docs(cs): fix typos; occured -> occurred

src/Lucene.Net.Analysis.Common/Analysis/CharFilter/HTMLStripCharFilter.cs

@@ -31125,7 +31125,7 @@ private void YyBegin(int newState)
         private int YyLength => zzMarkedPos - zzStartRead;
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Standard/ClassicTokenizerImpl.cs

@@ -590,7 +590,7 @@ public char YyCharAt(int pos)
 
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Standard/StandardTokenizerImpl.cs

@@ -1187,7 +1187,7 @@ public char YyCharAt(int pos)
 
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Standard/Std31/StandardTokenizerImpl31.cs

@@ -902,7 +902,7 @@ public char YyCharAt(int pos)
         public int YyLength => zzMarkedPos - zzStartRead;
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Standard/Std31/UAX29URLEmailTokenizerImpl31.cs

@@ -3456,7 +3456,7 @@ public char YyCharAt(int pos)
         public int YyLength => zzMarkedPos - zzStartRead;
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         ///
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Standard/Std34/StandardTokenizerImpl34.cs

@@ -922,7 +922,7 @@ public char YyCharAt(int pos)
         public int YyLength => zzMarkedPos - zzStartRead;
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Standard/Std34/UAX29URLEmailTokenizerImpl34.cs

@@ -3570,7 +3570,7 @@ public char YyCharAt(int pos)
         public int YyLength => zzMarkedPos - zzStartRead;
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Standard/Std36/UAX29URLEmailTokenizerImpl36.cs

@@ -4007,7 +4007,7 @@ public char YyCharAt(int pos)
 
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Standard/Std40/StandardTokenizerImpl40.cs

@@ -1037,7 +1037,7 @@ public char YyCharAt(int pos)
 
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Standard/Std40/UAX29URLEmailTokenizerImpl40.cs

@@ -4225,7 +4225,7 @@ public char YyCharAt(int pos)
 
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Standard/UAX29URLEmailTokenizerImpl.cs

@@ -9332,7 +9332,7 @@ public char YyCharAt(int pos)
 
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Analysis.Common/Analysis/Wikipedia/WikipediaTokenizerImpl.cs

@@ -692,7 +692,7 @@ public char YyCharAt(int pos)
 
 
         /// <summary>
-        /// Reports an error that occured while scanning.
+        /// Reports an error that occurred while scanning.
         /// <para/>
         /// In a wellformed scanner (no or only correct usage of
         /// YyPushBack(int) and a match-all fallback rule) this method

src/Lucene.Net.Suggest/Suggest/Jaspell/JaspellTernarySearchTrie.cs

@@ -219,7 +219,7 @@ internal virtual TSTNode Root
         /// <param name="file">
         ///          The <see cref="FileInfo"/> with the data to load into the Trie. </param>
         /// <exception cref="IOException">
-        ///              A problem occured while reading the data. </exception>
+        ///              A problem occurred while reading the data. </exception>
         public JaspellTernarySearchTrie(FileInfo file)
             : this(file.FullName, false, CultureInfo.CurrentCulture)
         {
@@ -235,7 +235,7 @@ public JaspellTernarySearchTrie(FileInfo file)
         /// <param name="fileName">
         ///          The file name with the data to load into the Trie. The path is not normalized by this method. </param>
         /// <exception cref="IOException">
-        ///              A problem occured while reading the data. </exception>
+        ///              A problem occurred while reading the data. </exception>
         /// <remarks>
         /// LUCENENET: This constructor overload takes a string <paramref name="fileName"/> to avoid having to allocate a <see cref="FileInfo"/> object.
         /// </remarks>
@@ -255,7 +255,7 @@ public JaspellTernarySearchTrie(string fileName)
         ///          The <see cref="FileInfo"/> with the data to load into the Trie. </param>
         /// <param name="culture">The culture used for lowercasing.</param>
         /// <exception cref="IOException">
-        ///              A problem occured while reading the data. </exception>
+        ///              A problem occurred while reading the data. </exception>
         public JaspellTernarySearchTrie(FileInfo file, CultureInfo culture)
             : this(file.FullName, false, culture)
         { }
@@ -271,7 +271,7 @@ public JaspellTernarySearchTrie(FileInfo file, CultureInfo culture)
         ///          The file name with the data to load into the Trie. The path is not normalized by this method. </param>
         /// <param name="culture">The culture used for lowercasing.</param>
         /// <exception cref="IOException">
-        ///              A problem occured while reading the data. </exception>
+        ///              A problem occurred while reading the data. </exception>
         /// <remarks>
         /// LUCENENET: This constructor overload takes a string <paramref name="fileName"/> to avoid having to allocate a <see cref="FileInfo"/> object.
         /// </remarks>
@@ -292,7 +292,7 @@ public JaspellTernarySearchTrie(string fileName, CultureInfo culture)
         ///          If true, the file is compressed with the GZIP algorithm, and if
         ///          false, the file is a normal text document. </param>
         /// <exception cref="IOException">
-        ///              A problem occured while reading the data. </exception>
+        ///              A problem occurred while reading the data. </exception>
         public JaspellTernarySearchTrie(FileInfo file, bool compression)
             : this(file.FullName, compression, CultureInfo.CurrentCulture)
         { }
@@ -310,7 +310,7 @@ public JaspellTernarySearchTrie(FileInfo file, bool compression)
         ///          If true, the file is compressed with the GZIP algorithm, and if
         ///          false, the file is a normal text document. </param>
         /// <exception cref="IOException">
-        ///              A problem occured while reading the data. </exception>
+        ///              A problem occurred while reading the data. </exception>
         /// <remarks>
         /// LUCENENET: This constructor overload takes a string <paramref name="fileName"/> to avoid having to allocate a <see cref="FileInfo"/> object.
         /// </remarks>
@@ -337,7 +337,7 @@ public JaspellTernarySearchTrie(string fileName, bool compression)
         ///          false, the file is a normal text document. </param>
         /// <param name="culture">The culture used for lowercasing.</param>
         /// <exception cref="IOException">
-        ///              A problem occured while reading the data. </exception>
+        ///              A problem occurred while reading the data. </exception>
         public JaspellTernarySearchTrie(FileInfo file, bool compression, CultureInfo culture)
             : this(file.FullName, compression, culture)
         {
@@ -362,7 +362,7 @@ public JaspellTernarySearchTrie(FileInfo file, bool compression, CultureInfo cul
         ///          false, the file is a normal text document. </param>
         /// <param name="culture">The culture used for lowercasing.</param>
         /// <exception cref="IOException">
-        ///              A problem occured while reading the data. </exception>
+        ///              A problem occurred while reading the data. </exception>
         /// <remarks>
         /// LUCENENET: This constructor overload takes a string <paramref name="fileName"/> to avoid having to allocate a <see cref="FileInfo"/> object.
         /// </remarks>

src/Lucene.Net/Index/DocFieldProcessor.cs

@@ -143,7 +143,7 @@ public override void Abort()
                 }
             }
 
-            // If any errors occured, throw it.
+            // If any errors occurred, throw it.
             if (th != null)
             {
                 if (th.IsRuntimeException()) ExceptionDispatchInfo.Capture(th).Throw(); // LUCENENET: Rethrow to preserve stack details from the original throw

src/Lucene.Net/Index/IndexWriter.cs

@@ -5387,7 +5387,7 @@ private void CloseMergeReaders(MergePolicy.OneMerge merge, bool suppressExceptio
                     }
                 }
 
-                // If any error occured, throw it.
+                // If any error occurred, throw it.
                 if (!suppressExceptions)
                 {
                     IOUtils.ReThrow(th);

src/Lucene.Net/Search/SearcherManager.cs

@@ -143,7 +143,7 @@ protected override int GetRefCount(IndexSearcher reference)
         }
 
         /// <summary>
-        /// Returns <c>true</c> if no changes have occured since this searcher
+        /// Returns <c>true</c> if no changes have occurred since this searcher
         /// ie. reader was opened, otherwise <c>false</c>. </summary>
         /// <seealso cref="DirectoryReader.IsCurrent()"/>
         public bool IsSearcherCurrent()

src/Lucene.Net/Util/Automaton/RegExp.cs

@@ -415,7 +415,7 @@ internal RegExp()
         /// <c>RegExp(s, RegExpSyntax.ALL)</c>.
         /// </summary>
         /// <param name="s"> Regexp string. </param>
-        /// <exception cref="ArgumentException"> If an error occured while parsing the
+        /// <exception cref="ArgumentException"> If an error occurred while parsing the
         ///              regular expression. </exception>
         public RegExp(string s)
             : this(s, RegExpSyntax.ALL)
@@ -428,7 +428,7 @@ public RegExp(string s)
         /// <param name="s"> Regexp string. </param>
         /// <param name="syntax_flags"> Boolean 'or' of optional <see cref="RegExpSyntax"/> constructs to be
         ///          enabled. </param>
-        /// <exception cref="ArgumentException"> If an error occured while parsing the
+        /// <exception cref="ArgumentException"> If an error occurred while parsing the
         ///              regular expression </exception>
         public RegExp(string s, RegExpSyntax syntax_flags)
         {