Xmlparser needs to give line and column in source where error occurs

[AM909]

What steps will reproduce the problem?

1. Specify a presets file that has an XML syntactical or structural error in it.

What is the expected result?

org.openstreetmap.josm.tools.XmlObjectParser() should produce an error message with an understandable description of the problem and, more importantly, the file and location at which the error occurred.

What happens instead?

In r4655, a stack trace, the top line of which is sometimes understandable, but with no information to help locate the error.

Please provide any additional information below. Attach a screenshot if
possible.

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2011-12-12 02:32:15
Last Changed Author: stoecker
Revision: 4655
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2011-12-11 23:06:22 +0100 (Sun, 11 Dec 2011)
Last Changed Rev: 4655

Identification: JOSM/1.5 (4655 en)
Memory Usage: 49 MB / 742 MB (17 MB allocated, but free)
Java version: 1.6.0_29, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows XP

Plugin: CommandLine (26986)
Plugin: alignways (26986)
Plugin: buildings_tools (26731)
Plugin: ext_tools (26986)
Plugin: openstreetbugs (26986)
Plugin: turnrestrictions (26986)
Plugin: undelete (26928)
Plugin: utilsplugin2 (26986)
Plugin: waydownloader (26986)

java.lang.RuntimeException: org.xml.sax.SAXParseException: cvc-complex-type.2.4.d: Invalid content was found starting with element 'space'. No child element is expected at this point.
	at org.openstreetmap.josm.tools.XmlObjectParser.start(XmlObjectParser.java:296)
	at org.openstreetmap.josm.tools.XmlObjectParser.startWithValidation(XmlObjectParser.java:316)
	at org.openstreetmap.josm.gui.tagging.TaggingPreset.readAll(TaggingPreset.java:1133)
	at org.openstreetmap.josm.gui.tagging.TaggingPreset.readAll(TaggingPreset.java:1200)
	at org.openstreetmap.josm.gui.preferences.TaggingPresetPreference$1.validatePreferences(TaggingPresetPreference.java:85)
	at org.openstreetmap.josm.gui.preferences.PreferenceDialog$OKAction.actionPerformed(PreferenceDialog.j

[jttt]

Fixed in r4726