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XSLT Module, how to specify XSLT's Initial Template name
by ykhabins＠bellsouth.net 06 Jun '26

06 Jun '26

Hello, I am using BaseX 12.4 and its XSLT Module. The XSLT engine is SaxonHE13-0J, so the XSLT 3.0 standard could be used! My XSLT needs to process XML files in a directory on the file system. The XSLT is implementing a so called Modified Identity Transform pattern. Unfortunately, it seems it is impossible to pass "-it", i.e. Initial Template name parameter. I tried 2 lines XQuery as follows: XQuery ========== declare variable $stylesheet as xs:string external; xslt:transform("<dummy/>", $stylesheet, { "-it": "xsl:initial-template" }) The XSLT is using an Initial Template <xsl:template name="xsl:initial-template"> So, I tried to pass it in BaseX as a parameter to no avail. The XSLT is working properly in Oxygen XML IDE when the "-it" parameter is specified. Please see below a full repro. XML files have the following (simplified) structure: ==================================================== <root> <body> <text> <text>second level text</text> <text>second level text</text> </text> </body> </root> XSLT =========== <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet xmlns:xsl=http://www.w3.org/1999/XSL/Transform version="3.0"> <xsl:output indent="yes" method="xml"/> <xsl:mode on-no-match="shallow-copy"/> <xsl:param name="input_dir" select="'file:///c:/XSLT30/Process Multiple XML Files?select=*.xml'"/> <xsl:param name="output-dir" select="'file:///c:/XSLT30/Process Multiple XML Files/Output/'"/> <xsl:template name="xsl:initial-template"> <xsl:for-each select="collection($input_dir)"> <xsl:variable name="input_fileName" select="tokenize(base-uri(.), '/')[last()]"/> <xsl:variable name="output_fileName" select="'new_' || $input_fileName"/> <xsl:result-document href="{$output-dir || $output_fileName}"> <xsl:apply-templates /> </xsl:result-document> </xsl:for-each> </xsl:template> <xsl:template match="text/text"> <comment> <xsl:apply-templates/> </comment> </xsl:template> </xsl:stylesheet> Regards, Yitzhak Khabinsky Regards, Yitzhak Khabinsky

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NPE in FuncRef.has(): missing null guard causes crash when imported function is used in .[] step's and-predicate (since 12.2)
by Andreas Hengsbach | nexoma 03 Jun '26

03 Jun '26

Hi everyone, I found a bug and used AI to narrow it down to the smallest possible reproducer. I hope this helps. ### schnipp (: Reproducer for BaseX bug: NPE in Single.has() via Step.get() Affected versions: 12.2, 12.3, 12.4 Not affected: 12.0, 12.1 Required conditions (all three necessary): 1. .[] step — Path.get() converts Filter(ContextValue, preds) to Step.get(SELF, preds) 2. compound `and` predicate — creates an Arr containing the FuncRef 3. imported module function as an operand — unresolved at parse time -> FuncRef(expr=null) FuncRef extends Single but has no has() override -> Single.has() NPEs on null expr Fix: add has() override to FuncRef inner class in StaticFuncs.java (analogous to accept()): @Override public boolean has(final Flag... flags) { return expr != null && expr.has(flags); } :) import module namespace functx = "http://www.functx.com"; <a/>/.[true() and functx:all-whitespace('')] ### schnapp Best regards, Andreas

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All Panel Exchange App Download: Easy Installation Guide for New Users
by juliya33qw＠gmail.com 01 Jun '26

01 Jun '26

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All Panel Exchange App Download: Easy Installation Guide for New Users
by juliya33qw＠gmail.com 01 Jun '26

01 Jun '26

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BaseX 12.4: The XML Prague Warmup Edition
by Christian Grün 28 May '26

28 May '26

Hi all, We’ve released BaseX 12.4. It comes a bunch of new built-in XQuery functions for running queries in parallel (for-each, fork-any, reduce), for improved string similarity operations (ngrams, token set/sort ratio), new binary functions for counting & settings bits, atomic creation of databases with binary & value resources, improved encoding detection and streaming when creating ZIP archives and numerous more tweaks. Some more details: XQUERY FUNCTIONS - XQuery Module, parallelization: for-each, fork-any, reduce - String Module: new functions for ngrams & token set/sort ratio - Binary Module: bin:rotate, functions for counting & settings bits - Database Module, DB creation: support for binary & value resources - Archive Module: improved encoding detection, better streaming XQUERY PERFORMANCE - index rewritings for numeric predicates: //city[@code = 12763] - evaluate loop-invariant predicates only once - faster sorting of primitive value sequences - callback functions: improved type propagation FIXES & TWEAKS - command-line: newline added after the result of a query - error feedback: improved 'did you mean' suggestions - parsing of CSV files with empty lines - GUI: higher trace output limits For a preview of the added features, please visit the following page: https://docs.basex.org/13 Visit our homepage to download the latest version: https://basex.org Christian BaseX Team

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Error parsing query, related to qualified name of function
by Amanda Galtman 28 May '26

28 May '26

Hi, BaseX team. An XSpec user found an error when running a particular test with BaseX. I reproduced the error in its original form, and I also shrunk the reproduction steps to obtain a similar error. The small, self-contained reproduction steps in BaseX 12.2, 12.3, or BaseX124-20260521.170507 are: xquery version "3.1"; declare namespace pfx = "some-uri"; declare function pfx:namespace-node() { 'some result' }; declare function pfx:my-fcn() { Q{some-uri}namespace-node() }; pfx:my-fcn() Error message: [XPST0003] Expecting '}', found '('. It points to the end of the qualified function name Q{some-uri}namespace-node. The error does not occur if I call the function using a prefix pfx:namespace-node() or if I change the function's local name. The original reproduction steps are in https://github.com/xspec/xspec/issues/2354 . In that context, the error does not occur if I change the function's local name in both the XQuery module being tested and the XSpec test file. Thanks, Amanda

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Access to the Unicode Character Database from XQuery?
by Graydon Saunders 25 May '26

25 May '26

Hello! I am currently exploring what to do when a footnote callout, which will wind up in an xs:ID value, is something like U+2020 DAGGER; one obvious way is to use the character name. (So instead of an @id value of `Fn1` I'd have `Fndagger` or similar.) I see that the current draft of XPath 4.0 has new-since-3.0 `characters()` and `grapheme()` functions, but so far as I may tell it does not have a way to get UCD properties for a codepoint. Is there an XQuery (or BaseX) way to do this? Thanks! Graydon

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Strictre type checks on RestXQ
by Marco Lettere 21 May '26

21 May '26

Hello all, I have a code similar to [1] and used to call it like: curl -X POST "https://myservice.local?compress=false". It worked. Yesterday I moved to official Basex 12.3 version and started getting the following error: *Value of 'compress' must be of type xs:boolean, supplied: "false". (hint: ....)* Is this a recent implementation change that enforces this type-check? I've not been able to identify the changes in the code base. Apparently, I can fix this by changing 'false' to false() in the annotation but do you have any idea whether this will be back compatible to older basex versions? Thanks! Marco. [1] declare %rest:path("store") %rest:POST %rest:query-param("compress", "{$compress}", 'false') %rest:produces("application/xml") function _:store($compress as xs:boolean) { () };

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BaseX 12.3: JNodes, Tweaks, Fixes
by Christian Grün 20 May '26

20 May '26

Dear all, We are happy to announce a new major minor (minor major ?) release of BaseX, with support for XQuery 4.0 jnodes! XPath syntax can now be used to navigate in maps and arrays: https://docs.basex.org/13/XQuery_4.0#jnodes As the feature is still fresh, all your feedback is welcome to improve it further. Here is a change log of the other additions: XQUERY 4.0 - JNodes: XPath traversal in map/array structures - Improved string representation of function items - XML, JSON: canonical serialization - Namespace declarations: support for 'fixed' and '##any' XQUERY - HTML Parsing without parser: wrap HTML contents as string value - file:delete: raise no error if target does not exist - file:copy: Preserve capitalization of target path GUI - Support for FlatLaf Look and Feels - Editor: Improved closing of tags FIXES, PERFORMANCE - xquery:fork-join was fixed - info/debugging strings: increased output length - numerous tweaks to take advantage of recent JVMs - fn:path: caching of repeatedly accessed steps Visit the following page to get a full list of new features that will officially be supported with BaseX 13: https://docs.basex.org/13/Changelog Visit our homepage to download the latest version: https://basex.org Have fun, yours, BaseX Team Christian

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Running 2 BaseX instances on same machine
by Liedtke, Alexander 18 May '26

18 May '26

Hello everyone, I have a question installing two instances on the same machine. Does anybody have a recommendation for an installment, especially in regards on where to set/configure the ports (/home/basex/.basex file, start parameters, jetty.xml, etc.) for the secondary instance ? I am using debian 13. BaseX is started as normal user. Goal is to setup a system that works similar to Solr replication. Data is planned to be synched with rsync - or does there exist some kind of replication I did oversee? Many thanks for any tips on this topic. Best regards Alexander Liedtke

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