--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/tesseract/src/dict/hyphen.cpp	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,60 @@
+/******************************************************************************
+ * File:         hyphen.cpp  (Formerly hyphen.c)
+ * Description:  Functions for maintaining information about hyphenated words.
+ * Author:       Mark Seaman, OCR Technology
+ * Status:       Reusable Software Component
+ *
+ * (c) Copyright 1987, Hewlett-Packard Company.
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
+ ** http://www.apache.org/licenses/LICENSE-2.0
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
+ ** limitations under the License.
+ *
+ *****************************************************************************/
+
+#include "dict.h"
+
+namespace tesseract {
+
+// Unless the previous word was the last one on the line, and the current
+// one is not (thus it is the first one on the line), erase hyphen_word_,
+// clear hyphen_active_dawgs_, hyphen_constraints_ update last_word_on_line_.
+void Dict::reset_hyphen_vars(bool last_word_on_line) {
+  if (!(last_word_on_line_ == true && last_word_on_line == false)) {
+    if (hyphen_word_ != nullptr) {
+      delete hyphen_word_;
+      hyphen_word_ = nullptr;
+      hyphen_active_dawgs_.clear();
+    }
+  }
+  if (hyphen_debug_level) {
+    tprintf("reset_hyphen_vars: last_word_on_line %d -> %d\n", last_word_on_line_,
+            last_word_on_line);
+  }
+  last_word_on_line_ = last_word_on_line;
+}
+
+// Update hyphen_word_, and copy the given DawgPositionVectors into
+// hyphen_active_dawgs_.
+void Dict::set_hyphen_word(const WERD_CHOICE &word, const DawgPositionVector &active_dawgs) {
+  if (hyphen_word_ == nullptr) {
+    hyphen_word_ = new WERD_CHOICE(word.unicharset());
+    hyphen_word_->make_bad();
+  }
+  if (hyphen_word_->rating() > word.rating()) {
+    *hyphen_word_ = word;
+    // Remove the last unichar id as it is a hyphen, and remove
+    // any unichar_string/lengths that are present.
+    hyphen_word_->remove_last_unichar_id();
+    hyphen_active_dawgs_ = active_dawgs;
+  }
+  if (hyphen_debug_level) {
+    hyphen_word_->print("set_hyphen_word: ");
+  }
+}
+} // namespace tesseract