Squashed commit of the following:

commit 0dfb749
Author: Ko van der Sloot <Ko.vanderSloot@ziggo.nl>
Date:   Wed Dec 10 11:31:18 2025 +0100

    better check on wrefs
    moving on to 2026
    much simplified class init procedure
    better error messages

Author: kosloot

README.md

@@ -6,7 +6,7 @@
 Libfolia: FoLiA Library for C++
 ===================================
 
-    Libfolia (c) CLS/ILK 2010 - 2024
+    Libfolia (c) CLS/ILK 2010 - 2026
     Centre for Language Studies, Radboud University Nijmegen
     Induction of Linguistic Knowledge Research Group, Tilburg University
     KNAW Humanities Cluster

codemeta.json

@@ -7,7 +7,7 @@
     "@type": "SoftwareSourceCode",
     "identifier": "libfolia",
     "name": "libfolia",
-    "version": "2.21.1",
+    "version": "2.22",
     "description": "This is a C++ Library for working with the Format for Linguistic Annotation (FoLiA).",
     "license": "https://spdx.org/licenses/GPL-3.0-only",
 	"url": "https://github.com/LanguageMachines/libfolia",

configure.ac

@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.69])
-AC_INIT([libfolia],[2.21.1],[lamasoftware@science.ru.nl]) #also adapt in codemeta.json!
+AC_INIT([libfolia],[2.22],[lamasoftware@science.ru.nl]) #also adapt in codemeta.json!
 AM_INIT_AUTOMAKE([foreign])
 AC_CONFIG_SRCDIR([configure.ac])
 AC_CONFIG_MACRO_DIR([m4])

docs/dox.cfg

@@ -943,8 +943,8 @@ WARN_LOGFILE           =
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = ./src \
-                         ./include/libfolia
+INPUT                  = ../src \
+                         ../include/libfolia
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses

include/libfolia/folia.h

@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 2006 - 2024
+  Copyright (c) 2006 - 2026
   CLST  - Radboud University
   ILK   - Tilburg University
 

include/libfolia/folia_document.h

@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 2006 - 2024
+  Copyright (c) 2006 - 2026
   CLST  - Radboud University
   ILK   - Tilburg University
 
@@ -505,15 +505,15 @@ namespace folia {
   };
 
   using DocMode = Document::RUN_FLAGS;
-  DEFINE_ENUM_FLAG_OPERATORS(DocMode);
+  DEFINE_ENUM_FLAG_OPERATORS(DocMode)
 
-  inline bool Document::permissive() const { return mode % DocMode::PERMISSIVE; };
-  inline bool Document::checktext() const { return mode % DocMode::CHECKTEXT; };
-  inline bool Document::fixtext() const { return mode % DocMode::FIXTEXT; };
-  inline bool Document::strip() const { return mode % DocMode::STRIP; };
-  inline bool Document::canonical() const { return mode % DocMode::CANONICAL; };
-  inline bool Document::autodeclare() const { return mode % DocMode::AUTODECLARE; };
-  inline bool Document::has_explicit() const { return mode % DocMode::EXPLICIT; };
+  inline bool Document::permissive() const { return mode % DocMode::PERMISSIVE; }
+  inline bool Document::checktext() const { return mode % DocMode::CHECKTEXT; }
+  inline bool Document::fixtext() const { return mode % DocMode::FIXTEXT; }
+  inline bool Document::strip() const { return mode % DocMode::STRIP; }
+  inline bool Document::canonical() const { return mode % DocMode::CANONICAL; }
+  inline bool Document::autodeclare() const { return mode % DocMode::AUTODECLARE; }
+  inline bool Document::has_explicit() const { return mode % DocMode::EXPLICIT; }
 
   template <> inline
     Text *Document::create_root( const KWargs& args ){
@@ -550,7 +550,7 @@ namespace folia {
   std::string folia_version();
   using DocDbg = Document::DEBUG_FLAGS;
   std::string toString( DocDbg mode );
-  DEFINE_ENUM_FLAG_OPERATORS(DocDbg);
+  DEFINE_ENUM_FLAG_OPERATORS(DocDbg)
   std::ostream& operator<<( std::ostream&, const DocDbg& );
   extern TiCC::LogStream *_dbg_file; //!< the debugging stream
 } // namespace folia

include/libfolia/folia_engine.h

@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 2006 - 2024
+  Copyright (c) 2006 - 2026
   CLST  - Radboud University
   ILK   - Tilburg University
 

include/libfolia/folia_impl.h

@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 2006 - 2024
+  Copyright (c) 2006 - 2026
   CLST  - Radboud University
   ILK   - Tilburg University
 
@@ -102,7 +102,6 @@ namespace folia {
     virtual ~FoliaElement(){};
   public:
     virtual void destroy() = 0;
-    virtual void init() {};
     virtual size_t size() const = 0;
     virtual FoliaElement* index( size_t ) const = 0;
     virtual FoliaElement* opaque_index( size_t ) const = 0;
@@ -393,6 +392,7 @@ namespace folia {
     virtual bool hasCurrent() const NOT_IMPLEMENTED;
     virtual Current *getCurrent() const NOT_IMPLEMENTED;
     virtual FoliaElement *getCurrent( size_t ) const NOT_IMPLEMENTED;
+    virtual bool hasSuggestions() const NOT_IMPLEMENTED;
     virtual Correction *incorrection() const NOT_IMPLEMENTED;
     virtual Correction *split( FoliaElement *, FoliaElement *,
 			       const std::string& = "" ) NOT_IMPLEMENTED;
@@ -596,7 +596,6 @@ namespace folia {
     virtual ~AbstractElement() override;
   public:
     void destroy() override;
-    void classInit();
     void classInit( const KWargs& );
 
     //functions regarding contained data

include/libfolia/folia_metadata.h

@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 2006 - 2024
+  Copyright (c) 2006 - 2026
   CLST  - Radboud University
   ILK   - Tilburg University
 

include/libfolia/folia_properties.h

@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 2006 - 2024
+  Copyright (c) 2006 - 2026
   CLST  - Radboud University
   ILK   - Tilburg University