[geos-commits] [SCM] GEOS branch main updated. 6201229a66ae3eef2b0c62cc39dbab48b2e3df7e

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- Log -----------------------------------------------------------------
commit 6201229a66ae3eef2b0c62cc39dbab48b2e3df7e
Author: Mike Taves <mwtoews at gmail.com>
Date:   Sun Jul 21 09:25:18 2024 +1200

    Fix typos (#1128)

diff --git a/NEWS.md b/NEWS.md
index 7b32bc8bf..02b748e0a 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -218,7 +218,7 @@
   - Autoconf build system is dropped in favour of CMake
     See README.md and INSTALL.md for examples of usage
   - Libtool is no longer used for in favour of CMake
-    Therefor libgeos.la is no longer built/installed
+    Therefore libgeos.la is no longer built/installed
   - #1094, #1090: Drop inlines.cpp to address duplicate symbols on many platforms
     (Regina Obe)
   - GH475: Do not return NaN from GEOSProjectNormalized_r (Paul Ramsey)
@@ -243,7 +243,7 @@
   - Update geos-config tool for consistency
     and escape paths (https://git.osgeo.org/gitea/geos/geos/pulls/99)
     changes mostly affect CMake MSVC builds (#1015, Mike Taves)
-  - Testing on Rasberry Pi 32-bit (berrie) (#1017, Bruce Rindahl, Regina Obe)
+  - Testing on Raspberry Pi 32-bit (berrie) (#1017, Bruce Rindahl, Regina Obe)
   - Replace ttmath with JTS DD double-double implementation (Paul Ramsey)
   - Fix bug in DistanceOp for geometries with empty components (#1026, Paul Ramsey)
   - Remove undefined behaviour in CAPI (#1021, Greg Troxel)
@@ -495,7 +495,7 @@ See 3.7.0 notes
     - Fix area boundary return from GEOSPointOnSurface (#623)
     - Speedup GEOSWKBReader_read (#621)
     - Fix RobustLineIntersector handling of invalid intersection points (#622)
-    - Reduce likelyhood of invalid output from snap operation (#629, #501)
+    - Reduce likelihood of invalid output from snap operation (#629, #501)
     - Reduce memory fragmentation of prepared Polygon/Point intersection op
     - Fix mingw64 compile (#630)
     - Fix bug in HotPixel constructor (#635)
@@ -526,7 +526,7 @@ See 3.7.0 notes
 2012-11-15 -- that's Post-GIS day !
 
 - Bug fixes / improvements
-    - Add support for testing with phpunit 3.6 (not loosing support for 3.4)
+    - Add support for testing with phpunit 3.6 (not losing support for 3.4)
     - Segfault from intersection (#586, #598, #599)
 
 ## Changes in 3.3.5
@@ -607,7 +607,7 @@ See 3.7.0 notes
           GEOSGeom_createEmptyPolygon, GEOSGeom_createEmptyCollection
   - CAPI: GEOSGeom_extractUniquePoints
   - CAPI: GEOSGetGeometryN support for single geometries
-  - CAPI: GEOSPolygonize_full to return all informations computed by
+  - CAPI: GEOSPolygonize_full to return all information computed by
           the polygonizer
   - CAPI: GEOSOrientationIndex
   - CAPI: GEOSSharedPaths to find shared paths and their orientation
@@ -700,7 +700,7 @@ See 3.7.0 notes
 	- New operation/predicate package
 	- Added CGAlgorithms::isPointInRing() version working with
 	  Coordinate::ConstVect type (faster!)
-	- Added getAt(int pos, Coordinate &to) funtion to CoordinateSequence
+	- Added getAt(int pos, Coordinate &to) function to CoordinateSequence
 	  class.
 	- Moved GetNumGeometries() and GetGeometryN() interfaces
 	  from GeometryCollection to Geometry class.
@@ -772,12 +772,12 @@ See 3.7.0 notes
 	- Namespaces mapping JTS packages
 	- Renamed classes after JTS names (namespaces use made this possible
 	  w/out name clashes)
-	- Splitted headers, for build speedup and possible API reduction.
+	- Split headers, for build speedup and possible API reduction.
 	- Moved source/bigtest and source/test to tests/bigtest
 	  and test/xmltester
 	- Moved C-API in it's own top-level dir capi/
 	- Reworked automake scripts to produce a static lib for each subdir
-	  and then link all subsystem's libs togheter
+	  and then link all subsystem's libs together
 	- Renamed DefaultCoordinateSequence to CoordinateArraySequence.
 	- Renamed OverlayOp opcodes by prepending the 'op' prefix, and
 	  given the enum a name (OpCode) for type-safety.
@@ -813,7 +813,7 @@ See 3.7.0 notes
 	  	  use unsigned int rather then int
 	- Changed EdgeEndStar to maintain a single container for EdgeEnds
 	- Changed PlanarGraph::addEdges to take a const vector by ref
-	  rathern then a non-const vector by pointer
+	  rather then a non-const vector by pointer
 	- Changed EdgeList::addAll to take a const vector by ref
 	  rather then a non-const vector by pointer
 	- Added apply_rw(CoordinateFilter *) and apply_ro(CoordinateFilter *)
diff --git a/benchmarks/capi/CMakeLists.txt b/benchmarks/capi/CMakeLists.txt
index 17457b848..729afa5cb 100644
--- a/benchmarks/capi/CMakeLists.txt
+++ b/benchmarks/capi/CMakeLists.txt
@@ -9,7 +9,7 @@
 # See the COPYING file for more information.
 ################################################################################
 add_executable(perf_memleak_mp_prep memleak_mp_prep.c)
-# test_perf_memleak_mp_prep is not dependant against geos target,
+# test_perf_memleak_mp_prep is not dependent against geos target,
 # but geos_c only, so need explicit include directories.
 target_include_directories(perf_memleak_mp_prep
   PUBLIC
diff --git a/capi/geos_c.cpp b/capi/geos_c.cpp
index 0794c1801..98025b7a9 100644
--- a/capi/geos_c.cpp
+++ b/capi/geos_c.cpp
@@ -146,7 +146,7 @@ extern "C" {
 
     /****************************************************************
     ** relate()-related functions
-    ** return 0 = false, 1 = true, 2 = error occured
+    ** return 0 = false, 1 = true, 2 = error occurred
     **
     */
     char
diff --git a/capi/geos_c.h.in b/capi/geos_c.h.in
index 3327da757..124d26524 100644
--- a/capi/geos_c.h.in
+++ b/capi/geos_c.h.in
@@ -2666,7 +2666,7 @@ extern int GEOS_DLL GEOSGetSRID(const GEOSGeometry* g);
 /**
 * Return the anonymous "user data" for this geometry.
 * User data must be managed by the caller, and is not freed when
-* the geometry is destoryed.
+* the geometry is destroyed.
 * \param g Input geometry
 * \return A void* to the user data, caller is responsible for
 *         casting to the appropriate type.
@@ -4060,7 +4060,7 @@ extern GEOSGeometry GEOS_DLL *GEOSConcaveHull(
 * The concave hull is constructed by removing the longest outer edges
 * of the Delaunay Triangulation of the space between the polygons,
 * until the specified maximm edge length is reached.
-* A large value produces the convex hull, 0 produces the hull of maximim concaveness.
+* A large value produces the convex hull, 0 produces the hull of maximum concaveness.
 *
 * \param g The input geometry
 * \param length The maximum edge length (0 or greater)
@@ -4495,7 +4495,7 @@ extern GEOSGeometry GEOS_DLL *GEOSPolygonizer_getCutEdges(
 
 /**
 * Perform the polygonization as GEOSPolygonize() and return the
-* polygonal result as well as all extra ouputs.
+* polygonal result as well as all extra outputs.
 *
 * \param[in] input A single geometry with all the input lines to polygonize.
 * \param[out] cuts Pointer to hold "cut edges", connected on both ends but not part of output. Caller must free.
@@ -4715,7 +4715,7 @@ extern GEOSGeometry GEOS_DLL *GEOSGeom_transformXY(
 * \param input An input geometry
 * \param snap_target A geometry to snap the input to
 * \param tolerance Snapping tolerance
-* \return The snapped verion of the input. NULL on exception.
+* \return The snapped version of the input. NULL on exception.
 * Caller is responsible for freeing with GEOSGeom_destroy().
 *
 * \since 3.3
@@ -5268,7 +5268,7 @@ extern GEOSSTRtree GEOS_DLL *GEOSSTRtree_create(size_t nodeCapacity);
 * Construct an STRtree from items that have been inserted. Once constructed,
 * no more items may be inserted into the tree. Functions that require a
 * constructed tree will build it automatically, so there is no need to call
-* `GEOSSTRtree_build` unless it is desired to explicity construct the tree
+* `GEOSSTRtree_build` unless it is desired to explicitly construct the tree
 * in a certain section of code or using a certain thread.
 *
 * \param tree the \ref GEOSSTRtree to apply the build to
diff --git a/include/geos/algorithm/ConvexHull.h b/include/geos/algorithm/ConvexHull.h
index bed2e0f3a..e8eba463e 100644
--- a/include/geos/algorithm/ConvexHull.h
+++ b/include/geos/algorithm/ConvexHull.h
@@ -25,7 +25,7 @@
 #include <vector>
 #include <cassert>
 
-// FIXME: avoid using Cordinate:: typedefs to avoid full include
+// FIXME: avoid using Coordinate:: typedefs to avoid full include
 #include <geos/algorithm/ConvexHull.h>
 #include <geos/geom/Coordinate.h>
 #include <geos/geom/CoordinateSequence.h>
@@ -153,7 +153,7 @@ private:
 
     /**
      * Write in 'cleaned' a version of 'input' with collinear
-     * vertexes removed.
+     * vertices removed.
      */
     void cleanRing(const geom::Coordinate::ConstVect& input,
                    geom::Coordinate::ConstVect& cleaned);
diff --git a/include/geos/algorithm/HCoordinate.h b/include/geos/algorithm/HCoordinate.h
index c7c328bc3..294981c2d 100644
--- a/include/geos/algorithm/HCoordinate.h
+++ b/include/geos/algorithm/HCoordinate.h
@@ -72,7 +72,7 @@ public:
 
     /** \brief
      * Constructs a homogeneous coordinate which is the intersection
-     * of the lines define by the homogenous coordinates represented
+     * of the lines define by the homogeneous coordinates represented
      * by two [Coordinates](@ref geom::Coordinate).
      *
      * @param p1
diff --git a/include/geos/geom/CoordinateList.h b/include/geos/geom/CoordinateList.h
index 9e3b46510..532fd3df3 100644
--- a/include/geos/geom/CoordinateList.h
+++ b/include/geos/geom/CoordinateList.h
@@ -46,7 +46,7 @@ namespace geom { // geos::geom
 
 /** \brief
  * A list of {@link Coordinate}s, which may
- * be set to prevent repeated coordinates from occuring in the list.
+ * be set to prevent repeated coordinates from occurring in the list.
  *
  * Use this class when fast insertions and removal at arbitrary
  * position is needed.
diff --git a/include/geos/geom/CoordinateSequences.h b/include/geos/geom/CoordinateSequences.h
index 72d9d3fca..93595be53 100644
--- a/include/geos/geom/CoordinateSequences.h
+++ b/include/geos/geom/CoordinateSequences.h
@@ -37,7 +37,7 @@ private:
 public:
     ///
     /// \brief binaryDispatch calls a functor template, explicitly providing the backing types of two CoordinateSequences. The
-    /// CoordinateSequences are not provided to the functor as arguments but can be provided along with any other arugments
+    /// CoordinateSequences are not provided to the functor as arguments but can be provided along with any other arguments
     /// through the `args` argument.
     template<typename F, class... Args>
     static void binaryDispatch(const CoordinateSequence& seq1, const CoordinateSequence& seq2, F& fun, Args... args)
diff --git a/include/geos/geom/GeometryFactory.h b/include/geos/geom/GeometryFactory.h
index 5737cdd81..10c1e867f 100644
--- a/include/geos/geom/GeometryFactory.h
+++ b/include/geos/geom/GeometryFactory.h
@@ -126,7 +126,7 @@ public:
     static const GeometryFactory*
     getDefaultInstance();
 
-//Skipped a lot of list to array convertors
+//Skipped a lot of list to array converters
 
     static std::unique_ptr<Point> createPointFromInternalCoord(const Coordinate* coord,
                                         const Geometry* exemplar);
@@ -389,7 +389,7 @@ public:
 
     /// See buildGeometry(std::vector<Geometry *>&) for semantics
     //
-    /// Will clone the geometries accessible trough the iterator.
+    /// Will clone the geometries accessible through the iterator.
     ///
     /// @tparam T an iterator yielding something which casts to const Geometry*
     /// @param from start iterator
diff --git a/include/geos/geom/IntersectionMatrix.h b/include/geos/geom/IntersectionMatrix.h
index 76823abbd..ed2ff77c6 100644
--- a/include/geos/geom/IntersectionMatrix.h
+++ b/include/geos/geom/IntersectionMatrix.h
@@ -61,7 +61,7 @@ public:
     IntersectionMatrix();
 
     /** \brief
-     * Overriden constructor.
+     * Overridden constructor.
      *
      * Creates an IntersectionMatrix with the given dimension symbols.
      *
diff --git a/include/geos/geom/PrecisionModel.h b/include/geos/geom/PrecisionModel.h
index f97fa22f4..2228067c5 100644
--- a/include/geos/geom/PrecisionModel.h
+++ b/include/geos/geom/PrecisionModel.h
@@ -236,7 +236,7 @@ public:
     /**
     * Computes the grid size for a fixed precision model.
     * This is equal to the reciprocal of the scale factor.
-    * If the grid size has been set explicity (via a negative scale factor)
+    * If the grid size has been set explicitly (via a negative scale factor)
     * it will be returned.
     *
     * @return the grid size at a fixed precision scale.
diff --git a/include/geos/geom/util/GeometryEditor.h b/include/geos/geom/util/GeometryEditor.h
index 86e1a3226..294aad3c8 100644
--- a/include/geos/geom/util/GeometryEditor.h
+++ b/include/geos/geom/util/GeometryEditor.h
@@ -55,7 +55,7 @@ namespace util { // geos.geom.util
  *   this is not checked by the GeometryEditor
  * - the coordinate lists may be changed
  *   (e.g. by adding or deleting coordinates).
- *   The modifed coordinate lists must be consistent with their original
+ *   The modified coordinate lists must be consistent with their original
  *   parent component
  *   (e.g. a LinearRing must always have at least 4 coordinates, and the
  *   first and last coordinate must be equal)
diff --git a/include/geos/geom/util/GeometryTransformer.h b/include/geos/geom/util/GeometryTransformer.h
index ed49566c6..7cbe0c35f 100644
--- a/include/geos/geom/util/GeometryTransformer.h
+++ b/include/geos/geom/util/GeometryTransformer.h
@@ -148,7 +148,7 @@ private:
     bool pruneEmptyGeometry;
 
     /**
-     * `true` if a homogenous collection result
+     * `true` if a homogeneous collection result
      * from a {@link GeometryCollection} should still
      * be a general GeometryCollection
      */
diff --git a/include/geos/geomgraph/DirectedEdge.h b/include/geos/geomgraph/DirectedEdge.h
index 8b4d8f8e0..13c09632d 100644
--- a/include/geos/geomgraph/DirectedEdge.h
+++ b/include/geos/geomgraph/DirectedEdge.h
@@ -159,7 +159,7 @@ public:
     };
 
     /** \brief
-     * Tells wheter this edge is a Line
+     * Tells whether this edge is a Line
      *
      * This edge is a line edge if
      * - at least one of the labels is a line label
@@ -169,7 +169,7 @@ public:
     bool isLineEdge();
 
     /** \brief
-     * Tells wheter this edge is an Area
+     * Tells whether this edge is an Area
      *
      * This is an interior Area edge if
      * - its label is an Area label for both Geometries
diff --git a/include/geos/geomgraph/DirectedEdgeStar.h b/include/geos/geomgraph/DirectedEdgeStar.h
index 15880ae73..4400daa46 100644
--- a/include/geos/geomgraph/DirectedEdgeStar.h
+++ b/include/geos/geomgraph/DirectedEdgeStar.h
@@ -117,7 +117,7 @@ public:
     void linkAllDirectedEdges();
 
     /** \brief
-     * Traverse the star of edges, maintaing the current location in the result
+     * Traverse the star of edges, maintaining the current location in the result
      * area at this node (if any).
      *
      * If any L edges are found in the interior of the result, mark them as covered.
diff --git a/include/geos/index/bintree/Bintree.h b/include/geos/index/bintree/Bintree.h
index b0d897cbe..4c414761a 100644
--- a/include/geos/index/bintree/Bintree.h
+++ b/include/geos/index/bintree/Bintree.h
@@ -44,7 +44,7 @@ namespace bintree { // geos::index::bintree
  * may be a single point).
  *
  * This implementation does not require specifying the extent of the inserted
- * items beforehand. It will automatically expand to accomodate any extent
+ * items beforehand. It will automatically expand to accommodate any extent
  * of dataset.
  *
  * This index is different to the "Interval Tree of Edelsbrunner"
diff --git a/include/geos/index/quadtree/Quadtree.h b/include/geos/index/quadtree/Quadtree.h
index aa9fcf7f1..9f92f609e 100644
--- a/include/geos/index/quadtree/Quadtree.h
+++ b/include/geos/index/quadtree/Quadtree.h
@@ -61,7 +61,7 @@ namespace quadtree { // geos::index::quadtree
  * intersection, such as testing other kinds of spatial relationships.
  *
  * This implementation does not require specifying the extent of the inserted
- * items beforehand.  It will automatically expand to accomodate any extent
+ * items beforehand.  It will automatically expand to accommodate any extent
  * of dataset.
  *
  * This data structure is also known as an <i>MX-CIF quadtree</i>
diff --git a/include/geos/io/GeoJSONReader.h b/include/geos/io/GeoJSONReader.h
index c47555502..41834f1dd 100644
--- a/include/geos/io/GeoJSONReader.h
+++ b/include/geos/io/GeoJSONReader.h
@@ -50,7 +50,7 @@ class GEOS_DLL GeoJSONReader {
 public:
 
     /**
-     * \brief Inizialize parser with given GeometryFactory.
+     * \brief Initialize parser with given GeometryFactory.
      *
      * Note that all Geometry objects created by the
      * parser will contain a pointer to the given factory
@@ -60,7 +60,7 @@ public:
     GeoJSONReader(const geom::GeometryFactory& gf);
 
     /**
-     * \brief Inizialize parser with default GeometryFactory.
+     * \brief Initialize parser with default GeometryFactory.
      *
      */
     GeoJSONReader();
diff --git a/include/geos/io/WKBReader.h b/include/geos/io/WKBReader.h
index 008f32865..9d410c250 100644
--- a/include/geos/io/WKBReader.h
+++ b/include/geos/io/WKBReader.h
@@ -88,7 +88,7 @@ public:
 
     WKBReader(geom::GeometryFactory const& f);
 
-    /// Inizialize parser with default GeometryFactory.
+    /// Initialize parser with default GeometryFactory.
     WKBReader();
 
     void setFixStructure(bool doFixStructure);
diff --git a/include/geos/linearref/LengthIndexedLine.h b/include/geos/linearref/LengthIndexedLine.h
index 462957153..d5c823768 100644
--- a/include/geos/linearref/LengthIndexedLine.h
+++ b/include/geos/linearref/LengthIndexedLine.h
@@ -157,7 +157,7 @@ public:
      *
      * (The subline must **conform** to the line; that is,
      * all vertices in the subline (except possibly the first and last)
-     * must be vertices of the line and occcur in the same order).
+     * must be vertices of the line and occur in the same order).
      *
      * @param subLine a subLine of the line
      * @return a pair of indices for the start and end of the subline.
diff --git a/include/geos/namespaces.h b/include/geos/namespaces.h
index dd71a2105..61132b857 100644
--- a/include/geos/namespaces.h
+++ b/include/geos/namespaces.h
@@ -143,7 +143,7 @@ namespace index { // geos.index
 /// formats.
 ///
 /// The Java Topology Suite (JTS) is a Java API that implements a core set of
-/// spatial data operations usin g an explicit precision model and robust
+/// spatial data operations using an explicit precision model and robust
 /// geometric algorithms. JTS is intended to be used in the devel opment of
 /// applications that support the validation, cleaning, integration and
 /// querying of spatial data sets.
diff --git a/include/geos/noding/Octant.h b/include/geos/noding/Octant.h
index 2202131ed..7b96c0af1 100644
--- a/include/geos/noding/Octant.h
+++ b/include/geos/noding/Octant.h
@@ -46,7 +46,7 @@ namespace noding { // geos.noding
  */
 class GEOS_DLL Octant {
 private:
-    Octant() {} // Can't instanciate it
+    Octant() {} // Can't instantiate it
 public:
 
     /**
diff --git a/include/geos/operation/overlayng/EdgeNodingBuilder.h b/include/geos/operation/overlayng/EdgeNodingBuilder.h
index c04124e3d..aec4d7b41 100644
--- a/include/geos/operation/overlayng/EdgeNodingBuilder.h
+++ b/include/geos/operation/overlayng/EdgeNodingBuilder.h
@@ -110,7 +110,7 @@ private:
     * This is one of:
     *
     * - Fixed precision: a snap-rounding noder (which should be fully robust)
-    * - Floating precision: a conventional nodel (which may be non-robust).
+    * - Floating precision: a conventional model (which may be non-robust).
     *   In this case, a validation step is applied to the output from the noder.
     */
     Noder* getNoder();
diff --git a/include/geos/operation/polygonize/BuildArea.h b/include/geos/operation/polygonize/BuildArea.h
index 0dd7d6486..679698a27 100644
--- a/include/geos/operation/polygonize/BuildArea.h
+++ b/include/geos/operation/polygonize/BuildArea.h
@@ -62,7 +62,7 @@ public:
 
     ~BuildArea() = default;
 
-    /** \brief Return the area built fromthe constituent linework of the input geometry. */
+    /** \brief Return the area built from the constituent linework of the input geometry. */
     std::unique_ptr<geom::Geometry> build(const geom::Geometry* geom);
 };
 
diff --git a/include/geos/operation/polygonize/PolygonizeGraph.h b/include/geos/operation/polygonize/PolygonizeGraph.h
index b7b7af500..694f8fe02 100644
--- a/include/geos/operation/polygonize/PolygonizeGraph.h
+++ b/include/geos/operation/polygonize/PolygonizeGraph.h
@@ -196,7 +196,7 @@ private:
 
     EdgeRing* findEdgeRing(PolygonizeDirectedEdge* startDE);
 
-    /* Tese are for memory management */
+    /* These are for memory management */
     std::vector<planargraph::Edge*> newEdges;
     std::vector<planargraph::DirectedEdge*> newDirEdges;
     std::vector<planargraph::Node*> newNodes;
diff --git a/include/geos/operation/relate/EdgeEndBundle.h b/include/geos/operation/relate/EdgeEndBundle.h
index 9098ae25b..291d49e22 100644
--- a/include/geos/operation/relate/EdgeEndBundle.h
+++ b/include/geos/operation/relate/EdgeEndBundle.h
@@ -81,7 +81,7 @@ protected:
      * on the boundary and in the interior (e.g. a LineString segment
      * lying on
      * top of a Polygon edge.) In this case the Boundary is
-     * given precendence.
+     * given precedence.
      *
      * These observations result in the following rules for computing
      * the ON location:
diff --git a/include/geos/operation/sharedpaths/SharedPathsOp.h b/include/geos/operation/sharedpaths/SharedPathsOp.h
index 62a421885..dfd75f69a 100644
--- a/include/geos/operation/sharedpaths/SharedPathsOp.h
+++ b/include/geos/operation/sharedpaths/SharedPathsOp.h
@@ -79,12 +79,12 @@ public:
     /// @param sameDirection
     ///   Shared edges having the same direction are pushed
     ///   onto this vector. They'll be of type LineString.
-    ///   Ownership of the edges is tranferred.
+    ///   Ownership of the edges is transferred.
     ///
     /// @param oppositeDirection
     ///   Shared edges having the opposite direction are pushed
     ///   onto this vector. They'll be of type geom::LineString.
-    ///   Ownership of the edges is tranferred.
+    ///   Ownership of the edges is transferred.
     ///
     static void sharedPathsOp(const geom::Geometry& g1,
                               const geom::Geometry& g2,
@@ -106,12 +106,12 @@ public:
     /// @param sameDirection
     ///   Shared edges having the same direction are pushed
     ///   onto this vector. They'll be of type geom::LineString.
-    ///   Ownership of the edges is tranferred.
+    ///   Ownership of the edges is transferred.
     ///
     /// @param oppositeDirection
     ///   Shared edges having the opposite direction are pushed
     ///   onto this vector. They'll be of type geom::LineString.
-    ///   Ownership of the edges is tranferred.
+    ///   Ownership of the edges is transferred.
     ///
     void getSharedPaths(PathList& sameDirection, PathList& oppositeDirection);
 
diff --git a/include/geos/operation/union/CascadedPolygonUnion.h b/include/geos/operation/union/CascadedPolygonUnion.h
index 0bcf39426..a89e6fa1c 100644
--- a/include/geos/operation/union/CascadedPolygonUnion.h
+++ b/include/geos/operation/union/CascadedPolygonUnion.h
@@ -73,7 +73,7 @@ private:
 
     /**
     * An alternative way of unioning polygonal geometries
-    * by using <code>bufer(0)</code>.
+    * by using <code>buffer(0)</code>.
     * Only worth using if regular overlay union fails.
     */
     std::unique_ptr<geom::Geometry> unionPolygonsByBuffer(const geom::Geometry* g0, const geom::Geometry* g1);
diff --git a/include/geos/operation/valid/IndexedNestedPolygonTester.h b/include/geos/operation/valid/IndexedNestedPolygonTester.h
index 17beb1ea8..9ae9dd020 100644
--- a/include/geos/operation/valid/IndexedNestedPolygonTester.h
+++ b/include/geos/operation/valid/IndexedNestedPolygonTester.h
@@ -70,7 +70,7 @@ private:
     *
     * @param the shell to test
     * @param the polygon to test against
-    * @param coordNested return parametr for found coordinate
+    * @param coordNested return parameter for found coordinate
     * @return an interior segment point, or null if the shell is nested correctly
     */
     static bool findIncidentSegmentNestedPoint(
diff --git a/include/geos/planargraph/DirectedEdgeStar.h b/include/geos/planargraph/DirectedEdgeStar.h
index dae69f5a8..4ad9e9c3b 100644
--- a/include/geos/planargraph/DirectedEdgeStar.h
+++ b/include/geos/planargraph/DirectedEdgeStar.h
@@ -101,7 +101,7 @@ public:
     }
 
     /**
-     * \brief Returns the coordinate for the node at wich this
+     * \brief Returns the coordinate for the node at which this
      * star is based
      */
     geom::Coordinate& getCoordinate() const;
diff --git a/include/geos/planargraph/Subgraph.h b/include/geos/planargraph/Subgraph.h
index c3fa2e6d8..18ee0d593 100644
--- a/include/geos/planargraph/Subgraph.h
+++ b/include/geos/planargraph/Subgraph.h
@@ -83,7 +83,7 @@ public:
      *
      * @return a pair with first element being an iterator
      *         to the Edge in set and second element
-     *	       being a boolean value indicating wheter
+     *	       being a boolean value indicating whether
      *	       the Edge has been inserted now or was
      *	       already in the set.
      */
diff --git a/include/geos/precision/CommonBitsOp.h b/include/geos/precision/CommonBitsOp.h
index 69e565be6..9216411fc 100644
--- a/include/geos/precision/CommonBitsOp.h
+++ b/include/geos/precision/CommonBitsOp.h
@@ -149,7 +149,7 @@ public:
         double distance);
 
     /** \brief
-     * If required, returning the result to the orginal precision
+     * If required, returning the result to the original precision
      * if required.
      *
      * In this current implementation, no rounding is performed on the
diff --git a/include/geos/precision/GeometryPrecisionReducer.h b/include/geos/precision/GeometryPrecisionReducer.h
index cd8ccfed9..cb0cb9a82 100644
--- a/include/geos/precision/GeometryPrecisionReducer.h
+++ b/include/geos/precision/GeometryPrecisionReducer.h
@@ -45,7 +45,7 @@ namespace precision { // geos.precision
  * It can be forced to be reduced pointwise by using setPointwise(boolean).
  * Note that in this case the result geometry may be invalid.
  * Linear and point geometry is always reduced pointwise (i.e. without further change to
- * its topology or stucture), since this does not change validity.
+ * its topology or structure), since this does not change validity.
  *
  * By default the geometry precision model is not changed.
  * This can be overridden by usingsetChangePrecisionModel(boolean).
diff --git a/include/geos/simplify/TaggedLineSegment.h b/include/geos/simplify/TaggedLineSegment.h
index a6a5394d1..98b341c8d 100644
--- a/include/geos/simplify/TaggedLineSegment.h
+++ b/include/geos/simplify/TaggedLineSegment.h
@@ -20,7 +20,7 @@
  * makes it useless for a TaggedLineSegment to store copies
  * of coordinates. Using pointers would be good enough here.
  * We don't do it to avoid having to break inheritance from
- * LineSegment, which has copies intead. Wheter LineSegment
+ * LineSegment, which has copies instead. Whether LineSegment
  * itself should be refactored can be discussed.
  *  --strk 2006-04-12
  *
diff --git a/include/geos/triangulate/quadedge/QuadEdgeSubdivision.h b/include/geos/triangulate/quadedge/QuadEdgeSubdivision.h
index 24492d51c..fd4a94f8d 100644
--- a/include/geos/triangulate/quadedge/QuadEdgeSubdivision.h
+++ b/include/geos/triangulate/quadedge/QuadEdgeSubdivision.h
@@ -110,7 +110,7 @@ public:
      * that encloses a supplied bounding box.
      * A new super-bounding box that contains the triangle is computed and stored.
      *
-     * @param env the bouding box to surround
+     * @param env the bounding box to surround
      * @param tolerance the tolerance value for determining if two sites are equal
      */
     QuadEdgeSubdivision(const geom::Envelope& env, double tolerance);
diff --git a/include/geos/vend/json.hpp b/include/geos/vend/json.hpp
index 492118a5f..c81c5c510 100644
--- a/include/geos/vend/json.hpp
+++ b/include/geos/vend/json.hpp
@@ -5255,7 +5255,7 @@ auto input_adapter(T (&array)[N]) -> decltype(input_adapter(array, array + N))
 }
 
 // This class only handles inputs of input_buffer_adapter type.
-// It's required so that expressions like {ptr, len} can be implicitely casted
+// It's required so that expressions like {ptr, len} can be implicitly casted
 // to the correct adapter.
 class span_input_adapter
 {
@@ -10030,7 +10030,7 @@ class binary_reader
 
     @return whether conversion completed
 
-    @note This function needs to respect the system's endianess, because
+    @note This function needs to respect the system's endianness, because
           bytes in CBOR, MessagePack, and UBJSON are stored in network order
           (big endian) and therefore need reordering on little endian systems.
     */
@@ -10202,7 +10202,7 @@ class binary_reader
     /// the number of characters read
     std::size_t chars_read = 0;
 
-    /// whether we can assume little endianess
+    /// whether we can assume little endianness
     const bool is_little_endian = little_endianess();
 
     /// the SAX parser
@@ -14345,7 +14345,7 @@ class binary_writer
     @tparam OutputIsLittleEndian Set to true if output data is
                                  required to be little endian
 
-    @note This function needs to respect the system's endianess, because bytes
+    @note This function needs to respect the system's endianness, because bytes
           in CBOR, MessagePack, and UBJSON are stored in network order (big
           endian) and therefore need reordering on little endian systems.
     */
@@ -14428,7 +14428,7 @@ class binary_writer
     }
 
   private:
-    /// whether we can assume little endianess
+    /// whether we can assume little endianness
     const bool is_little_endian = little_endianess();
 
     /// the output
@@ -17528,7 +17528,7 @@ class basic_json
        - If a subtype is given and the binary array contains exactly 1, 2, 4, 8,
          or 16 elements, the fixext family (fixext1, fixext2, fixext4, fixext8)
          is used. For other sizes, the ext family (ext8, ext16, ext32) is used.
-         The subtype is then added as singed 8-bit integer.
+         The subtype is then added as signed 8-bit integer.
        - If no subtype is given, the bin family (bin8, bin16, bin32) is used.
     - BSON
        - If a subtype is given, it is used and added as unsigned 8-bit integer.
@@ -21482,7 +21482,7 @@ class basic_json
           `key()` returns an empty string.
 
     @warning Using `items()` on temporary objects is dangerous. Make sure the
-             object's lifetime exeeds the iteration. See
+             object's lifetime exceeds the iteration. See
              <https://github.com/nlohmann/json/issues/2040> for more
              information.
 
diff --git a/src/algorithm/CGAlgorithmsDD.cpp b/src/algorithm/CGAlgorithmsDD.cpp
index b58acfe65..ccfef602e 100644
--- a/src/algorithm/CGAlgorithmsDD.cpp
+++ b/src/algorithm/CGAlgorithmsDD.cpp
@@ -80,7 +80,7 @@ CGAlgorithmsDD::orientationIndex(double p1x, double p1y,
 }
 
 
-// inlining this method worsened performance slighly
+// inlining this method worsened performance slightly
 int
 CGAlgorithmsDD::orientationIndex(const CoordinateXY& p1,
                                  const CoordinateXY& p2,
diff --git a/src/algorithm/RobustDeterminant.cpp b/src/algorithm/RobustDeterminant.cpp
index 0b5cf66d4..33b93714b 100644
--- a/src/algorithm/RobustDeterminant.cpp
+++ b/src/algorithm/RobustDeterminant.cpp
@@ -52,7 +52,7 @@ RobustDeterminant::signOfDet2x2(double x1, double y1, double x2, double y2)
 {
     // returns -1 if the determinant is negative,
     // returns  1 if the determinant is positive,
-    // retunrs  0 if the determinant is null.
+    // returns  0 if the determinant is null.
     int sign = 1;
     double swap;
 
diff --git a/src/geom/CoordinateSequence.cpp b/src/geom/CoordinateSequence.cpp
index 0ba723fb1..599ca6ffb 100644
--- a/src/geom/CoordinateSequence.cpp
+++ b/src/geom/CoordinateSequence.cpp
@@ -43,7 +43,7 @@ static Profiler* profiler = Profiler::instance();
 // - XYM sequences will be stored as XYZM
 // This prevents incorrect results when an XYZ Coordinate is read from
 // a sequence storing XY or XYM. When GEOS is changed to check
-// coordinate types throughout the libary, this can be undefined to
+// coordinate types throughout the library, this can be undefined to
 // store coordinates efficiently.
 #define GEOS_COORDSEQ_PADZ
 
diff --git a/src/operation/buffer/BufferBuilder.cpp b/src/operation/buffer/BufferBuilder.cpp
index bb2f17377..716215b71 100644
--- a/src/operation/buffer/BufferBuilder.cpp
+++ b/src/operation/buffer/BufferBuilder.cpp
@@ -539,7 +539,7 @@ BufferBuilder::buffer(const Geometry* g, double distance)
         std::vector<std::unique_ptr<geom::Polygon>> polys = plgnzr.getPolygons();
 
 #if GEOS_DEBUG
-        std::cerr << "Polygonization of noded linework returend: " << polys.size() << " polygons" << std::endl;
+        std::cerr << "Polygonization of noded linework returned: " << polys.size() << " polygons" << std::endl;
 #endif
 
         if ( polys.size() > 1 )
diff --git a/src/operation/buffer/BufferCurveSetBuilder.cpp b/src/operation/buffer/BufferCurveSetBuilder.cpp
index 61a5b8132..41038d74e 100644
--- a/src/operation/buffer/BufferCurveSetBuilder.cpp
+++ b/src/operation/buffer/BufferCurveSetBuilder.cpp
@@ -339,7 +339,7 @@ BufferCurveSetBuilder::addRingSide(const CoordinateSequence* coord,
     }
     std::vector<CoordinateSequence*> lineList;
     curveBuilder.getRingCurve(coord, side, offsetDistance, lineList);
-    // ASSERT: lineList contains exactly 1 curve (this is teh JTS semantics)
+    // ASSERT: lineList contains exactly 1 curve (this is the JTS semantics)
     if (lineList.size() > 0) {
         const CoordinateSequence* curve = lineList[0];
         /**
diff --git a/src/operation/buffer/BufferSubgraph.cpp b/src/operation/buffer/BufferSubgraph.cpp
index 5c0211dc6..f43eb165a 100644
--- a/src/operation/buffer/BufferSubgraph.cpp
+++ b/src/operation/buffer/BufferSubgraph.cpp
@@ -71,7 +71,7 @@ BufferSubgraph::create(Node* node)
     addReachable(node);
 
     // We are assuming that dirEdgeList
-    // contains *at leas* ONE forward DirectedEdge
+    // contains *at least* ONE forward DirectedEdge
     finder.findEdge(&dirEdgeList);
 
     rightMostCoord = &(finder.getCoordinate());
diff --git a/src/operation/buffer/OffsetCurve.cpp b/src/operation/buffer/OffsetCurve.cpp
index d68c0545f..f524ccdc1 100644
--- a/src/operation/buffer/OffsetCurve.cpp
+++ b/src/operation/buffer/OffsetCurve.cpp
@@ -332,13 +332,13 @@ OffsetCurve::matchSegments(
         }
 
         void select(const geom::LineSegment& seg) override {
-            (void)seg; // quiet ununsed variable warning
+            (void)seg; // quiet unused variable warning
             return;
         }
 
         void select(const MonotoneChain& mc, std::size_t segIndex) override
         {
-            (void)mc; // quiet ununsed variable warning
+            (void)mc; // quiet unused variable warning
             /**
             * A curveRingPt segment may match all or only a portion of a single raw segment.
             * There may be multiple curve ring segs that match along the raw segment.
@@ -467,7 +467,7 @@ OffsetCurve::findSectionEnd(
         /**
          *  End section at gap in raw curve.
          *  Only needed for joined curve, since otherwise
-         *  contigous buffer segments can be in same section
+         *  contiguous buffer segments can be in same section
          */
             double locDelta = std::abs(loc[next] - loc[end]);
             if (locDelta > 1)
diff --git a/src/operation/buffer/SubgraphDepthLocater.cpp b/src/operation/buffer/SubgraphDepthLocater.cpp
index 7fa3c90eb..4fc9d578a 100644
--- a/src/operation/buffer/SubgraphDepthLocater.cpp
+++ b/src/operation/buffer/SubgraphDepthLocater.cpp
@@ -70,7 +70,7 @@ public:
     }
 
     /**
-     * Defines a comparision operation on DepthSegments
+     * Defines a comparison operation on DepthSegments
      * which orders them left to right
      *
      * <pre>
diff --git a/src/operation/linemerge/LineSequencer.cpp b/src/operation/linemerge/LineSequencer.cpp
index cef634079..12b826695 100644
--- a/src/operation/linemerge/LineSequencer.cpp
+++ b/src/operation/linemerge/LineSequencer.cpp
@@ -309,7 +309,7 @@ LineSequencer::addReverseSubpath(const planargraph::DirectedEdge* de,
     if(expectedClosed) {
         // the path should end at the toNode of this de,
         // otherwise we have an error
-        util::Assert::isTrue(fromNode == endNode, "path not contiguos");
+        util::Assert::isTrue(fromNode == endNode, "path not contiguous");
         //assert(fromNode == endNode);
     }
 
diff --git a/src/operation/overlayng/OverlayGraph.cpp b/src/operation/overlayng/OverlayGraph.cpp
index 9bf076447..01ce395b0 100644
--- a/src/operation/overlayng/OverlayGraph.cpp
+++ b/src/operation/overlayng/OverlayGraph.cpp
@@ -130,7 +130,7 @@ OverlayGraph::createOverlayEdge(const CoordinateSequence* pts, OverlayLabel* lbl
 OverlayLabel*
 OverlayGraph::createOverlayLabel(const Edge* edge)
 {
-    // Instantate OverlayLabel on the std::deque
+    // Instantiate OverlayLabel on the std::deque
     ovLabelQue.emplace_back();
     // Read back a reference
     OverlayLabel& ovl = ovLabelQue.back();
diff --git a/src/operation/polygonize/BuildArea.cpp b/src/operation/polygonize/BuildArea.cpp
index 3956c735d..37ccd371e 100644
--- a/src/operation/polygonize/BuildArea.cpp
+++ b/src/operation/polygonize/BuildArea.cpp
@@ -98,7 +98,7 @@ static bool ringsEqualAnyDirection(const LinearRing* r1, const LinearRing* r2)
 
     bool equal = true;
 
-    /* Check equals forward (skip first point, we checked it alread) */
+    /* Check equals forward (skip first point, we checked it already) */
     for (size_t i=1; i<npoints; ++i)
     {
         size_t j = ( i + offset ) % npoints;
diff --git a/src/operation/sharedpaths/SharedPathsOp.cpp b/src/operation/sharedpaths/SharedPathsOp.cpp
index 80bfeef25..807881fe1 100644
--- a/src/operation/sharedpaths/SharedPathsOp.cpp
+++ b/src/operation/sharedpaths/SharedPathsOp.cpp
@@ -108,7 +108,7 @@ SharedPathsOp::findLinearIntersections(PathList& to)
 
     auto full = _g1.intersection(&_g2);
 
-    // NOTE: intersection of equal lines yields splitted lines,
+    // NOTE: intersection of equal lines yields split lines,
     //       should we sew them back ?
 
     for(std::size_t i = 0, n = full->getNumGeometries(); i < n; ++i) {
diff --git a/src/simplify/LinkedLine.cpp b/src/simplify/LinkedLine.cpp
index 798769b5a..684e493e9 100644
--- a/src/simplify/LinkedLine.cpp
+++ b/src/simplify/LinkedLine.cpp
@@ -128,7 +128,7 @@ LinkedLine::nextCoordinate(std::size_t index) const
 bool
 LinkedLine::hasCoordinate(std::size_t index) const
 {
-    //-- if not a ring, endpoints are alway present
+    //-- if not a ring, endpoints are always present
     if (! m_isRing && (index == 0 || index == m_coord.size() - 1))
         return true;
 
diff --git a/tests/README.md b/tests/README.md
index 59467f03b..ad81cb68c 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -16,7 +16,7 @@ Note some executables have different names.
 
     bin/test_geos_unit [name] [test number]
     
-The test name is the **tut group name** found in the unit test file on a line begining `group` (e.g. like [this](https://github.com/libgeos/geos/blob/main/tests/unit/operation/buffer/BufferOpTest.cpp#L55).
+The test name is the **tut group name** found in the unit test file on a line beginning `group` (e.g. like [this](https://github.com/libgeos/geos/blob/main/tests/unit/operation/buffer/BufferOpTest.cpp#L55).
 
 ### Run all unit tests
 
diff --git a/tests/unit/algorithm/distance/DiscreteFrechetDistanceTest.cpp b/tests/unit/algorithm/distance/DiscreteFrechetDistanceTest.cpp
index 7ffbe62a0..11fb67aec 100644
--- a/tests/unit/algorithm/distance/DiscreteFrechetDistanceTest.cpp
+++ b/tests/unit/algorithm/distance/DiscreteFrechetDistanceTest.cpp
@@ -160,7 +160,7 @@ void object::test<4>
     runTest("LINESTRING (0 0, 100 0)", "LINESTRING (0 0, 50 50, 100 0)", 0.5, 50.0);
 }
 
-// 5 - test Line Segments revealing distance intialization bug
+// 5 - test Line Segments revealing distance initialization bug
 template<>
 template<>
 void object::test<5>
diff --git a/tests/unit/capi/GEOSGeom_createRectangleTest.cpp b/tests/unit/capi/GEOSGeom_createRectangleTest.cpp
index f31b4c647..95be7a936 100644
--- a/tests/unit/capi/GEOSGeom_createRectangleTest.cpp
+++ b/tests/unit/capi/GEOSGeom_createRectangleTest.cpp
@@ -45,7 +45,7 @@ void object::test<2>() {
     GEOSGeom_destroy(geom);
 }
 
-// verify that a rectange is returned if either but not both width and height are 0
+// verify that a rectangle is returned if either but not both width and height are 0
 template <>
 template <>
 void object::test<3>() {
diff --git a/tests/unit/geom/CoordinateSequenceTest.cpp b/tests/unit/geom/CoordinateSequenceTest.cpp
index 579bba868..4786c20c8 100644
--- a/tests/unit/geom/CoordinateSequenceTest.cpp
+++ b/tests/unit/geom/CoordinateSequenceTest.cpp
@@ -83,7 +83,7 @@ void object::test<1>
     ensure(!sequence.hasM());
 }
 
-// Test of overriden constructor
+// Test of overridden constructor
 template<>
 template<>
 void object::test<2>
@@ -98,7 +98,7 @@ void object::test<2>
 
     ensure("string rep", sequence.toString() != std::string("()"));
 
-    ensure("Every coodinate in the default sequence should be same.", sequence.hasRepeatedPoints());
+    ensure("Every coordinate in the default sequence should be same.", sequence.hasRepeatedPoints());
 
     ensure_equals("default/empty coordinates now 2D", sequence.getDimension(), 2u);
     ensure("no Z", !sequence.hasZ());
@@ -601,7 +601,7 @@ void object::test<16>
 
     ensure_equals(sequence.size(), std::size_t(3));
 
-    sequence.add(0, Coordinate(4, 4), false); // don't alow repeated
+    sequence.add(0, Coordinate(4, 4), false); // don't allow repeated
     ensure_equals(sequence.size(), std::size_t(4));
     ensure_equals(sequence.getAt(0).x, 4.0);
 
diff --git a/tests/unit/tut/tut.hpp b/tests/unit/tut/tut.hpp
index 059dff798..01bb978fc 100644
--- a/tests/unit/tut/tut.hpp
+++ b/tests/unit/tut/tut.hpp
@@ -226,7 +226,7 @@ class test_group : public group_base, public test_group_posix
          * Specially treats exceptions in test object destructor;
          * if test itself failed, exceptions in destructor
          * are ignored; if test was successful and destructor failed,
-         * warning exception throwed.
+         * warning exception thrown.
          */
         void release()
         {
@@ -384,7 +384,7 @@ public:
             return false;
         }
 
-        // withing scope; check if given test exists
+        // within scope; check if given test exists
         tests_iterator ti = tests_.find(n);
         if (ti == tests_.end())
         {
diff --git a/tests/unit/tut/tut_exception.hpp b/tests/unit/tut/tut_exception.hpp
index 2073fb468..8bb4ccba8 100644
--- a/tests/unit/tut/tut_exception.hpp
+++ b/tests/unit/tut/tut_exception.hpp
@@ -83,7 +83,7 @@ struct no_such_test : public tut_error
 };
 
 /**
- * Internal exception to be throwed when
+ * Internal exception to be thrown when
  * test constructor has failed.
  */
 struct bad_ctor : public tut_error
@@ -109,7 +109,7 @@ struct bad_ctor : public tut_error
 };
 
 /**
- * Exception to be throwed when ensure() fails or fail() called.
+ * Exception to be thrown when ensure() fails or fail() called.
  */
 struct failure : public tut_error
 {
@@ -134,7 +134,7 @@ struct failure : public tut_error
 };
 
 /**
- * Exception to be throwed when test desctructor throwed an exception.
+ * Exception to be thrown when test destructor thrown an exception.
  */
 struct warning : public tut_error
 {
@@ -159,7 +159,7 @@ struct warning : public tut_error
 };
 
 /**
- * Exception to be throwed when test issued SEH (Win32)
+ * Exception to be thrown when test issued SEH (Win32)
  */
 struct seh : public tut_error
 {
@@ -184,7 +184,7 @@ struct seh : public tut_error
 };
 
 /**
- * Exception to be throwed when child processes fail.
+ * Exception to be thrown when child processes fail.
  */
 struct rethrown : public failure
 {
diff --git a/tests/unit/tut/tut_result.hpp b/tests/unit/tut/tut_result.hpp
index 9d1eb1c54..ce618ef32 100644
--- a/tests/unit/tut/tut_result.hpp
+++ b/tests/unit/tut/tut_result.hpp
@@ -66,7 +66,7 @@ struct test_result_posix
 #endif
 
 /**
- * Return type of runned test/test group.
+ * Return type of ran test/test group.
  *
  * For test: contains result of test and, possible, message
  * for failure or exception.
@@ -95,8 +95,8 @@ struct test_result : public test_result_posix
     {
         ok,       ///< test finished successfully
         fail,     ///< test failed with ensure() or fail() methods
-        ex,       ///< test throwed an exceptions
-        warn,     ///< test finished successfully, but test destructor throwed
+        ex,       ///< test threw an exceptions
+        warn,     ///< test finished successfully, but test destructor thrown
         term,     ///< test forced test application to terminate abnormally
         ex_ctor,  ///<
         rethrown, ///<
diff --git a/tests/xmltester/XMLTester.cpp b/tests/xmltester/XMLTester.cpp
index 5013e8bf9..165fa199b 100644
--- a/tests/xmltester/XMLTester.cpp
+++ b/tests/xmltester/XMLTester.cpp
@@ -436,7 +436,7 @@ XMLTester::run(const std::string& source)
     const tinyxml2::XMLNode* node = xml.FirstChildElement("run");
 
     if(! node) {
-        throw(runtime_error("Document has no childs"));
+        throw(runtime_error("Document has no children"));
     }
 
     parseRun(node);
@@ -1531,7 +1531,7 @@ XMLTester::parseTest(const tinyxml2::XMLNode* node)
             }
         }
 
-        // equalsTopo() is synomym for equals() in JTS
+        // equalsTopo() is synonym for equals() in JTS
         else if(opName == "equalstopo") {
             geom::Geometry* g1 = opArg1 == "B" ? gB : gA;
             geom::Geometry* g2 = opArg2 == "B" ? gB : gA;
@@ -2253,7 +2253,7 @@ XMLTester::parseTest(const tinyxml2::XMLNode* node)
         }
     }
     catch(...) {
-        std::cerr << "Unknown EXEPTION on case "
+        std::cerr << "Unknown EXCEPTION on case "
                   << caseCount
                   << std::endl;
         actual_result = "Unknown exception thrown";
diff --git a/tests/xmltester/tests/misc/InvalidRelates.xml b/tests/xmltester/tests/misc/InvalidRelates.xml
index 5fc48ec06..d1c2b7125 100644
--- a/tests/xmltester/tests/misc/InvalidRelates.xml
+++ b/tests/xmltester/tests/misc/InvalidRelates.xml
@@ -72,7 +72,7 @@
 
   <case>
     <desc>
-      P/A-3-4: a point on the touching point of boudary [dim(0){A.P.Int = B.A.Bdy.TP}
+      P/A-3-4: a point on the touching point of boundary [dim(0){A.P.Int = B.A.Bdy.TP}
     </desc>
     <a>
       POINT(100 150)
diff --git a/tests/xmltester/tests/validate/TestRelatePA.xml b/tests/xmltester/tests/validate/TestRelatePA.xml
index 643e76603..09f0d8f31 100644
--- a/tests/xmltester/tests/validate/TestRelatePA.xml
+++ b/tests/xmltester/tests/validate/TestRelatePA.xml
@@ -146,7 +146,7 @@
 </case>
 
 <case>
-<desc>P/A-3-2: a point on the boudary of a polygon at a non-vertex [dim(0){A.P.Int = B.A.Bdy.NV}]</desc>
+<desc>P/A-3-2: a point on the boundary of a polygon at a non-vertex [dim(0){A.P.Int = B.A.Bdy.NV}]</desc>
   <a>
     POINT(110 120)
   </a>
diff --git a/tests/xmltester/tinyxml2/tinyxml2.cpp b/tests/xmltester/tinyxml2/tinyxml2.cpp
index f194acc56..c5a8d9bb1 100755
--- a/tests/xmltester/tinyxml2/tinyxml2.cpp
+++ b/tests/xmltester/tinyxml2/tinyxml2.cpp
@@ -1038,7 +1038,7 @@ char* XMLNode::ParseDeep( char* p, StrPair* parentEndTag, int* curLineNumPtr )
             //
             // Optimized due to a security test case. If the first node is
             // a declaration, and the last node is a declaration, then only
-            // declarations have so far been addded.
+            // declarations have so far been added.
             bool wellLocated = false;
 
             if (ToDocument()) {
diff --git a/util/geosop/GeometryOp.cpp b/util/geosop/GeometryOp.cpp
index 37085bf29..22909ba9b 100644
--- a/util/geosop/GeometryOp.cpp
+++ b/util/geosop/GeometryOp.cpp
@@ -1145,7 +1145,7 @@ Result::metadata() {
     case typeGeomList:
         return "Geometry[" + std::to_string( valGeomList.size()) + "]";
     }
-    return "Unknonwn type";
+    return "Unknown type";
 }
 
 std::string
diff --git a/web/content/project/rfcs/rfc01.md b/web/content/project/rfcs/rfc01.md
index e94b437bf..da5904f9d 100644
--- a/web/content/project/rfcs/rfc01.md
+++ b/web/content/project/rfcs/rfc01.md
@@ -98,7 +98,7 @@ PSC members are expected to be active on both the [geos-devel](http://lists.osge
 
 **Note:** The following is for historical interest only. The current PSC is available [here]({{< ref "/project/psc" >}}).
 
-Prior to annointing itself the PSC must distribute this RFC to the GEOS community via [geos-devel](http://lists.osgeo.org/mailman/listinfo/geos-devel) for comment. Any and all substantive comments must be discussed (and hopefully, but not necessarily, addressed via [geos-devel](http://lists.osgeo.org/mailman/listinfo/geos-devel).
+Prior to announcing itself, the PSC must distribute this RFC to the GEOS community via [geos-devel](http://lists.osgeo.org/mailman/listinfo/geos-devel) for comment. Any and all substantive comments must be discussed (and hopefully, but not necessarily, addressed via [geos-devel](http://lists.osgeo.org/mailman/listinfo/geos-devel).
 
 Initial members are:
 
diff --git a/web/content/project/rfcs/rfc06.md b/web/content/project/rfcs/rfc06.md
index e2558b7f7..63c570f0b 100644
--- a/web/content/project/rfcs/rfc06.md
+++ b/web/content/project/rfcs/rfc06.md
@@ -56,7 +56,7 @@ This message will continue to be shown in every project that a user tries to com
 
 I propose doing this in GEOS 3.7.0.
 
-The main purpose is to discourage the use of the C++ API because we do not have the manpower to guarantee ABI or API compatiblity from minor version to minor version and thus using it in an environment where the GEOS library is shared across many software is unsupported.  We are also planning significant refactoring in GEOS 3.8 which will very likely break the C++ API.
+The main purpose is to discourage the use of the C++ API because we do not have the manpower to guarantee ABI or API compatibility from minor version to minor version and thus using it in an environment where the GEOS library is shared across many software is unsupported.  We are also planning significant refactoring in GEOS 3.8 which will very likely break the C++ API.
 
 Currently [osm2pgsql](https://github.com/openstreetmap/osm2pgsql/issues/634) and OSSIM are the only ones that used the GEOS C++ API and largely distributed in shared environment.  We want to discourage future projects that plan to be used in a shared environment from using the GEOS C++ API and to stick with the GEOS C API.
 
diff --git a/web/content/specifications/wkb.md b/web/content/specifications/wkb.md
index 4043353b5..4d03dc7a8 100644
--- a/web/content/specifications/wkb.md
+++ b/web/content/specifications/wkb.md
@@ -185,7 +185,7 @@ The "Extended WKB" variant is a superset of the standard WKB, which allows appli
 
 The presence of extra dimensions is indicated by adding flag bits to the existing `wkbType` that appears in all WKB geometries.
 
-For example, here is the structure and flagging for a 3D point -- the dimensionaly flag indicates a Z dimension, and the point member therefor has three coordinates.
+For example, here is the structure and flagging for a 3D point -- the dimensionaly flag indicates a Z dimension, and the point member therefore has three coordinates.
 
 ```
 wkbZ = 0x80000000
diff --git a/web/content/usage/faq/index.md b/web/content/usage/faq/index.md
index 9528eaa77..5481744af 100644
--- a/web/content/usage/faq/index.md
+++ b/web/content/usage/faq/index.md
@@ -22,7 +22,7 @@ so it is much easier to keep stable.
 GEOS started life as a port of JTS, so its design reflects that heritage.
 JTS is still evolving and improving, so keeping GEOS fairly close to the JTS
 design and organization makes it easier to keep porting JTS changes.
-However, there have been additions to GEOS which were not orginally in JTS
+However, there have been additions to GEOS which were not originally in JTS
 (although in some cases those were superseded by later JTS development).
 Also, GEOS is intended to provide high-performance spatial algorithms,
 which sometimes requires using different code patterns than in Java.
diff --git a/web/content/usage/install.md b/web/content/usage/install.md
index b2ccbd710..70cbea5d9 100644
--- a/web/content/usage/install.md
+++ b/web/content/usage/install.md
@@ -34,7 +34,7 @@ sudo apt-get install geos
 
 ### Debian
 
-The [Debian GIS](https://wiki.debian.org/DebianGis) project maintains [GEOS packages](https://tracker.debian.org/pkg/geos) and pushes them into the appropriate Debian respositories.
+The [Debian GIS](https://wiki.debian.org/DebianGis) project maintains [GEOS packages](https://tracker.debian.org/pkg/geos) and pushes them into the appropriate Debian repositories.
 
 ```bash
 sudo apt-get install geos

-----------------------------------------------------------------------

Summary of changes:
 NEWS.md                                                | 18 +++++++++---------
 benchmarks/capi/CMakeLists.txt                         |  2 +-
 capi/geos_c.cpp                                        |  2 +-
 capi/geos_c.h.in                                       | 10 +++++-----
 include/geos/algorithm/ConvexHull.h                    |  4 ++--
 include/geos/algorithm/HCoordinate.h                   |  2 +-
 include/geos/geom/CoordinateList.h                     |  2 +-
 include/geos/geom/CoordinateSequences.h                |  2 +-
 include/geos/geom/GeometryFactory.h                    |  4 ++--
 include/geos/geom/IntersectionMatrix.h                 |  2 +-
 include/geos/geom/PrecisionModel.h                     |  2 +-
 include/geos/geom/util/GeometryEditor.h                |  2 +-
 include/geos/geom/util/GeometryTransformer.h           |  2 +-
 include/geos/geomgraph/DirectedEdge.h                  |  4 ++--
 include/geos/geomgraph/DirectedEdgeStar.h              |  2 +-
 include/geos/index/bintree/Bintree.h                   |  2 +-
 include/geos/index/quadtree/Quadtree.h                 |  2 +-
 include/geos/io/GeoJSONReader.h                        |  4 ++--
 include/geos/io/WKBReader.h                            |  2 +-
 include/geos/linearref/LengthIndexedLine.h             |  2 +-
 include/geos/namespaces.h                              |  2 +-
 include/geos/noding/Octant.h                           |  2 +-
 include/geos/operation/overlayng/EdgeNodingBuilder.h   |  2 +-
 include/geos/operation/polygonize/BuildArea.h          |  2 +-
 include/geos/operation/polygonize/PolygonizeGraph.h    |  2 +-
 include/geos/operation/relate/EdgeEndBundle.h          |  2 +-
 include/geos/operation/sharedpaths/SharedPathsOp.h     |  8 ++++----
 include/geos/operation/union/CascadedPolygonUnion.h    |  2 +-
 .../geos/operation/valid/IndexedNestedPolygonTester.h  |  2 +-
 include/geos/planargraph/DirectedEdgeStar.h            |  2 +-
 include/geos/planargraph/Subgraph.h                    |  2 +-
 include/geos/precision/CommonBitsOp.h                  |  2 +-
 include/geos/precision/GeometryPrecisionReducer.h      |  2 +-
 include/geos/simplify/TaggedLineSegment.h              |  2 +-
 .../geos/triangulate/quadedge/QuadEdgeSubdivision.h    |  2 +-
 include/geos/vend/json.hpp                             | 14 +++++++-------
 src/algorithm/CGAlgorithmsDD.cpp                       |  2 +-
 src/algorithm/RobustDeterminant.cpp                    |  2 +-
 src/geom/CoordinateSequence.cpp                        |  2 +-
 src/operation/buffer/BufferBuilder.cpp                 |  2 +-
 src/operation/buffer/BufferCurveSetBuilder.cpp         |  2 +-
 src/operation/buffer/BufferSubgraph.cpp                |  2 +-
 src/operation/buffer/OffsetCurve.cpp                   |  6 +++---
 src/operation/buffer/SubgraphDepthLocater.cpp          |  2 +-
 src/operation/linemerge/LineSequencer.cpp              |  2 +-
 src/operation/overlayng/OverlayGraph.cpp               |  2 +-
 src/operation/polygonize/BuildArea.cpp                 |  2 +-
 src/operation/sharedpaths/SharedPathsOp.cpp            |  2 +-
 src/simplify/LinkedLine.cpp                            |  2 +-
 tests/README.md                                        |  2 +-
 .../algorithm/distance/DiscreteFrechetDistanceTest.cpp |  2 +-
 tests/unit/capi/GEOSGeom_createRectangleTest.cpp       |  2 +-
 tests/unit/geom/CoordinateSequenceTest.cpp             |  6 +++---
 tests/unit/tut/tut.hpp                                 |  4 ++--
 tests/unit/tut/tut_exception.hpp                       | 10 +++++-----
 tests/unit/tut/tut_result.hpp                          |  6 +++---
 tests/xmltester/XMLTester.cpp                          |  6 +++---
 tests/xmltester/tests/misc/InvalidRelates.xml          |  2 +-
 tests/xmltester/tests/validate/TestRelatePA.xml        |  2 +-
 tests/xmltester/tinyxml2/tinyxml2.cpp                  |  2 +-
 util/geosop/GeometryOp.cpp                             |  2 +-
 web/content/project/rfcs/rfc01.md                      |  2 +-
 web/content/project/rfcs/rfc06.md                      |  2 +-
 web/content/specifications/wkb.md                      |  2 +-
 web/content/usage/faq/index.md                         |  2 +-
 web/content/usage/install.md                           |  2 +-
 66 files changed, 104 insertions(+), 104 deletions(-)


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