Kawa/gnu/xquery/util/ChangeLog

2016-11-28  Per Bothner  <per@bothner.com>

	Incomplete support for using IString for strings.
	* BooleanValue.java: Generalize String to CharSequence.
	* QNameUtils.java: Likewise.

2015-08-02  Per Bothner  <per@bothner.com>

	* ArithOp.java: Use new leastSpecificCode and/or UNKNOWN_CODE.
	* MinMax.java: Likewise.

2015-06-08  Per Bothner  <per@bothner.com>

	* CompileMisc.java (compiledOrderedMap): Update call to compileInvoke.

2015-01-21  Per Bothner  <per@bothner.com>

	* CompileMisc.java (validateApplyValuesFilter)
	validateApplyRelativeStep): Use new setInlineOnly method.

2015-01-20  Per Bothner  <per@bothner.com>

	* NodeUtils.java (resolve): Fix an 'oops' - actually use base.

2014-08-28  Per Bothner  <per@bothner.com>

	* CompileMisc.java validateApplyValuesFilter): Fix two errors
	in setting expression type.

2014-07-02  Per Bothner  <per@bothner.com>

	* CastAs.java: Update for changes to super-type.

2014-02-16  Per Bothner  <per@bothner.com>

	* CompileMisc.java: Make sure Error is uncaught or re-thrown.
	* Debug.java: Likewise.
	* NodeUtils.java: Likewise.
	* NumberValue.java: Likewise.
	* SequenceUtils.java: Likewise.

2013-11-28  Matthieu Vachon <matthieu.o.vachon@gmail.com>

	* DistinctValues.java, RelativeStepFilter.java: Don't use @Override
	for a method implementing an interface - Java 5 doesn't like it.

2013-11-03  Per Bothner  <per@bothner.com>

	* CastAs.java (apply2): Update for new Values API.
	* CompileMisc.java (validateApplyValuesFilter): Update size
	method no longer in Nodes class.
	* OrderedTuples.java (ignoring): New method.

	* SequenceUtils.java (subList$C): Re-write to not depend on
	TreeList internals.

2013-11-02  Per Bothner  <per@bothner.com>

	Reduce dependences on the implementation of the Values class.
	* Average.java: Remove needlessly-precise downcast.
	* MinMax.java: Likewise.
	* Reduce.java: Likewise.
	* BooleanValue.java: Use generic AbstractSequence position API.
	* Compare.java: Likewise.

2013-11-01  Per Bothner  <per@bothner.com>

	* DistinctValues.java (consume): Rename to writePosition.
	* RelativeStepFilter.java: Likewise.

2012-07-15  Per Bothner  <per@bothner.com>

	* Makefile.am (SCM_COMPILE_FLAGS): New macro.

	* IntegerRange.java: No longer extend MethodProc.
	(apply): Remove method.
	(integerRange$X): New static method.
	* Xutils.scm (integerRange): New function, uses integerRange$X.

2012-07-14  Per Bothner  <per@bothner.com>

	* SubList.java: Class removed.
	(subList): Moved to SequenceUtils.
	* SequenceUtils.java (subList$X, subList$C): New methods.
	* Makefile.am: Update accordingly.
	* Xutils.scm (sublist): New function.

2012-07-10  Per Bothner  <per@bothner.com>

	* Xutils.scm: Moved from gnu/kawa/slib.
	* Makefile.am: Update accordingly.
	* Xutils.scm (every-or-some-values, every, some): New functions.
	* ValuesEvery.java: Removed class.

2012-03-20  Per Bothner  <per@bothner.com>

	* CompileMisc.java: Add needed setCanRead calls.

2011-03-23  Per Bothner  <per@bothner.com>

	* CompileMisc.java (validateApplyValuesFilter): Use letStart/letVariable
	etc methods instead of creating LetExp directly.
	(validateApplyRelativeStep): Likewise.

2010-09-16  Per Bothner  <per@bothner.com>

	* CompileMisc.java: Update validateApply methods, which no longer
	take a 'boolean argsInlined' parameter.

2010-08-27  Per Bothner  <per@bothner.com>

	* CastableAs.java: Update to use Procedure.validateApplyKey,
	and move inlineXxx method to CompileMisc.
	* CastAs.java: Likewise.
	* CompileMisc.java: New (Moved/renamed) validateXxx methods.

	* ValuesFilter.java: Update to use Procedure.validateApplyKey,
	and move inlineXxx method to CompileMisc.
	* RelativeStep.java: Likewise.
	* OrderedMap.java: Likewise.
	Also move guts of compile method and typeTuples static to CompileMisc.
	* CompileMisc.java: New (Moved/renamed) validateXxx methods.

2010-08-26  Per Bothner  <per@bothner.com>

	* ArithOp.java: Update to use Procedure.validateApplyKey.
	* BooleanValue.java: Likewise.
	* Compare.java: Likewise.
	* CompileMisc.java: Rename inlineXxx methods to validateXxx
	methods that take an extra require_type parameter.

2010-04-10  Per Bothner  <per@bothner.com>

	* StringUtils.java (normalizeUnicode): Add a try-catch for a better
	error when java.text.Normalizer is missing, in JAVA6COMPAT5 mode.

2009-11-22  Per Bothner  <per@bothner.com>

	* StringUtils.java (stringJoin): Fix error in nextIndex/nextValue
	handling.

2009-08-15  Per Bothner  <per@bothner.com>

	* CompileMisc.java: New class - compilation/optimization-related
	methods for ArithOp, Compare, BooleanValue.
	* Makefile.am: Update accordingly.
	* ArithOp.java: Keep only runtime-specific parts.
	* Compare.java: Likewise.
	* BooleanValue.java: Likewise.

2009-06-28  Per Bothner  <per@bothner.com>

	* RelativeStep.java (inline): Update for new inlining framework.
	* ValuesFilter.java (inline): Likewise.
	Also re-order things so they're properly scoped.

2008-10-24  Per Bothner  <per@bothner.com>

	* StringUtils.java (makePattern): Fix comment so it doesn't
	break PreProcess.

	* StringUtils.java (matches, replace, tokenize$X): Use coerceToString
	for string argumemts.

2008-09-05  Per Bothner  <per@bothner.com>

	* ValuesFilter.java (compile): Remove special handling of SeriesTarget.

2008-08-02  Per Bothner  <per@bothner.com>

	* QNameUtils.java (lookupPrefix): Don't stop searching if we find
	null uri (for undeclare-namespace), unless prefix also matches.

	* NodeUtils.java (prefixesFromNodetype): Skip bindings with null uri,
	since those "undeclare" any outer matching prefixes.

	* StringUtils.java (makePattern): Fix space-skipping logic.

	* StringUtils.java (makePattern): Map "\p{IsXxxx}" to "\P{InXxxx}".

	* StringUtils.java (replace): Check for invalid use of '\' in
	replacement string.

2008-07-25  Per Bothner  <per@bothner.com>

	* StringUtils.java (encodeForUri, iriToUri, escapeHtmlUri): Use
	coerceToString on parameter.
	(encodeForUri(Object,char)): Remove no-longer-needed method.

	* StringUtils.java (makePattern): With 'x' flag, don't strip spaces
	with '[...]' brackets.

2008-06-16  Per Bothner  <per@bothner.com>

	* NumberValue.java (roundHalfToEven): If value is Double/Float
	and non-finite or zero, return as-is.

2008-01-16  Per Bothner  <per@bothner.com>

	* CastableAs.java (inline): Handle new argsInlined parameter.
	* ArithOp.java (inline): Likewise.
	* CastAs.java (inline): Likewise.
	* OrderedMap.java (inline): Likewise.
	* Compare.java (inline): Likewise.
	* ValuesFilter.java (inline): Likewise.
	* RelativeStep.java (inline): Likewise.
	* BooleanValue.java (inline): Likewise.

2008-01-06  Per Bothner  <per@bothner.com>

	* CastableAs.java: Clean up to remove warnings with some compilers.
	* NodeUtils.java: Likewise.
	* Reduce.java: Likewise.
	* Average.java: Likewise.
	* ValuesEvery.java: Likewise.
	* Castas.java: Likewise.
	* Orderedmap.java: Likewise.
	* IntegerRange.java: Likewise.
	* OrderedTuples.java: Likewise.
	* SequenceUtils.java: Likewise.
	* RelativeStep.java: Likewise. Also fix comment typo.

2007-02-26  Per Bothner  <per@bothner.com>

	* CastableAs.java (inline): Update for new CanInline api.
	* ArithOp.java (inline): Likewise.
	* CastAs.java (inline): Likewise.
	* OrderedMap.java (inline): Likewise.
	* Compare.java (inline): Likewise.
	* ValuesFilter.java (inline): Likewise.
	* RelativeStep.java (inline): Likewise.
	* BooleanValue.java (inline): Likewise.

2007-01-17  Per Bothner  <per@bothner.com>

	* NodeUtils.java (rootDocument): New static method.

	* NodeUtils.java (nodeName): New method.
	(name, localName, namespaceURI, inScopePrefixes$X): Use KNode's new
	getNodeNameObject method.

	* QNameUtils.java (localNameFromQName, prefixFromQName,
	namespaceURIFromQName, namespaceURIForPrefix):
	Fix throwing of WrongType.

2007-01-16  Per Bothner  <per@bothner.com>

	* RelativeStep.java (inline): Error if 1st arg incompatible with node.

2007-01-15  Per Bothner  <per@bothner.com>

	* SequenceUtils.java (deepEquals): Fix typo.

	* StringUtils.java (coerceToString): Allow any CharSequence.
	* QNameUtils.java (localNameFromQName, prefixFromQName): Change
	result types to NCName.

2007-01-14  Per Bothner  <per@bothner.com>

	* SequenceUtils.java (isZeroOrOne, coerceToZeroOrOne): New methods.
	(zeroOrOne): Use coerceToZeroOrOne.
	* StringUtils.java (concat$V): Use coerceToZeroOrOne.

	* TimeUtils.java (currentDateTimeLocal): New ThreadLocal static.
	(currentDateTime, currentDate, currentTime, implicitTimezone):
	New static methods.

	* NamedCollator.java (codepointCompare): New method.
	(compare): Use it.
	* Compare.java (atomicCompare): Likewise.

2007-01-04  Per Bothner  <per@bothner.com>

	* NodeUtils.java (baseUri): Change type of local 'uri' to Path.

	* StringUtils.java (encodeForUri): Move guts of method to URIPath.java.

2006-12-29  Per Bothner  <per@bothner.com>

	* NodeUtils.java (resolve): Use gnu.text.Path.
	* StringUtils.java (coerceToString): Likewise.
	* BooleanValue.java (booleanValue): Likewise.
	* QNameUtils.java (resolveURI): Likewise.
	(namespaceURIFromQName): Create URIPath.

2006-12-17  Per Bothner  <per@bothner.com>

	* QNameUtils.java (resolveURI): Handle UntypeAtomic.

2006-12-06  Per Bothner  <per@bothner.com>

	* SequenceUtils.java: Update for renamed Consumer methods.

`2006-12-01  Per Bothner  <per@bothner.com>

	* StringUtils.java (normalizeUnicode): Add working implementation,
	using java.text.Normalizer (Java 6 only).

	* Debug.java (trace): Use XMLPrinter to format output.

	* NodeUtils.java: Suppress unchecked warnings if JAVA5.

	* NodeUtils.java (collection): Replace old methods.
	(setSavedCollection, getSavedCollection): New static methods.
	(collectionResolverSymbol): New constant.
	(resolve): New method.
	(docCached, availableCached, collection): Use it.

2006-11-29  Per Bothner  <per@bothner.com>

	* NodeUtils.java (docAvailable): Moved from gnu.kawa.xml.Document.
	(docCached): Moved and renamed from Document/parseCahched.
	(docCached, docAvailable): Use StringUtils.coerceToString.

2006-11-28  Per Bothner  <per@bothner.com>

	* ArithOp.java (div(BigDecimal,BigDecimal)): New static method.
	(apply2): Use new div method.
	(apply2): Use BigDecimal division for Duration division.
	* TimeUtils.java (secondsBigDecimalFromDuration): New static method.
	(secondsFromDuration): Use secondsBigDecimalFromDuration.

2006-11-26  Per Bothner  <per@bothner.com>

	* NodeUtils.java (collection): New skeletal methods.

2006-11-25  Per Bothner  <per@bothner.com>

	* NodeUtils.java: Update StringValue -> TextUtils.
	* ArithOp.java: Likewise.
	* NumberValue.java: Likewise.
	* StringUtils.java: Likewise.
	* MinMax.java: Likewise.
	* TimeUtils.java: Likewise.
	* QNameUtils.java: Update XDataType -> TextUtils.

	* StringUtils.java (normalizeUnicode): New placeholder/dummy methods.

2006-11-24  Per Bothner  <per@bothner.com>

	* StringUtils.java (stringLength): Have to loop checking for surrogates.
	(substring, substring): Likewise must check for surrogates.
	(translate): Handle surrogates in all 3 arguments.
	(stringToCodepoints$X, appendCodepoint): Handle surrogates.

2006-11-23  Per Bothner  <per@bothner.com>

	* RelativeStep.java: Implement inlineable.
	(inline): Note that 2nd argument is inline-only.
	Do some optimizations/rewriting.
	(compile, getReturnType): New methods.
	(maybeSortNodes$X): Remove method.
	(extractStep): New static method.
	* RelativeStepFilter.java: Make class public.

2006-11-22  Per Bothner  <per@bothner.com>

	* ValuesFilter.java: Also implement Inlineable.
	(apply): Filter procedure can take 2 or 3 arguments.
	(inline): If last() is not needed, just splice it out and return.
	Otherwise rewrite to LetExp as before - but leave some work for compile.
	(compile): New method.  Defer hard work to ValuesMap.compileInlined.
	(getReturnType): New method.

2006-11-20  Per Bothner  <per@bothner.com>

	* Compare.java (inline): Partially inline in the value-comparson case.

2006-11-18  Per Bothner  <per@bothner.com>

	* NodeUtils.java (baseUri): Remove throws clause.

	* StringUtils.java (tokenize$X): Add missing thow for the PreProcess
	case that we don't have java.util.regex.

2006-11-09  Per Bothner  <per@bothner.com>

	* XMLFormat.java: Remove unused class.
	* Makefile.am: Update accordingly.

2006-10-31  Per Bothner  <per@bothner.com>

	* DistinctValues.java (writeBoolean): New method.
	* Compare.java (inline): Set return type to boolean.
	* BooleanValue: New implements CanInline.
	(inline): Optimize constant case and when argument is already boolean.
	(<init>): Takes name - needed for PrimProcedure.getMethodFor,

2006-10-30  Per Bothner  <per@bothner.com>

	* NodeUtils.java (baseUri): Use new KNode baseURI convenience method.

	* NodeUtils.java (getIDs, id$X, idScan, idref): New static methods,
	implementing fn:id and a dummy fn.idref.

2006-10-25  Per Bothner  <per@bothner.com>

	* QNameUtils.java (lookupPrefix): New method based on resolvePrefix,
	but on failure return null rather than throwing exception 
	(resolvePrefix): Now just a wrapper around lookupPrefix.

	* NumberValue.java (round): Fix rounding of negative BigDecimals.

2006-10-22  Per Bothner  <per@bothner.com>

	* NodeUtils.java (nilled): New method, implements fn:nilled.

	* TimeUtils.java (adjustDateTimeToTimezone): Move body of method to ...
	(adjustDateTimeToTimezoneRaw): ... new method.
	(adjustDateToTimezone, adjustTimeToTimezone): New methods.

	* NodeUtils.java (root): New method, replaces method in Nodes.
	(baseUri): New method.

2006-10-19  Per Bothner  <per@bothner.com>

	* QNameUtils.java (resolveURI): New static method.

	* Reduce.java: Re-write to a 'static class'.
	Try hard to follow the specification.

	* ArithOp.java (apply3): Implement mod on float or double using
	standard Java '%' operator.  This fixes a negative-zero issue.

	* NamedCollator.java (getName): New method.

2006-10-17  Per Bothner  <per@bothner.com>

	* StringUtils.java (coerceToString): New static helper method to
	correctly coerce to xs:string or xs:string?.
	(lowerCase, upperCase, substring, stringLength, substringBefore,
	substringAfter, translate, stringPad, contains, startsWith, endsWith,
	stringJoin, stringToCodepoints$X, normalizeSpace, codepointEqual):
	Use coerceToString.

	* StringUtils.java (substring): Various fixes to (hopefully this time)
	pedantically match the specification.

	* QNameUtils.java (resolveQNameUsingElement): If no prefix, check
	for a default namespace.  Convetr resturn to URI, rather than string.

2006-10-16  Per Bothner  <per@bothner.com>

	* StringUtils.java (appendCodepoint): Fix thinko.

2006-10-13  Per Bothner  <per@bothner.com>

	* HandleExtension.java: Remove no-longer needed file.
	* Makefile.am: Update accordingly.

2006-10-12  Per Bothner  <per@bothner.com>

	* NumberValue.java (numberValue): Do atomization.
	If argument is not coercible to double, return NaN.

	* RelativeStepFilter.java: New class, extends FilterConsumer.
	* Makefile.am: Update accordingly.
	* RelativeStep.java (apply, inline): Make use of RelativeStepFilter.
	This allows a relative step to return atoms rather just nodes.

2006-10-11  Per Bothner  <per@bothner.com>

	* QNameUtils.java (resolveQNameUsingElement): Collapse white space.
	Throw exception if unknown namespace for prefix.
	Internalize prefix before calling lookupNamespaceURI.

	* QNameUtils.java (validNCName): Implement using new XName.isName
	method.

	* StringUtils.java (concat$V): Add initial 2 parameters, so we can
	catch calls with too few arguments.
	Also, use StringBuilder if JAVA5.

	* MinMax.java (minMax): Add a dummy compare for singleton case,
	which is a easy way to check for an invalid value.

	* SubList.java: Use double lower and upper boand, to match 
	specification.  This fixes some corner cases.

	* NumberValue.java (abs): Calculate abs by clearing sign bit.
	This fixes handling of -0.

	* SequenceUtils.java (deepEqualItems): Fix thinko: '||' -> '&&'.

	* BooleanValue.java (booleanValue): Don't allow non-RealNum Numerics.
	Specifically disallow Duration and DateTime values.

	* TimeUtils.java (adjustDateTimeToTimezone): Check that zone offset
	is within range and an integral number of minutes.

2006-10-07  Per Bothner  <per@bothner.com>

	* StringUtils.java (tokenize$X): New method.

	* QNameUtils.java (resolveQNameUsingElement): New method.

	* QNameUtils.java (resolveQName): "Inline" call to method resolve in
	NamespaceBinding because resolve is wrong for "undeclare".

	* QNameUtils.java (makeQName): Call validNCName - currently a dummy.

	* QNameUtils.java (prefixFromQName): Fix return value for no match.

	* QNameUtils.java (namespaceURIForPrefix): Handle empty sequence
	or bad types for prefix.

	* SequenceUtils.java (insertBefore$X): New method.

2006-10-06  Per Bothner  <per@bothner.com>

	* NodeUtils.java (localName, namespaceURI): Add error-checking.

	* NodeUtils.java (prefixesFromNodetype): Remove duplicates from result.

	* ArithOp.java (apply2): Fix errors in handling invalid argument types.

	* StringUtils.java (substring): Fixes to match specification.
	(asDoubleRounded): Removed - no longer used.

	* TimeUtils.java (coerceToDateTime, coerceToDate, coerceToTime):
	Change to use new XTimeType.parseDateTime helper method.
	* Compare.java (atomicCompare): Likewise.

2006-10-04  Per Bothner  <per@bothner.com>

	* NumberValue.java (isNaN): New static utility method.
	* DistinctValues.java (hash): Change algorithm so equal real numbers
	have the same hash value.
	(matches): Return true if both values satisfy NumberValue.isNaN.
	* Compare.java (LENIENT_COMPARISON, LENIENT_EQ): New flags.
	(equalityComparison): New helper method.
	(atomicCompare): Fix handling of UntypedAtomic and Boolean.
	More compliant handling for DateTime and Duration.  Error on
	mismatched types if not lenient and not an equality comparison.
	($Ex$Eq, valNe): Should also be true if either argument is NaN.
	* MinMax.java (minMax): Add hack for NaN.
	* IntegerRange.java (apply): Do atomization and handle UntypedAtomic.
	* SequenceUtils.java (indexOf$X): Comparison should be lenient.
	(deepEqualItems): New helper, to check for NaN.
	(deepEqual, deepEqualChildren): Use new helper method.

	* NamedCollator.java (UNICODE_CODEPOINT_COLLATION): Match XQTS.

2006-09-30  Per Bothner  <per@bothner.com>

	* Compare.java (atomicCompare): Throw exception if not comparable.
	* MinMax.java: Rewrite to not use Reduce and to better match spec.
	(min, max, minMax, convert): New static methods.

	* ArithOp.java (apply2): 'idiv' result must sometimes be cast to
	integer.

	* ValuesFilter.java (matches): Fix number case to match spec.

	* QNameUtils.java (resolveQName): Catch errors.

	* Reduce.java (sum): Use XQuery-specific ArithOp, rather than
	Scheme-appropriate gnu.kawa.functions.AddOp instance.

	* StringUtils.java (appendCodepoint): Check codepoints for validity.

2006-09-28  Per Bothner  <per@bothner.com>

	* NodeUtils.java (name, getLang, lang, documentUri): New static
	methods to implement new fn:xxx functions.
	(localName): Change return type.  Inline QNameUtils.localNameFromQName.

	* Compare.java (VALUE_COMPARISON): New mask bit.
	(apply2): Check for VALUE_COMPARISON.
	(valEq, valNe, Vallt, valNe, valGt, valGe): New static fields.

	* XQException.java: New class, extends RuntimeException.
	* Makefile.am: Update accordingly/

	* ValuesFilter.java (matches): Simplify and fix to match specification.

	* CastAs.java (apply2): Handle OccurrenceType.
	(compile): Suppress inherited/incorrect inlining.

	* NumberValue.java (abd): Fix so abd(-0) is 0.

	* StringUtils.java (encodeForUri): Fixes to match updated
	specification of fn-encode-for-uri.

	* BooleanValue.java (not): New static method.

	* SequenceUtils.java (remove$X): New static method.

2006-09-26  Per Bothner  <per@bothner.com>

	* TimeUtils.java (dateTime):  Handle empty sequence arguments.

	* NumberValue.java (abs): Use numberCast, rather than numberValue.
	The latter always returns a double, which is not always right.

	* StringUtils.java (codepointEqual): New static method.

	* TimeUtils.java (dateTime): New static method.

	* SequenceUtils.java (seepEqual): Fix thinko.

2006-09-19  Per Bothner  <per@bothner.com>

	* HandleExtension.java: New class.
	* Makefile.am: Update accordingly.

	* BooleanValue.java (booleanValue): Throw WrongType exception
	when appropriate.  Handle URI similar to String/UntypedAtomic.

2006-09-17  Per Bothner  <per@bothner.com>

	* Debug.java: Parameterize output file and options using static.
	(tracePrefix, tracePort, traaceFilename, traceShouldFlush,
	traceShouldAppend): New static fields.
	(trace): Make synchronized.

2006-09-14  Per Bothner  <per@bothner.com>

	* SequenceUtils.java (deepEqualChaildren, deepEqual): New methods.
	(deepEqual): Fix handling of nodes to use new methods.
	(textOrElement): New constant.

2006-09-13  Per Bothner  <per@bothner.com>

	* XMLFormat.java (writeObject): Update for XMLPrinter changes.
	(format): Likewise.

2006-08-27  Per Bothner  <per@bothner.com>

	* OrderedTuples.java (cmp): Update NumberCompare.compare call.
	* Compare.java (apply): Move atomic value handle to ...
	(atomicCompare): ... new static method.
	Use new NumberCompare.applyWithPromotion method.
	* SequenceUtils.java (deepEqual): New static method.

2006-08-18  Per Bothner  <per@bothner.com>

	* TimeUtils.java (now): New static method.

2006-08-17  Per Bothner  <per@bothner.com>

	* TimeUtils.java (coerceToDateTime, coerceToDate, coerceToTime):
	Convert node and xs:untypedAtomic as needed.
	Also throw more informative WrongType constructor.

2006-06-28  Per Bothner  <per@bothner.com>

	* QNameUtils.java: Update SName -> Symbol.
	* Compare.java: Likewise.

2006-06-10  Per Bothner  <per@bothner.com>

	* TimeUtils.java: Fix typo in package statement.

2006-06-04  Per Bothner  <per@bothner.com>

	* CastableAs.java (inline): Fix thinko.

2006-03-26  Per Bothner  <per@bothner.com>

	* NodeUtils.java (localName, namespaceURI): Fix to match specification.

	* NodeUtils.java (data$X): New static method.

	* NumberValue.java (round): New static method.

	* NumberValue.java (numberValue): Optimization.

	* Compare.java (apply): Fix indentation so PreProcess will work.

	* StringUtils.java (asDouble, asDoubleRounded): New static helpers.
	(substring): Use asDoubleRounded.
	* StringUtils.java (stringJoin): Remove redundant casts.
	* StringUtils.java (encodeForUri, iriToUri, escapeHtmlUri,
	encodeForUri, normalizeSpace): New static methods.
	* StringUtils.java (makePattern, matches, repalce): New static methods.

	* SequenceUtils.java (indexOf$X): New static method, implements
	fn:index-of function.
	* IndexOf.java: Remove no-longer-used class
.	* LastIndexOf.java: Likewise.
	* Makefile.am: Update accordingly.

2006-03-25  Per Bothner  <per@bothner.com>

	* OrderedTuples.java (cmp): Various fixes to match 'order by'
	specification: empty sequence and NaN handling; UntypeAtomic support.

	* QNameUtils.java (makeQName): Add expected intern call.

2006-03-20  Per Bothner  <per@bothner.com>

	* BooleanValue.java (booleanValue): Handle Number that are not Numeric
	so we DTRT for xs:double and xs:float.

2006-03-17  Per Bothner  <per@bothner.com>

	* QNameUtils.java (resolvePrefix): New method.
	(resolveQName): Make use of resolvePrefix.

	* Compare.java (apply): Fix comparison of QNames (SName).

2006-03-15  Per Bothner  <per@bothner.com>

	* CastAs.java: New class, extends gnu.kawa.functions.Convert.
	* CastableAs.java: New class, extends gnu.kawa.reflect.InstanceOf.
	* Makefile.am: Update accordingly.

	* TimeUtils.java: New class with static methods implementing
	date/time/duration-related functions.
	* Makefile.am: Update accordingly.

	* StringValue.java: Remove file.  Contents partly moved to new file
	StringUtils.java and partly moved to gnu/kawa/xml/StringValue.java.
	(stringToCodepoints$X, appendCodepoint, codepointsToString): New.
	* Makefile.am: Update accordingly.

	* NodeUtils.java (atomicValue): Moved to gnu.kawa.xml.KNode.
	(prefixesFromNodetype, inScopePrefixes$X): New methods.

	* BooleanValue (booleanValue): Fix thinko.
	Add correct handling for String and UntypedAtomic.

	* RelativeStep.java (inline): Don't optimize unless mustCompile.
	Also rename Compilation local from 'parser' to 'comp'.

	* Compare.java (apply): Fixes to handle dates/times/durations, and
	UntypedAtomic. Other fixes to follow specification more closely.
	* OrderedTuples.java (cmp): Try numeric compare first.

	* MinMax.java (cmobine): Use new NumverValue.numberCast method.

	* IntegerRange.java (apply): DTRT when range end is empty sequence.

	* Average.java: Use XQuery-specific ArithOp.add rather than AddOp.$pl.
	Fix handling of empty and singleton sequences.
	Use ArithOp.div for division.
	(combine): Inline into caller.

	* NumberValue.java (abs, floor, ceiling, roundHalfToEven): New methods.
	(numberCast): New static helper method.
	(numberValue): Use new classes/methods to better follow specification.
	(apply1): Return NaN on failure, as per specification.

2006-03-15  Per Bothner  <per@bothner.com>

	* ArithOp.java: New class, extends Procedure1or2.
	* Makefile.am: Update accordingly.

2006-03-14  Per Bothner  <per@bothner.com>

	* SequenceUtils.java (zeroOrOne, oneOrMore, exactlyOne): New
	static methods that implement the corresponding standard functions.

2005-11-29  Per Bothner  <per@bothner.com>

	* ValuesFilter.java (matches): Handle a String value.

2005-11-22  Per Bothner  <per@bothner.com>

	* OrderedMap.java (compile): Update compile->compileInvoke rename.

2005-09-26  Per Bothner  <per@bothner.com>

	* Average.java (combine): Coerce operands with NumberValue.

	* OrderedTuples.java (listsort): Fix thinko.

2005-09-25  Per Bothner  <per@bothner.com>

	* OrderedMap.java: New class, extends MethodProc.
	* OrderedTuples.java: New class, extends FilterConsumer.
	* Makefile.am: Update accordingly.

	* SequenceUtils.java (reverse$X): New methods, implements fn:revrese.

2005-08-16  Per Bothner  <per@bothner.com>

	* NodeUtils.java: New class.
	(atomicValue, localName, namespaceURI): New static methods.
	* DistinctValues.java: New class.
	* Makefile.am: Update accordingly.
	* Compare.java (apply): Add NamedCollator parameter.  Use it.
	Get atomiValue of nodes.
	(apply2): Update for modified apply.
	* MinMax.java (combine): Extract numberValue from nodes.
	* StringValue.java (compare): New method.

	* NamedCollator.java (UNICODE_CODEPOINT_COLLATION): Update uri.
	(find): New alias (for now) for make.
	
	* QNameUtils.java (prefixFromQName): New static method.

	* Reduce.java (apply1): Fix bogus iteration.

2005-06-09  Per Bothner  <per@bothner.com>

	* StringValue.java (stringValue): null or #!void append nothing.
	(lowerCase, upperCase, substring, stringLength, substringBefore,
	substringAfter, translate, stringPad, contains, startsWith, endWith,
	stringJoin): Don't return empty on empty input string; instead return
	the empty string, usually taken care of by stringValue.
	(substring, stringLength, substringBefore, substringAfter, translate,
	startsWith, stringJoin): Convert to String using stringvalue, not
	toString.
	(contains, startsWith, endsWith, substringAfter): Remove redundant
	comparisons.
	(substringBefore): Fix off-by-one error.
	(translate): Re-do StringBuffer construction to append each character,
	rather than modify/delete characters.
	(stringPad): Throw exception on error instead of printing.
	Also, improve StringBuffer allocation.

2005-06-04  Per Bothner  <per@bothner.com>

	* XMLFormat.java: Update for AbstractFormat move to gnu.lists.

2005-03-03  Per Bothner  <per@bothner.com>

	* Children.java: Moved to gnu.kawa.xml, because it is also
	used for Scheme.
	* Makefile.am: Update accordingly.

2005-01-02  Per Bothner  <per@bothner.com>

	* NamedCollator.java: Change "select" (preprocessor) syntax.

2004-12-22  Per Bothner  <per@bothner.com>

	* MakeAttribute.java: Moved to gnu.kawa.xml.
	* MakeElement.java: Likewise.
	* Makefile.am: Update accordingly,
	* QNameUtils.java (resolveQName): New helper method, used for xs:QName.
	(makeQName): New implementation, for fn:QName.
	(localNameFromQName, namespaceURIFromQName): Handle SName.

2004-12-10  Per Bothner  <bothner@Per-Bothners-Computer.local>

	* SequenceUtils.java: New class has sequence functions implementations.
	* IsEmptySequence.java: Removed class - use SequenceUtils instead.
	* NamedCollator.java: New class extends Collator.
	* Makefile.am: Update accordingly.

2004-11-06  Per Bothner  <per@bothner.com>

	* QNameUtils.java: New class.
	* Makefile.am: Update accordingly.

2004-08-10  Per Bothner  <per@bothner.com>

	* ValuesFilter.java (inline): Add missing letEnter call.

2004-08-08  Per Bothner  <per@bothner.com>

	* RelativeStep.java (apply):  Update to use check3.
	* ValuesEvery.java (apply):  Update to use check1.

2004-08-03  Per Bothner  <per@bothner.com>

	* Children.java:  Extend MethodProc instead of CpsProcedure
	* RelativeStep.java:  Likewise.
	* SubList.java:  Likewise.
	* ValuesEvery.java:  Likewise.
	* ValuesFilter.java:  Likewise.
	* IntegerRange.java:  Likewise.  Also explicitly call setName

2004-07-20  Per Bothner  <per@bothner.com>

	* IntegerRange.java:  Remove unused import statements.
	* MinMax.java:  Likewise.
	* RelativeStep.java:  Likewise.
	* XMLFormat.java:  Likewise.

2004-01-04  Per Bothner  <per@bothner.com>

	* StringValue.java (stringValue):  Require KNode, not SeqPosition.
	* ValuesFilter.java (matches):  Check KNode, not SeqPosition.

2003-11-21  Per Bothner  <per@bothner.com>

	* IntegerRange.java (integerRange):  If M > N then M to N is now empty.

2003-11-14  Per Bothner  <per@bothner.com>

	* StringValue.java (concat$V):  New method.

2003-10-19  Per Bothner  <per@bothner.com>

	* ValuesEvery.java:  New class, extends CpsProcedure.
	* Makefile.am:  Update accordingly.

2003-10-07  Per Bothner  <per@bothner.com>

	* BooleanValue.java (booleanValue):  Change to match spec better.

	* IntegerRange.java (integerRange):  Fix bugs.  Make static.

2003-09-24  Per Bothner  <per@bothner.com>

	* MakeAttribute.java:  Now extends gnu.kawa.xml.NodeConstructor.
	(apply):  Update.  (compileToNode):  New, replaces compile method.
	* MakeElement.java:  Likewise.

2003-09-11  Per Bothner  <per@bothner.com>

	* ValuesFilter.java:  Implement CanInline.
	(inline):  New method.

2003-09-09  Per Bothner  <per@bothner.com>

	* RelativeStep.java:  Now implements CanInline.
	(inline):  New method.
	(apply):  Use Nodes class and simplify.

2003-08-03  Per Bothner  <per@bothner.com>

	* RelativeStep.java:  New class, extends CpsProcedure.
	* ValuesFilter.java:  Re-write to correctly implement spec.
	* Position.java:  Remove - no longer used.
	* Makefile.in (java_sources):  Update accordingly.

	* StringValue.java (contains, startsWith, endsWith):  Use stringValue
	rather than toString to convert arguments.

2003-07-23  Terje Pedersen  <terje@brassforum.com>

	* StringValue.java (stringLength, substringBefore, substringAfter,
	translate, stringPad, contains, startsWith, endsWith, stringJoin):
	New standard functions.

2003-07-16  Per Bothner  <per@bothner.com>

	* Compare.java (inline):  Use new inlineIfConstant method overloading.

2003-07-10  Per Bothner  <per@bothner.com>

	* MakeElement.java (compile):  Use new
	ElementConstructor.compileUsingNodeTree method.

2003-05-08  Per Bothner  <per@bothner.com>

	* Debug.java:  New class.
	(trace):  New static method, implements the 'trace' function.
	* Makefile.am (java_sources):  Update accordingly.

2003-03-29  Per Bothner  <per@bothner.com>

	* StringValue.java (lowerCase, upperCase, substring):  New methods.
	Based on a patch from Jim Smith <jim@pagesmiths.com>.

2003-03-15  Per Bothner  <per@bothner.com>

	* XMLFormat.java (writeObject):  Check if toString returns null.

2003-03-02  Per Bothner  <per@bothner.com>

	* BaseUri.java:  Moved gnu.kawa.functions.
	* Makefile.am (java_sources):  Remove BaseUri.java.

2003-02-13  Per Bothner  <per@bothner.com>

	* BaseUri.java:  New class, extends Procedure1.
	* Makefile.am (java_sources):  Add BaseUri.java.

2003-01-09  Per Bothner  <per@bothner.com>

	* Average.java:  Update for gnu.lists changes.
	* BooleanValue.java:  Likewise.
	* Children.java:  Likewise.
	* Compare.java:  Likewise.
	* Reduce.java:  Likewise.
	* StringValue.java:  Likewise.
	* SubList.java:  Likewise.
	* ValuesFilter.java:  Likewise.

2002-11-16  Per Bothner  <per@bothner.com>

	* MakeAttribute.java, MakeElement.java:  Use gnu.mapping.Symbol
	instead of gnu.xml.QName.

2002-08-18  Per Bothner  <per@bothner.com>

	* MakeAttribute.java (beginAttribute):  Swap argument order, for
	consistency with compile and also MakeElement's beginGroup.
	(apply):  Fix beginAttribute call to match.

2002-07-21  Per Bothner  <per@bothner.com>

	* Compare.java, MakeElement.java (inline):  Update to take
	extra ExpWalker parameter.

2002-07-02  Per Bothner  <per@bothner.com>

	* Compare.java (apply):  Mistaken assumption - String.compareTo does
	not necessarily return -1, 0, or 1.

	* IndexOf.java:  New class, extends Procedure2.
	* LastIndexOf.java:  New class, extends Procedure2.
	* Makefile.am (java_sources):  add new files.

2002-05-06  Per Bothner  <per@bothner.com>

	* Compare.java:  Implement CanInline.

	* Focus.java.in:  Move to gnu.kawa.xml.
	* Makefile.am:  Update accordingly.
	* Position.java:  Now need to import Focus.
	* ValuesFilter.java:  Likewise.

2002-04-19  Per Bothner  <per@bothner.com>

	* Average.java:  New class, extends Procedure1.
	* Reduce.java:  New class, extends Procedure1.
	* Makefile.am (java_sources):  Update accordingly.
	* MinMax.java:  Change to inherit from Reduce.

2002-04-18  Per Bothner  <per@bothner.com>

	* BooleanValue.java:  New class, extends Procedure1.
	* Makefile.am (java_sources):  Add BooleanValue.java.

2002-04-08  Per Bothner  <per@bothner.com>

	* Children.java (children):  Use nextNodeIndex.

2002-03-16  Per Bothner  <per@bothner.com>

	* Makefile.am (java_sources):  Remove mistakenly added MapDescendents.

2002-03-07  Per Bothner  <per@bothner.com>

	* MinMax.java:  New class, extends Procedure1.
	* Position.java:  New class, extends Procedure0.
	* Makefile.am:  Update accordingly.
	* Focus.java.in (compileGetCurrent):  New static helper method.

	* Focus.java.in (position):  Change type from int to long.
	* ValuesFilter.java (apply):  Update current Focus's position field.

2002-03-02  Per Bothner  <per@bothner.com>

	* Focus.java.in:  New sed-processed class, extends SeqPosition.
	* Makefile.am:  Update accordingly.

2002-02-13  Per Bothner  <per@bothner.com>

	* MakeAttribute.java (apply):  Do getNextArg inside loop.

2002-02-05  Per Bothner  <per@bothner.com>

	* ElementType.java:  Moved to gnu.kawa.xml.
	* NamedChildren.java:  Moved to gnu.kawa.xml.
	* NodeType.java:  Moved to gnu.kawa.xml.
	* Makefile.am:  Update accordingly.

2002-01-23  Per Bothner  <per@bothner.com>

	* AppendValues.java:  Removed - moved to gnu.kawa.functions.
	* Makefile.am:  Update accordingly.

2002-01-21  Per Bothner  <per@bothner.com>

	* Document.java:  Moved to gnu.kawa.xml.

	* Document.java (document):  New static methods.
	(apply):  Use one of the new methods.

2002-01-07  Per Bothner  <per@bothner.com>

	* Document.java (makeURL):  New helper method.
	(apply(CallContext)):  New method, send directly to Consumer.

	* NamedChildren.java (compile):  Optimize if ConsumeTarget.

	* ValuesFilter.java (matches):  Handle a TreeList.

	* XMLFormat.java (format):  New method.

2002-01-02  Per Bothner  <per@bothner.com>

	* NumberValue.java:  New class, extends Procedure1.
	* Makefile.am (java_sources):  Add NumberValue.java.

2001-12-24  Per Bothner  <per@bothner.com>

	* ElementType.java:  New class, extends NodeType, implements TypeValue.
	* ItemAt.java:  New class, extends Proecdure2.
	* SubList.java:  New class, extends CpsProcedure.
	* Makefile.am (java_sources):  Add new classes.

	* Document.java (document):  Reverse incorrect isLetter test.

2001-11-24  Per Bothner  <per@bothner.com>

	* MakeElement.java (beginGroup, endGroup):  Switch argument order.
	(inline):  Use Expressions's setLine to set line number info.

	* NamedChildren.java (compile):  Also optimize ConsumerTarget.
	(getPropertyName, getNamedProperty):  New methods.
	(namedChildren, getNamaedChild, gotoNext, gotoFirstChild):  Add
	support for getting named properties from beans e.g. $request/method.
	* NodeType.java (coerce):  Handle arbitrary value.

2001-11-18  Per Bothner  <per@bothner.com>

	* Document.java (document, apply1): Specific that it throws Throwable,
	thus we no longer have to wrap exceptions.

	* AppendValues.java (compile):  Use compileWithPosition.

2001-11-12  Per Bothner  <per@bothner.com>

	* Document.java (document):  Filter through NamespaceResolver.
	
	* NamedChildren.java (namedChildren):  Use getNamedChild method.

	* MakeElement.java:  Also implement CanInline.
	(inline):  New method.

	* MakeElement.am (beginGroup, endGroup):  New helper methods.
	(apply):  Use new methods.
	(compile):  Call new methods.	
	* MakeAttribute.java (beginAttribute):  New helper method.
	(numArgs):  Now takes any number of arguments.
	(apply):  Use new helper method; handle any number of arguments.
	(compile):  Similarly.

2001-11-06  Per Bothner  <per@bothner.com>

	* StringValue.java:  Various fixes to actually make it work.
	(string):  New static, to match function name "string".

	* ValuesFilter.java (matches):  Handle multiple values better.
	(apply):  Inceement count *before* calling matches.

	* XMLFormat.java:  Update as XMLPrinter now takes a Consumer.

	* Compare.java:  New class, extends Procedure2.
	* Makefile.am (java_sources):  Add Compare.java.

2001-11-01  Per Bothner  <per@bothner.com>

	* ValuesFilter.java:  New class, extends CpsProcedure.
	* Makefile.am (java_sources):  Added ValuesFilter.java.

	* NamedChildren.java (compile):  If namespaceURI and localName are
	constant, don't recompile them to a variable.

	* NamedChildren.java (compile):  Remove pushScope/popScope ad it can
	cause register clobbering due to use complex jsr-based control flow.

2001-10-25  Per Bothner  <per@bothner.com>

	* AppendValues.java (compile):  Optimize for SeriesTarget.
	* NamedChildren.java:  Now implements Inlineable.
	(getNamedChild, gotoNext, gotoFirstChild):  New static helper methods.
	(compile, getReturnType):  New methods.
	* NodeType.java:  New class, extends ClassType.
	* Makefile.am (java_sources):  Added NodeType.java.

2001-10-17  Per Bothner  <per@bothner.com>

	* NamedChildren.java:  Turn into a 3-argument procedure.

2001-10-02  Per Bothner  <per@bothner.com>

	* IsEmptySequence.java:  New class; extends Procedure1.
	* Makefile.am (java_sources):  Add IsEmptySequence.java.

2001-09-24  Per Bothner  <per@bothner.com>

	* IntegerRange.java:  New class; extends CpsProcedure.

2001-08-16  Per Bothner  <per@bothner.com>

	* Children.java:  New class, extends CpsProcedure.
	* NamedChildren.java:  New class, extends CpsProcedure.
	* StringValue.java:  New class, extends Procedure1.
	* Makefile.am (java_sources):  Add new classes.

	* Document.java (document):  Call TreeList's beginDocument method.

2001-07-18  Per Bothner  <per@bothner.com>

	New package gnu.xquery.util.
	* XMLFormat.java:  New class, extends AbstractFormat.
	* MakeElement.java:  New class; extends CpsProcedure.
	* MakeAttribute.java:  New class; extends CpsProcedure.
	* Document.java:  New class; extends Procedure1.
	* AppendValues.java:  New class; extends CpsProcedure.