this xml document, t.xml: >> >> <t>e</t> >> >> I got this: >> >> $ xmllint --schema t.xsd t.xml >> <?xml version="1.0"?> >> <t>e</t> >> t.xml validates >> >> Note that <t>.</t> and <t>.e</t> also validate. >> >> I tracked it down to xmlschematypes.c, starting around line 2465, where >> it starts scanning the input for something suitable for sscanf("%lf"). >> Should that code contain an extra check that there is at least one digit >> somewhere? > > I think you are right. This code: > while ((*cur >= '0') && (*cur <= '9')) { > cur++; > } > accepts 0 or more digits (before the period); perhaps it should check > for 1 or more digits instead:
No! The case like ".5" instead of "0.5" is perfectly valid and widely used! Whether the "." or "e" are valid string representation of the "double" type or should be rejected -- it's another matter. But zero digits before dot are absolutely correct and should be allowed. -- Andrew W. Nosenko <[email protected]> _______________________________________________ xml mailing list, project page http://xmlsoft.org/ [email protected] http://mail.gnome.org/mailman/listinfo/xml
