0031939: Coding - correction of spelling errors in comments

Fix various typos

Fixed via `codespell v2.0.dev`

src/Adaptor2d/Adaptor2d_Curve2d.hxx

@@ -74,7 +74,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const;
   

src/Adaptor2d/Adaptor2d_Line2d.hxx

@@ -75,7 +75,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/Adaptor2d/Adaptor2d_OffsetCurve.hxx

@@ -93,7 +93,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/Adaptor3d/Adaptor3d_Curve.hxx

@@ -76,7 +76,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const;
   

src/Adaptor3d/Adaptor3d_CurveOnSurface.hxx

@@ -100,7 +100,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/Adaptor3d/Adaptor3d_HCurve.hxx

@@ -80,7 +80,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
     void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const;
   

src/Adaptor3d/Adaptor3d_InterFunc.hxx

@@ -31,7 +31,7 @@ class Standard_ConstructionError;
 
 //! Used to find the points U(t) = U0 or V(t) = V0 in
 //! order to determine the  Cn discontinuities of  an
-//! Adpator_CurveOnSurface  relativly  to    the
+//! Adpator_CurveOnSurface  relatively  to    the
 //! discontinuities of the surface. Used to
 //! find the roots of the functions
 class Adaptor3d_InterFunc  : public math_FunctionWithDerivative

src/Adaptor3d/Adaptor3d_IsoCurve.hxx

@@ -102,7 +102,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/AdvApp2Var/AdvApp2Var_ApproxAFunc2Var.hxx

@@ -146,7 +146,7 @@ public:
   
   Standard_EXPORT Standard_Real CritError (const Standard_Integer Dimension, const Standard_Integer Index) const;
   
-  //! Prints on the stream o informations on the current state
+  //! Prints on the stream 'o' information on the current state
   //! of the object.
   Standard_EXPORT void Dump (Standard_OStream& o) const;
 

src/AdvApp2Var/AdvApp2Var_MathBase.cxx

@@ -2705,7 +2705,7 @@ int AdvApp2Var_MathBase::mmcvctx_(integer *ndimen,
 /*        it is preferable to call a routine based on */
 /*        Lagrange or Hermite interpolation depending on the case. */
 /*        (for a high degree the matrix of the system can be badly */
-/*        conditionned). */
+/*        conditioned). */
 /*        This routine returns a curve defined in (-1,1). */
 /*        In general case, it is necessary to use MCVCTG. */
 /* > */

src/AdvApp2Var/AdvApp2Var_SysBase.cxx

@@ -1483,7 +1483,7 @@ int mamdlng_(char *,//cmdlng,
 
 /*     FUNCTION : */
 /*     ---------- */
-/*        CONTAINS INFORMATIONS ABOUT THE COMPOSITION OF */
+/*        CONTAINS INFORMATION ABOUT THE COMPOSITION OF */
 /*        THE EXECUTABLE AND ITS ENVIRONMENT : */
 /*        - LANGUAGES */
 /*        - PRESENT APPLICATIONS */
@@ -1700,15 +1700,15 @@ int maoverf_(integer *nbentr,
 /*    NLONGR*8    specific COMMON not by a routine as */
 /*                the initialisation is done by DATA. */
 
-/*                * If NBENTR<NLONGR, a part of the buffer is transfered*/
+/*                * If NBENTR<NLONGR, a part of the buffer is transferred*/
 /*     DTABLE     in DTABLE. */
 /*   __________ */
-/*  !  amorce  !  * Otherwise, the entire buffer is transfered in DTABLE. */
+/*  !  amorce  !  * Otherwise, the entire buffer is transferred in DTABLE. */
 /*  !__________!  This initiates it. Then a loop is execute, which at each  
 */
 /*  !  temps 1 !  iteration transfers the part of the already initialized table */
 /*  !__________!  in the one that was not yet initialized. */
-/*  !          !  The size of the zone transfered by each call to MCRFILL 
+/*  !          !  The size of the zone transferred by each call to MCRFILL 
 */
 /*  !  temps 2 !  is NLONGR*2**(numero_de_l'iteration). When  
 */

src/AppDef/AppDef_BSplineCompute.hxx

@@ -118,7 +118,7 @@ public:
   Standard_EXPORT void SetConstraints (const AppParCurves_Constraint firstC, const AppParCurves_Constraint lastC);
   
   //! Sets periodic flag.
-  //! If thePeriodic = Standard_True, algorith tries to build periodic
+  //! If thePeriodic = Standard_True, algorithm tries to build periodic
   //! multicurve using corresponding C1 boundary condition for first and last multipoints.
   //! Multiline must be closed.
   Standard_EXPORT void SetPeriodic(const Standard_Boolean thePeriodic);

src/AppDef/AppDef_Variational.cxx

@@ -1327,7 +1327,7 @@ void AppDef_Variational::TheMotor(
 
     while(ToOptim) {
       Iter++;
-      //     (2.1) Save curent results
+      //     (2.1) Save current results
       VOCRI[0] = VALCRI[0];
       VOCRI[1] = VALCRI[1];
       VOCRI[2] = VALCRI[2];

src/Approx/Approx_Curve3d.hxx

@@ -34,13 +34,13 @@ public:
 
   
   //! Approximation  of  a  curve  with respect of the
-  //! requiered tolerance Tol3D.
+  //! required tolerance Tol3D.
   Standard_EXPORT Approx_Curve3d(const Handle(Adaptor3d_HCurve)& Curve, const Standard_Real Tol3d, const GeomAbs_Shape Order, const Standard_Integer MaxSegments, const Standard_Integer MaxDegree);
   
   Standard_EXPORT Handle(Geom_BSplineCurve) Curve() const;
   
   //! returns  Standard_True  if  the  approximation  has
-  //! been  done  within  requiered tolerance
+  //! been  done  within  required tolerance
   Standard_EXPORT Standard_Boolean IsDone() const;
   
   //! returns  Standard_True if the approximation did come out

src/Approx/Approx_CurveOnSurface.hxx

@@ -68,7 +68,7 @@ public:
   
   Standard_EXPORT Standard_Real MaxError2dU() const;
   
-  //! returns the maximum errors relativly to the  U component or the V component of the
+  //! returns the maximum errors relatively to the  U component or the V component of the
   //! 2d Curve
   Standard_EXPORT Standard_Real MaxError2dV() const;
 

src/Approx/Approx_CurvlinFunc.hxx

@@ -67,7 +67,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const;
   
@@ -82,12 +82,12 @@ public:
   
   Standard_EXPORT Standard_Real GetLength() const;
   
-  //! returns  original parameter correponding S.  if
+  //! returns  original parameter corresponding S.  if
   //! Case == 1 computation is performed on myC2D1 and mySurf1,
   //! otherwise it is done on myC2D2 and mySurf2.
   Standard_EXPORT Standard_Real GetUParameter (Adaptor3d_Curve& C, const Standard_Real S, const Standard_Integer NumberOfCurve) const;
   
-  //! returns original parameter correponding S.
+  //! returns original parameter corresponding S.
   Standard_EXPORT Standard_Real GetSParameter (const Standard_Real U) const;
   
   //! if myCase != 1
@@ -116,7 +116,7 @@ private:
   
   Standard_EXPORT void Init (Adaptor3d_Curve& C, Handle(TColStd_HArray1OfReal)& Si, Handle(TColStd_HArray1OfReal)& Ui) const;
   
-  //! returns curvilinear parameter correponding U.
+  //! returns curvilinear parameter corresponding U.
   Standard_EXPORT Standard_Real GetSParameter (Adaptor3d_Curve& C, const Standard_Real U, const Standard_Real Length) const;
   
   Standard_EXPORT Standard_Boolean EvalCurOnSur (const Standard_Real S, const Standard_Integer Order, TColStd_Array1OfReal& Result, const Standard_Integer NumberOfCurve) const;

src/Approx/Approx_SweepApproximation.hxx

@@ -76,11 +76,11 @@ public:
   //! tolerance given by the resolution on support surfaces,
   //! but if this tolerance is too large Tol2d is used.
   //! TolAngular : Tolerance (in radian) to control the angle
-  //! beetween tangents on the section law and
+  //! between tangents on the section law and
-  //! tangent of iso-v on approximed surface
+  //! tangent of iso-v on approximated surface
   //! Continuity : The continuity in v waiting on the surface
-  //! Degmax     : The maximum degree in v requiered on the surface
+  //! Degmax     : The maximum degree in v required on the surface
-  //! Segmax     : The maximum number of span in v requiered on
+  //! Segmax     : The maximum number of span in v required on
   //! the surface
   //! Warning : The continuity ci can be obtained only if Ft is Ci
   Standard_EXPORT void Perform (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol3d, const Standard_Real BoundTol, const Standard_Real Tol2d, const Standard_Real TolAngular, const GeomAbs_Shape Continuity = GeomAbs_C0, const Standard_Integer Degmax = 11, const Standard_Integer Segmax = 50);

src/Approx/Approx_SweepFunction.hxx

@@ -83,7 +83,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const = 0;
   

src/BOPAlgo/BOPAlgo_BuilderShape.hxx

@@ -158,7 +158,7 @@ protected: //! @name Fields
   TopoDS_Shape myShape; //!< Result of the operation
 
   TopTools_ListOfShape myHistShapes;   //!< Storer for the history shapes
-  TopTools_MapOfShape myMapShape;      //!< Cashed map of all arguments shapes
+  TopTools_MapOfShape myMapShape;      //!< cached map of all arguments shapes
 
   Standard_Boolean myFillHistory;      //!< Controls the history filling
   Handle(BRepTools_History) myHistory; //!< History tool

src/BOPAlgo/BOPAlgo_Tools.hxx

@@ -192,7 +192,7 @@ public:
   //! @param theSolids  - The solids to put internals to
   //! @param theParts   - The parts to classify relatively solids
   //! @param theImages  - Possible images of the parts that has to be classified
-  //! @param theContext - Cashed geometrical tools to speed-up classifications
+  //! @param theContext - cached geometrical tools to speed-up classifications
   Standard_EXPORT static void FillInternals(const TopTools_ListOfShape& theSolids,
                                             const TopTools_ListOfShape& theParts,
                                             const TopTools_DataMapOfShapeListOfShape& theImages,

src/BOPTools/BOPTools_AlgoTools.hxx

@@ -323,7 +323,7 @@ public: //! @name Choosing correct orientation for the split shape
   //!
   //! @param theSplit [in] Split shape
   //! @param theShape [in] Original shape
-  //! @param theContext [in] Cashed geometrical tools
+  //! @param theContext [in] cached geometrical tools
   //! @param theError [out] Error Status of the operation
   Standard_EXPORT static Standard_Boolean IsSplitToReverse(const TopoDS_Shape& theSplit,
                                                            const TopoDS_Shape& theShape,
@@ -356,7 +356,7 @@ public: //! @name Choosing correct orientation for the split shape
   //!
   //! @param theSplit [in] Split face
   //! @param theShape [in] Original face
-  //! @param theContext [in] Cashed geometrical tools
+  //! @param theContext [in] cached geometrical tools
   //! @param theError [out] Error Status of the operation
   Standard_EXPORT static Standard_Boolean IsSplitToReverse(const TopoDS_Face& theSplit,
                                                            const TopoDS_Face& theShape,
@@ -381,7 +381,7 @@ public: //! @name Choosing correct orientation for the split shape
   //!
   //! @param theSplit [in] Split edge
   //! @param theShape [in] Original edge
-  //! @param theContext [in] Cashed geometrical tools
+  //! @param theContext [in] cached geometrical tools
   //! @param theError [out] Error Status of the operation
   Standard_EXPORT static Standard_Boolean IsSplitToReverse(const TopoDS_Edge& theSplit,
                                                            const TopoDS_Edge& theShape,

src/BRep/BRep_Curve3D.cxx

@@ -44,7 +44,7 @@ BRep_Curve3D::BRep_Curve3D(const Handle(Geom_Curve)& C,
 
 void BRep_Curve3D::D0(const Standard_Real U, gp_Pnt& P) const
 {
-  // shoud be D0 NYI
+  // should be D0 NYI
   P = myCurve->Value(U);
 }
 

src/BRep/BRep_CurveOnSurface.cxx

@@ -48,7 +48,7 @@ BRep_CurveOnSurface::BRep_CurveOnSurface(const Handle(Geom2d_Curve)& PC,
 
 void BRep_CurveOnSurface::D0(const Standard_Real U, gp_Pnt& P) const
 {
-  // shoud be D0 NYI
+  // should be D0 NYI
   gp_Pnt2d P2d = myPCurve->Value(U);
   P = mySurface->Value(P2d.X(),P2d.Y());
   P.Transform(myLocation.Transformation());

src/BRepAdaptor/BRepAdaptor_CompCurve.hxx

@@ -101,7 +101,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BRepAdaptor/BRepAdaptor_Curve.hxx

@@ -137,7 +137,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BRepAlgo/BRepAlgo_NormalProjection.hxx

@@ -56,7 +56,7 @@ public:
   Standard_EXPORT void Add (const TopoDS_Shape& ToProj);
   
   //! Set the parameters  used  for computation
-  //! Tol3d is the requiered  tolerance between the  3d projected
+  //! Tol3d is the required  tolerance between the  3d projected
   //! curve  and its 2d representation
   //! InternalContinuity  is the order of constraints
   //! used for  approximation.

src/BRepApprox/BRepApprox_TheComputeLineOfApprox.hxx

@@ -118,7 +118,7 @@ public:
   Standard_EXPORT void SetConstraints (const AppParCurves_Constraint firstC, const AppParCurves_Constraint lastC);
   
   //! Sets periodic flag.
-  //! If thePeriodic = Standard_True, algorith tries to build periodic
+  //! If thePeriodic = Standard_True, algorithm tries to build periodic
   //! multicurve using corresponding C1 boundary condition for first and last multipoints.
   //! Multiline must be closed.
   Standard_EXPORT void SetPeriodic(const Standard_Boolean thePeriodic);

src/BRepBlend/BRepBlend_AppFuncRoot.hxx

@@ -85,7 +85,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   
@@ -113,17 +113,17 @@ public:
   
   //! Get    the   barycentre of   Surface.   An   very  poor
   //! estimation is sufficent. This information is usefull
-  //! to perform well conditionned rational approximation.
+  //! to perform well conditioned rational approximation.
   Standard_EXPORT virtual gp_Pnt BarycentreOfSurf() const Standard_OVERRIDE;
   
   //! Returns the   length of the maximum section. This
-  //! information is usefull to perform well conditionned rational
+  //! information is usefull to perform well conditioned rational
   //! approximation.
   Standard_EXPORT virtual Standard_Real MaximalSection() const Standard_OVERRIDE;
   
   //! Compute the minimal value of weight for each poles
   //! of all  sections.  This information is  usefull to
-  //! perform well conditionned rational approximation.
+  //! perform well conditioned rational approximation.
   Standard_EXPORT virtual void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE;
   
   Standard_EXPORT virtual void Point (const Blend_AppFunction& Func, const Standard_Real Param, const math_Vector& Sol, Blend_Point& Pnt) const = 0;

src/BRepBlend/BRepBlend_HCurve2dTool.hxx

@@ -65,7 +65,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
     static void Intervals (const Handle(Adaptor2d_HCurve2d)& C, TColStd_Array1OfReal& T, const GeomAbs_Shape S);
   

src/BRepBlend/BRepBlend_HCurveTool.hxx

@@ -65,7 +65,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
     static void Intervals (const Handle(Adaptor3d_HCurve)& C, TColStd_Array1OfReal& T, const GeomAbs_Shape S);
   

src/BRepBlend/BRepBlend_PointOnRst.hxx

@@ -30,9 +30,9 @@ class IntSurf_Transition;
 
 //! Definition of an intersection point between a line
 //! and a restriction on a surface.
-//! Such a point is contains geometrical informations (see
+//! Such a point is contains geometrical information (see
-//! the Value method) and logical informations.
+//! the Value method) and logical information.
-class BRepBlend_PointOnRst 
+class BRepBlend_PointOnRst
 {
 public:
 

src/BRepBlend/BRepBlend_RstRstConstRad.hxx

@@ -104,8 +104,8 @@ public:
   
   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
   
   Standard_EXPORT const gp_Pnt& PointOnRst1() const Standard_OVERRIDE;
@@ -167,7 +167,7 @@ public:
   
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BRepBlend/BRepBlend_RstRstEvolRad.hxx

@@ -105,8 +105,8 @@ public:
   
   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
   
   Standard_EXPORT const gp_Pnt& PointOnRst1() const Standard_OVERRIDE;
@@ -168,7 +168,7 @@ public:
   
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BRepBlend/BRepBlend_SurfRstConstRad.hxx

@@ -103,8 +103,8 @@ public:
   
   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
   
   Standard_EXPORT const gp_Pnt& PointOnS() const Standard_OVERRIDE;
@@ -161,7 +161,7 @@ public:
   
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BRepBlend/BRepBlend_SurfRstEvolRad.hxx

@@ -104,8 +104,8 @@ public:
   
   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
   
   Standard_EXPORT const gp_Pnt& PointOnS() const Standard_OVERRIDE;
@@ -160,7 +160,7 @@ public:
   
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BRepBndLib/BRepBndLib.hxx

@@ -70,7 +70,7 @@ public:
   Standard_EXPORT static void AddClose (const TopoDS_Shape& S, Bnd_Box& B);
 
   //! Adds the shape S to the bounding box B.
-  //! This algorith builds precise bounding box,
+  //! This algorithm builds precise bounding box,
   //! which differs from exact geometry boundaries of shape only on shape entities tolerances
   //! Algorithm is the same as for method Add(..), but uses more precise methods for building boxes 
   //! for geometry objects.

src/BRepBuilderAPI/BRepBuilderAPI_Sewing.cxx

@@ -1063,7 +1063,7 @@ void BRepBuilderAPI_Sewing::EvaluateAngulars(TopTools_SequenceOfShape& sequenceS
 //=======================================================================
 // function : EvaluateDistances
 // purpose  : internal use
-// Evaluate distance beetween edges with indice indRef and the following edges in the list
+// Evaluate distance between edges with indice indRef and the following edges in the list
 // Remarks (lengSec - indRef) must be >= 1 
 //=======================================================================
 void BRepBuilderAPI_Sewing::EvaluateDistances(TopTools_SequenceOfShape& sequenceSec,
@@ -1397,7 +1397,7 @@ void BRepBuilderAPI_Sewing::AnalysisNearestEdges(const TopTools_SequenceOfShape&
         isRemove = Standard_True;
       }
     }
-    if(!isRemove) i++;  
+    if(!isRemove) i++;
   }
   if(seqIndCandidate.Length() == 0 || seqNotCandidate.Length() == 1) return;
   if(!evalDist) return;
@@ -1405,8 +1405,8 @@ void BRepBuilderAPI_Sewing::AnalysisNearestEdges(const TopTools_SequenceOfShape&
   TColStd_MapOfInteger MapIndex;
   TColStd_SequenceOfInteger seqForward;
 
-  // Definition and removing edges wich are not candidate for work edge 
+  // Definition and removing edges which are not candidate for work edge
-  // ( they have other nearest edges belonging to the work face) 
+  // (they have other nearest edges belonging to the work face)
   for(Standard_Integer k = 1; k<= seqNotCandidate.Length(); k++) {
     Standard_Integer index1 = seqNotCandidate.Value(k);
     TopoDS_Shape edge = sequenceSec.Value(index1);
@@ -1932,7 +1932,7 @@ void BRepBuilderAPI_Sewing::Perform(const Message_ProgressRange& theProgress)
 #endif
     }
 
-    // create edge informations for output
+    // create edge information for output
     CreateOutputInformations();
     if (!aPS.More())
     {
@@ -2201,7 +2201,7 @@ void BRepBuilderAPI_Sewing::Dump() const
     }
   }
   std::cout << " " << std::endl;
-  std::cout << "                        Informations                        " << std::endl;
+  std::cout << "                        Information                         " << std::endl;
   std::cout << " ===========================================================" << std::endl;
   std::cout << " " << std::endl;
   std::cout << " Number of input shapes      : " << myOldShapes.Extent() << std::endl;

src/BRepBuilderAPI/BRepBuilderAPI_Sewing.hxx

@@ -171,7 +171,7 @@ public:
   //! Gives a modifieded subshape
   Standard_EXPORT TopoDS_Shape ModifiedSubShape (const TopoDS_Shape& shape) const;
   
-  //! print the informations
+  //! print the information
   Standard_EXPORT void Dump() const;
   
   //! Gives the number of deleted faces (faces smallest than tolerance)

src/BRepCheck/BRepCheck_Face.cxx

@@ -216,7 +216,7 @@ BRepCheck_Status BRepCheck_Face::IntersectWires(const Standard_Boolean Update)
     {
       const TopoDS_Edge& anEdge = TopoDS::Edge (exp2.Current());
       aC.Load (BRep_Tool::CurveOnSurface (anEdge, TopoDS::Face (myShape), aFirst, aLast));
-      // To avoid exeption in Segment if C1 is BSpline
+      // To avoid exception in Segment if C1 is BSpline
       if (aC.FirstParameter() > aFirst)
       {
         aFirst = aC.FirstParameter();
@@ -602,7 +602,7 @@ static Standard_Boolean Intersect(const TopoDS_Wire& wir1,
       const TopoDS_Edge& edg1 = TopoDS::Edge(exp1.Current());
       //    cur1.Initialize(edg1,F);
       C1.Load( BRep_Tool::CurveOnSurface(edg1,F,first1,last1) );
-      // To avoid exeption in Segment if C1 is BSpline - IFV
+      // To avoid exception in Segment if C1 is BSpline - IFV
       if(C1.FirstParameter() > first1) first1 = C1.FirstParameter();
       if(C1.LastParameter()  < last1 ) last1  = C1.LastParameter();
 
@@ -622,7 +622,7 @@ static Standard_Boolean Intersect(const TopoDS_Wire& wir1,
 	    {
 	      //cur2.Initialize(edg2,F);
 	      C2.Load( BRep_Tool::CurveOnSurface(edg2,F,first2,last2) );
-	      // To avoid exeption in Segment if C2 is BSpline - IFV
+	      // To avoid exception in Segment if C2 is BSpline - IFV
 	      if(C2.FirstParameter() > first2) first2 = C2.FirstParameter();
 	      if(C2.LastParameter()  < last2 ) last2  = C2.LastParameter();
 

src/BRepCheck/BRepCheck_Wire.cxx

@@ -999,7 +999,7 @@ BRepCheck_Status BRepCheck_Wire::SelfIntersect(const TopoDS_Face& F,
       }
       //
       C1.Load(pcu);
-      // To avoid exeption in Segment if C1 is BSpline - IFV
+      // To avoid exception in Segment if C1 is BSpline - IFV
       if(!C1.IsPeriodic()) {
 	if(C1.FirstParameter() > first1) {
 	  first1 = C1.FirstParameter();
@@ -1088,7 +1088,7 @@ BRepCheck_Status BRepCheck_Wire::SelfIntersect(const TopoDS_Face& F,
 	tabCur(j) = BRep_Tool::CurveOnSurface(E2,F,first2,last2);
 	if (!tabCur(j).IsNull() && last2 > first2) {
 	  C2.Load(tabCur(j));
-	  // To avoid exeption in Segment if C2 is BSpline - IFV
+	  // To avoid exception in Segment if C2 is BSpline - IFV
 	  if(!C2.IsPeriodic()) {
 	    if(C2.FirstParameter() > first2) {
 	      first2 = C2.FirstParameter();

src/BRepClass3d/BRepClass3d_SolidExplorer.cxx

@@ -14,7 +14,7 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-// Modifed:     Porting NT 7-5-97 DPF (stdio.h)
+// Modified:     Porting NT 7-5-97 DPF (stdio.h)
 //              Apr 16 2002 eap, classification against infinite solid (occ299)
 
 

src/BRepFeat/BRepFeat_MakeRevolutionForm.cxx

@@ -1245,7 +1245,7 @@ void BRepFeat_MakeRevolutionForm::Perform()
 
 //=======================================================================
 //function : Propagate
-//purpose  : propagation on the faces of the inital shape, find faces 
+//purpose  : propagation on the faces of the initial shape, find faces 
 // concerned by the rib
 //=======================================================================
 

src/BRepFeat/BRepFeat_SplitShape.hxx

@@ -65,7 +65,7 @@ public:
   BRepFeat_SplitShape(const TopoDS_Shape& S);
 
   //! Add splitting edges or wires for whole initial shape
-  //! withot additional specification edge->face, edge->edge
+  //! without additional specification edge->face, edge->edge
   //! This method puts edge on the corresponding faces from initial shape
   Standard_Boolean Add(const TopTools_SequenceOfShape& theEdges);
   

src/BRepFill/BRepFill_Evolved.cxx

@@ -1618,7 +1618,7 @@ void BRepFill_Evolved::PrepareProfile(TopTools_ListOfShape&         WorkProf,
     }
 
     if (YaModif) {
-      //Status = 0 for the begining
+      //Status = 0 for the beginning
       //         3 vertical
       //         2 horizontal
       //         1 other
@@ -2824,7 +2824,7 @@ void ComputeIntervals (const TopTools_SequenceOfShape& VOnF,
   while ( IOnF <= VOnF.Length() || IOnL <= VOnL.Length()) {
     //---------------------------------------------------------
     // Return the smallest parameter on the bissectrice
-    // correponding to the current positions IOnF,IOnL.
+    // corresponding to the current positions IOnF,IOnL.
     //---------------------------------------------------------
     if ( IOnL > VOnL.Length() ||
       (IOnF <= VOnF.Length() &&

src/BRepFill/BRepFill_Filling.hxx

@@ -98,7 +98,7 @@ public:
   //! Degree:      it is the order of energy criterion to minimize for computing
   //! the deformation of the surface.
   //! The default value is 3
-  //! The recommanded value is i+2 where i is the maximum order of the
+  //! The recommended value is i+2 where i is the maximum order of the
   //! constraints.
   //! NbPtsOnCur:  it is the average number of points for discretisation
   //! of the edges.

src/BRepFill/BRepFill_LocationLaw.hxx

@@ -54,7 +54,7 @@ public:
   Standard_EXPORT GeomFill_PipeError GetStatus() const;
   
   //! Apply a linear   transformation  on each law, to  have
-  //! continuity of the global law beetween the edges.
+  //! continuity of the global law between the edges.
   Standard_EXPORT virtual void TransformInG0Law();
   
   //! Apply a linear transformation on each law, to reduce
@@ -100,7 +100,7 @@ public:
   
   Standard_EXPORT Standard_Boolean IsClosed() const;
   
-  //! Compute the Law's continuity beetween 2 edges of the path
+  //! Compute the Law's continuity between 2 edges of the path
   //! The result can be :
   //! -1 : Case Not connex
   //! 0  : It is connex (G0)

src/BRepFill/BRepFill_PipeShell.hxx

@@ -125,9 +125,9 @@ public:
   //! Possibilities are :
   //! - Give one or sevral profile
   //! - Give one profile and an homotetic law.
-  //! - Automatic compute of correspondance beetween profile, and section
+  //! - Automatic compute of correspondance between profile, and section
   //! on the sweeped shape
-  //! - correspondance beetween profile, and section on the sweeped shape
+  //! - correspondance between profile, and section on the sweeped shape
   //! defined by a vertex of the spine
   Standard_EXPORT void SetForceApproxC1 (const Standard_Boolean ForceApproxC1);
   

src/BRepFill/BRepFill_Sweep.hxx

@@ -65,8 +65,8 @@ public:
   //! tolerance given by the resolution on support surfaces,
   //! but if this tolerance is too large Tol2d is used.
   //! TolAngular : Tolerance (in radian) to control the angle
-  //! beetween tangents on the section law and
+  //! between tangents on the section law and
-  //! tangent of iso-v on approximed surface
+  //! tangent of iso-v on approximated surface
   Standard_EXPORT void SetTolerance (const Standard_Real Tol3d, const Standard_Real BoundTol = 1.0, const Standard_Real Tol2d = 1.0e-5, const Standard_Real TolAngular = 1.0e-2);
   
   //! Tolerance  To controle Corner management.
@@ -84,15 +84,15 @@ public:
   //! Transition define Transition strategy
   //! Approx define Approximation Strategy
   //! - GeomFill_Section : The composed Function Location X Section
-  //! is directly approximed.
+  //! is directly approximated.
-  //! - GeomFill_Location : The location law is approximed, and the
+  //! - GeomFill_Location : The location law is approximated, and the
   //! SweepSurface is bulid algebric composition
-  //! of approximed location law and section law
+  //! of approximated location law and section law
   //! This option is Ok, if Section.Surface() methode
   //! is effective.
   //! Continuity : The continuity in v waiting on the surface
-  //! Degmax     : The maximum degree in v requiered on the surface
+  //! Degmax     : The maximum degree in v required on the surface
-  //! Segmax     : The maximum number of span in v requiered on
+  //! Segmax     : The maximum number of span in v required on
   //! the surface.
   Standard_EXPORT void Build (TopTools_MapOfShape& ReversedEdges, BRepFill_DataMapOfShapeHArray2OfShape& Tapes, BRepFill_DataMapOfShapeHArray2OfShape& Rails, const BRepFill_TransitionStyle Transition = BRepFill_Modified, const GeomAbs_Shape Continuity = GeomAbs_C2, const GeomFill_ApproxStyle Approx = GeomFill_Location, const Standard_Integer Degmax = 11, const Standard_Integer Segmax = 30);
   

src/BRepGProp/BRepGProp_EdgeTool.hxx

@@ -75,7 +75,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT static void Intervals (const BRepAdaptor_Curve& C, TColStd_Array1OfReal& T, const GeomAbs_Shape S);
 

src/BRepLib/BRepLib.hxx

@@ -228,7 +228,7 @@ public:
   //! is done.
   Standard_EXPORT static void EncodeRegularity(const TopoDS_Shape& S, const TopTools_ListOfShape& LE, const Standard_Real TolAng = 1.0e-10);
   
-  //! Encodes the Regularity beetween <F1> and <F2> by <E>
+  //! Encodes the Regularity between <F1> and <F2> by <E>
   //! Warning: <TolAng> is an angular tolerance, expressed in Rad.
   //! Warning: If the edge's regularity is coded before, nothing
   //! is done.

src/BRepLib/BRepLib_MakePolygon.hxx

@@ -74,7 +74,7 @@ public:
   Standard_EXPORT void Add (const TopoDS_Vertex& V);
   
   //! Returns  True if  the last   vertex  or point  was
-  //! succesfully added.
+  //! successfully added.
   Standard_EXPORT Standard_Boolean Added() const;
   
   Standard_EXPORT void Close();

src/BRepMesh/BRepMesh_BaseMeshAlgo.cxx

@@ -72,7 +72,7 @@ void BRepMesh_BaseMeshAlgo::Perform(
       commitSurfaceTriangulation();
     }
   }
-  catch (Standard_Failure const& /*theExeption*/)
+  catch (Standard_Failure const& /*theException*/)
   {
   }
 

src/BRepMesh/BRepMesh_Delaun.cxx

@@ -419,7 +419,7 @@ void BRepMesh_Delaun::RemoveAuxElements ()
 
 //=======================================================================
 //function : createTriangles
-//purpose  : Creates the triangles beetween the node and the polyline.
+//purpose  : Creates the triangles between the node and the polyline.
 //=======================================================================
 void BRepMesh_Delaun::createTriangles(const Standard_Integer          theVertexIndex,  
                                       IMeshData::MapOfIntegerInteger& thePoly)

src/BRepMesh/BRepMesh_Delaun.hxx

@@ -262,7 +262,7 @@ private:
   //! Triangulation of closed polygon containing only three edges.
   Standard_Boolean meshElementaryPolygon (const IMeshData::SequenceOfInteger& thePolygon);
 
-  //! Creates the triangles beetween the given node and the given polyline.
+  //! Creates the triangles between the given node and the given polyline.
   void createTriangles (const Standard_Integer         theVertexIndex,
                         IMeshData::MapOfIntegerInteger& thePoly);
 

src/BRepMesh/BRepMesh_MeshTool.hxx

@@ -127,7 +127,7 @@ public:
   }
 
   //! Adds new link to mesh.
-  //! Updates link index and link orientaion parameters.
+  //! Updates link index and link orientation parameters.
   void AddLink(const Standard_Integer theFirstNode,
                const Standard_Integer theLastNode,
                Standard_Integer&      theLinkIndex,

src/BRepOffset/BRepOffset_MakeOffset.cxx

@@ -3708,7 +3708,7 @@ void CorrectSolid(TopoDS_Solid& theSol, TopTools_ListOfShape& theSolList)
 
 //=======================================================================
 //function : CheckInputData
-//purpose  : Check input data for possiblity of offset perform.
+//purpose  : Check input data for possibility of offset perform.
 //=======================================================================
 Standard_Boolean BRepOffset_MakeOffset::CheckInputData()
 {

src/BRepOffset/BRepOffset_Tool.cxx

@@ -782,7 +782,7 @@ void BRepOffset_Tool::PipeInter(const TopoDS_Face& F1,
 
 //=======================================================================
 //function : IsAutonomVertex
-//purpose  : Checks wether a vertex is "autonom" or not
+//purpose  : Checks whether a vertex is "autonom" or not
 //=======================================================================
 
 static Standard_Boolean IsAutonomVertex(const TopoDS_Shape& theVertex,
@@ -808,7 +808,7 @@ static Standard_Boolean IsAutonomVertex(const TopoDS_Shape& theVertex,
 
 //=======================================================================
 //function : IsAutonomVertex
-//purpose  : Checks wether a vertex is "autonom" or not
+//purpose  : Checks whether a vertex is "autonom" or not
 //=======================================================================
 
 static Standard_Boolean IsAutonomVertex(const TopoDS_Shape& aVertex,

src/BRepOffsetAPI/BRepOffsetAPI_MakeFilling.hxx

@@ -108,7 +108,7 @@ public:
   //! Degree:      it is the order of energy criterion to minimize for computing
   //! the deformation of the surface.
   //! The default value is 3
-  //! The recommanded value is i+2 where i is the maximum order of the
+  //! The recommended value is i+2 where i is the maximum order of the
   //! constraints.
   //! NbPtsOnCur:  it is the average number of points for discretisation
   //! of the edges.

src/BRepOffsetAPI/BRepOffsetAPI_MakePipeShell.hxx

@@ -84,7 +84,7 @@ public:
   Standard_EXPORT void SetMode (const gp_Ax2& Axe);
   
   //! Sets a fixed BiNormal  direction to perform the --
-  //! sweeping.   Angular   relations   beetween  the
+  //! sweeping.   Angular   relations   between  the
   //! section(s) and <BiNormal> will be constant
   Standard_EXPORT void SetMode (const gp_Dir& BiNormal);
   
@@ -118,9 +118,9 @@ public:
   //! Possibilities are :
   //! - Give one or sevral section
   //! - Give one profile and an homotetic law.
-  //! - Automatic compute of correspondance beetween spine, and section
+  //! - Automatic compute of correspondance between spine, and section
   //! on the sweeped shape
-  //! - correspondance beetween spine, and section on the sweeped shape
+  //! - correspondance between spine, and section on the sweeped shape
   //! defined by a vertex of the spine
   Standard_EXPORT void SetMode (const TopoDS_Wire& AuxiliarySpine, const Standard_Boolean CurvilinearEquivalence, const BRepFill_TypeOfContact KeepContact = BRepFill_NoContact);
   

src/BRepOffsetAPI/BRepOffsetAPI_NormalProjection.hxx

@@ -68,7 +68,7 @@ public:
   Standard_EXPORT void Add (const TopoDS_Shape& ToProj);
   
   //! Sets the parameters  used  for computation
-  //! Tol3 is the requiered  tolerance between the  3d projected
+  //! Tol3 is the required  tolerance between the  3d projected
   //! curve  and     its    2d    representation
   //! InternalContinuity  is the order of constraints
   //! used for  approximation

src/BRepPrim/BRepPrim_Revolution.hxx

@@ -31,7 +31,7 @@ class TopoDS_Edge;
 class gp_Pnt2d;
 
 
-//! Implement  the OneAxis algoritm   for a revolution
+//! Implement  the OneAxis algorithm   for a revolution
 //! surface.
 class BRepPrim_Revolution  : public BRepPrim_OneAxis
 {

src/BRepTest/BRepTest_CheckCommands.cxx

@@ -357,7 +357,7 @@ static Standard_Integer checksection(Draw_Interpretor& di,
 
 //=======================================================================
 //function : checkdiff
-//purpose  : Checks the differences beetween a result and his arguments
+//purpose  : Checks the differences between a result and his arguments
 //=======================================================================
 static Standard_Integer checkdiff(Draw_Interpretor& di,
 				  Standard_Integer narg, const char** a)
@@ -1751,7 +1751,7 @@ void BRepTest::CheckCommands(Draw_Interpretor& theCommands)
 		  g);
 
   theCommands.Add("checkdiff", 
-		  "checks the validity of the diff beetween the shapes arg1..argn and result :\n checkdiff arg1 [arg2..argn] result [closedSolid (1/0)] [geomCtrl (1/0)]",
+		  "checks the validity of the diff between the shapes arg1..argn and result :\n checkdiff arg1 [arg2..argn] result [closedSolid (1/0)] [geomCtrl (1/0)]",
 		  __FILE__,
 		  checkdiff,
 		  g);

src/BRepTest/BRepTest_FeatureCommands.cxx

@@ -358,7 +358,7 @@ static void reportOffsetState(Draw_Interpretor& theCommands,
   {
   case BRepOffset_NoError:
   {
-    theCommands << "OK. Offset performed succesfully.";
+    theCommands << "OK. Offset performed successfully.";
     break;
   }
   case BRepOffset_BadNormalsOnGeometry:

src/BRepTools/BRepTools.hxx

@@ -148,7 +148,7 @@ public:
   //! edge on the face.
   Standard_EXPORT static void UpdateFaceUVPoints (const TopoDS_Face& theF);
   
-  //! Removes all cashed polygonal representation of the shape,
+  //! Removes all cached polygonal representation of the shape,
   //! i.e. the triangulations of the faces of <S> and polygons on
   //! triangulations and polygons 3d of the edges.
   //! In case polygonal representation is the only available representation

src/BRepTools/BRepTools_ShapeSet.cxx

@@ -14,7 +14,7 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-// Modifed:     Portage NT 7-5-97 DPF (strcasecmp)
+// Modified:     Portage NT 7-5-97 DPF (strcasecmp)
 
 #include <BRep_Builder.hxx>
 #include <BRep_CurveOnClosedSurface.hxx>

src/BSplCLib/BSplCLib.hxx

@@ -68,7 +68,7 @@ class math_Matrix;
 //!
 //! Those methods have the following structure :
 //!
-//! - They extract the pole informations in a working array.
+//! - They extract the pole information in a working array.
 //!
 //! -  They      process the  working   array    with   the
 //! multi-dimension  methods. (for example  a  3d  rational
@@ -820,7 +820,7 @@ public:
   //! same as the  range of F(t)
   //!
   //! Warning: it is
-  //! the caller's responsability to insure that conditions
+  //! the caller's responsibility to insure that conditions
   //! 1. and  2. above are  satisfied : no check whatsoever
   //! is made in this method
   //!
@@ -847,7 +847,7 @@ public:
   //! same as the  range of F(t)
   //!
   //! Warning: it is
-  //! the caller's responsability to insure that conditions
+  //! the caller's responsibility to insure that conditions
   //! 1. and  2. above are  satisfied : no check whatsoever
   //! is made in this method
   //!
@@ -870,7 +870,7 @@ public:
   //! of BSplineFlatKnots which is the
   //! same as the  range of F(t)
   //! Warning: it is
-  //! the caller's responsability to insure that conditions
+  //! the caller's responsibility to insure that conditions
   //! 1. and  2. above are  satisfied : no check whatsoever
   //! is made in this method
   //! theStatus will return 0 if OK else it will return the pivot index
@@ -892,7 +892,7 @@ public:
   //! of BSplineFlatKnots which is the
   //! same as the  range of F(t)
   //! Warning: it is
-  //! the caller's responsability to insure that conditions
+  //! the caller's responsibility to insure that conditions
   //! 1. and  2. above are  satisfied : no check whatsoever
   //! is made in this method
   //! theStatus will return 0 if OK else it will return the pivot index
@@ -911,7 +911,7 @@ public:
   //! NewDegree on the knots FlatKnots 2. the range of a(t)
   //! is the same as the  range of F(t)
   //! Warning: it is
-  //! the caller's responsability to insure that conditions
+  //! the caller's responsibility to insure that conditions
   //! 1. and  2. above are  satisfied : no check whatsoever
   //! is made in this method
   //! theStatus will return 0 if OK else it will return the pivot index
@@ -930,7 +930,7 @@ public:
   //! NewDegree on the knots FlatKnots 2. the range of a(t)
   //! is the same as the  range of F(t)
   //! Warning: it is
-  //! the caller's responsability to insure that conditions
+  //! the caller's responsibility to insure that conditions
   //! 1. and  2. above are  satisfied : no check whatsoever
   //! is made in this method
   //! theStatus will return 0 if OK else it will return the pivot index
@@ -949,7 +949,7 @@ public:
   //! NewDegree on the knots FlatKnots 2. the range of a(t)
   //! is the same as the  range of F(t)
   //! Warning: it is
-  //! the caller's responsability to insure that conditions
+  //! the caller's responsibility to insure that conditions
   //! 1. and  2. above are  satisfied : no check whatsoever
   //! is made in this method
   //! theStatus will return 0 if OK else it will return the pivot index
@@ -968,7 +968,7 @@ public:
   //! NewDegree on the knots FlatKnots 2. the range of a(t)
   //! is the same as the  range of F(t)
   //! Warning: it is
-  //! the caller's responsability to insure that conditions
+  //! the caller's responsibility to insure that conditions
   //! 1. and  2. above are  satisfied : no check whatsoever
   //! is made in this method
   //! theStatus will return 0 if OK else it will return the pivot index

src/BSplSLib/BSplSLib.cxx

@@ -14,8 +14,8 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-// Modifed RLE Aug 93 - Complete rewrite
+// Modified RLE Aug 93 - Complete rewrite
-// xab  21-Mar-95  implemented cache mecanism
+// xab  21-Mar-95  implemented cache mechanism
 // pmn  25-09-96   Interpolation
 // jct  25-09-96 : Correction de l'alloc de LocalArray dans RationalDerivative.
 // pmn  07-10-96 : Correction de DN dans le cas rationnal.

src/BSplSLib/BSplSLib.hxx

@@ -59,7 +59,7 @@ class gp_Vec;
 //!
 //! Warnings : The  bounds of UKnots  and UMults should be the
 //! same, the bounds of VKnots and VMults should be  the same,
-//! the bounds of Poles and Weights shoud be the same.
+//! the bounds of Poles and Weights should be the same.
 //!
 //! The Control points representation is :
 //! Poles(Uorigin,Vorigin) ...................Poles(Uorigin,Vend)
@@ -399,7 +399,7 @@ public:
   //! degree U/VNewDegree  on  the knots U/VFlatKnots 2. the range
   //! of a(u,v) is   the   same as  the range   of  N(u,v)
   //! or D(u,v)
-  //! ---Warning:  it is   the caller's  responsability  to
+  //! ---Warning:  it is   the caller's  responsibility  to
   //! insure that conditions 1. and  2. above are satisfied
   //! : no  check  whatsoever is made   in  this method  --
   //! theStatus will  return 0 if  OK else it will return  the

src/BSplSLib/BSplSLib_EvaluatorFunction.hxx

@@ -27,7 +27,7 @@
 #include <Standard_PrimitiveTypes.hxx>
 #endif
 
-// Histroy - C function pointer converted to a virtual class
+// History - C function pointer converted to a virtual class
 // in order to get rid of usage of static functions and static data
 class BSplSLib_EvaluatorFunction
 {

src/BiTgte/BiTgte_Blend.cxx

@@ -1059,7 +1059,7 @@ void BiTgte_Blend::Perform(const Standard_Boolean BuildShape)
   ChFi3d_ResultChron(ch, t_shape);
 #endif 
 
-  // Finally construct curves 3d from edges to be transfered
+  // Finally construct curves 3d from edges to be transferred
   // since the partition is provided ( A Priori);
   BRepLib::BuildCurves3d(myResult, Precision::Confusion());
 

src/BiTgte/BiTgte_CurveOnEdge.hxx

@@ -75,7 +75,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BiTgte/BiTgte_CurveOnVertex.hxx

@@ -74,7 +74,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BinDrivers/BinDrivers_DocumentStorageDriver.hxx

@@ -29,7 +29,7 @@ class BinLDrivers_DocumentSection;
 class BinDrivers_DocumentStorageDriver;
 DEFINE_STANDARD_HANDLE(BinDrivers_DocumentStorageDriver, BinLDrivers_DocumentStorageDriver)
 
-//! persistent implemention of storage a document in a binary file
+//! persistent implementation of storage a document in a binary file
 class BinDrivers_DocumentStorageDriver : public BinLDrivers_DocumentStorageDriver
 {
 

src/BinLDrivers/BinLDrivers_DocumentStorageDriver.hxx

@@ -41,7 +41,7 @@ class BinLDrivers_DocumentSection;
 class BinLDrivers_DocumentStorageDriver;
 DEFINE_STANDARD_HANDLE(BinLDrivers_DocumentStorageDriver, PCDM_StorageDriver)
 
-//! persistent implemention of storage a document in a binary file
+//! persistent implementation of storage a document in a binary file
 class BinLDrivers_DocumentStorageDriver : public PCDM_StorageDriver
 {
 

src/Bisector/Bisector_BisecPC.hxx

@@ -41,7 +41,7 @@ DEFINE_STANDARD_HANDLE(Bisector_BisecPC, Bisector_Curve)
 
 //! Provides the bisector between a point and a curve.
 //! the curvature on the curve has to be monoton.
-//! the point can't be on the curve exept at the extremitys.
+//! the point can't be on the curve exept at the extremities.
 class Bisector_BisecPC : public Bisector_Curve
 {
 

src/Blend/Blend_AppFunction.hxx

@@ -108,8 +108,8 @@ public:
   Standard_EXPORT virtual Standard_Boolean IsSolution (const math_Vector& Sol,
                                                        const Standard_Real Tol) = 0;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT virtual Standard_Real GetMinimalDistance() const = 0;
   
   //! Returns the point on the first support.
@@ -135,7 +135,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   //! raises
   //! OutOfRange from Standard

src/Blend/Blend_CSFunction.hxx

@@ -106,8 +106,8 @@ public:
   //! the parameter on the guide line.
   Standard_EXPORT virtual Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE = 0;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
   
   //! Returns the point on the first support.

src/Blend/Blend_RstRstFunction.hxx

@@ -108,8 +108,8 @@ public:
   //! the parameter on the guide line.
   Standard_EXPORT virtual Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) = 0;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT Standard_Real GetMinimalDistance() const;
   
   //! Returns the point on the first support.
@@ -178,7 +178,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const = 0;
   

src/Blend/Blend_SurfRstFunction.hxx

@@ -107,8 +107,8 @@ public:
   //! the parameter on the guide line.
   Standard_EXPORT virtual Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) = 0;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT Standard_Real GetMinimalDistance() const;
   
   //! Returns the point on the first support.
@@ -172,7 +172,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const = 0;
   

src/BlendFunc/BlendFunc_CSCircular.hxx

@@ -159,7 +159,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   //! raises
   //! OutOfRange from Standard

src/BlendFunc/BlendFunc_CSConstRad.hxx

@@ -146,7 +146,7 @@ public:
   
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   //! raises
   //! OutOfRange from Standard

src/BlendFunc/BlendFunc_ChAsym.hxx

@@ -70,8 +70,8 @@ public:
   
   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
   
   //! computes the values <F> of the derivatives for the
@@ -142,7 +142,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BlendFunc/BlendFunc_ConstRad.hxx

@@ -92,8 +92,8 @@ public:
   
   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
   
   Standard_EXPORT const gp_Pnt& PointOnS1() const Standard_OVERRIDE;
@@ -147,7 +147,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BlendFunc/BlendFunc_EvolRad.hxx

@@ -92,8 +92,8 @@ public:
   
   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
   
   Standard_EXPORT const gp_Pnt& PointOnS1() const Standard_OVERRIDE;
@@ -146,7 +146,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
   

src/BlendFunc/BlendFunc_GenChamfer.hxx

@@ -82,8 +82,8 @@ public:
   Standard_EXPORT void GetBounds (math_Vector& InfBound,
                                   math_Vector& SupBound) const Standard_OVERRIDE;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
   
   //! Sets the distances and the "quadrant".
@@ -105,7 +105,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   //! raises
   //! OutOfRange from Standard

src/BlendFunc/BlendFunc_Ruled.hxx

@@ -87,8 +87,8 @@ public:
   
   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
   
-  //! Returns   the    minimal  Distance  beetween   two
+  //! Returns   the    minimal  Distance  between   two
-  //! extremitys of calculed sections.
+  //! extremities of calculated sections.
   Standard_EXPORT Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
   
   Standard_EXPORT const gp_Pnt& PointOnS1() const Standard_OVERRIDE;
@@ -130,7 +130,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
   //! raises
   //! OutOfRange from Standard

src/Bnd/Bnd_B3x.gxx

@@ -363,7 +363,7 @@ Standard_Boolean Bnd_B3x::IsOut (const gp_Ax1&          theLine,
                        (Standard_Real)myCenter[1] - theLine.Location().Y(),
                        (Standard_Real)myCenter[2] - theLine.Location().Z());
 
-  // Find the parameter interval in X dimention
+  // Find the parameter interval in X dimension
   Standard_Real aHSize = (Standard_Real)myHSize[0]+theOverthickness;
   if (aDir.X() > aRes) {
     anInter0[0]= (aDiff.X() - aHSize) / aDir.X();
@@ -376,7 +376,7 @@ Standard_Boolean Bnd_B3x::IsOut (const gp_Ax1&          theLine,
     if (Abs(aDiff.X()) > aHSize)
       return Standard_True;
   
-  // Find the parameter interval in Y dimention
+  // Find the parameter interval in Y dimension
   aHSize = (Standard_Real)myHSize[1]+theOverthickness;
   if (aDir.Y() > aRes) {
     anInter1[0]= (aDiff.Y() - aHSize) / aDir.Y();
@@ -399,7 +399,7 @@ Standard_Boolean Bnd_B3x::IsOut (const gp_Ax1&          theLine,
   if (isRay && anInter0[1] < -aRes)
     return Standard_True;
 
-  // Find the parameter interval in Z dimention
+  // Find the parameter interval in Z dimension
   aHSize = (Standard_Real)myHSize[2]+theOverthickness;
   if (aDir.Z() > aRes) {
     anInter1[0]= (aDiff.Z() - aHSize) / aDir.Z();

src/BndLib/BndLib.hxx

@@ -72,7 +72,7 @@ public:
   //! Adds the segment of the line L limited by the two
   //! parameter values P1 and P2, to the bounding box B, and
   //! then enlarges B by the tolerance value Tol.
-  //! Tol is the tolerance value to enlarge the minimun and maximum dimension
+  //! Tol is the tolerance value to enlarge the minimum and maximum dimension
   //! P1 and P2 may represent infinite values.
   //! Exceptions
   //! Standard_Failure if P1 and P2 are either two negative

src/BndLib/BndLib_Add3dCurve.cxx

@@ -221,7 +221,7 @@ void BndLib_Add3dCurve::Add( const Adaptor3d_Curve& C,
 	else {
 	  ////////////////////////////////////////////////
 	  //  modified by NIZHNY-EAP Fri Dec  3 14:29:14 1999 ___BEGIN___
-	  // To avoid exeption in Segment
+	  // To avoid exception in Segment
 	  if(Bsaux->FirstParameter() > U1) u1 = Bsaux->FirstParameter();
 	  if(Bsaux->LastParameter()  < U2 ) u2  = Bsaux->LastParameter();
 	  //  modified by NIZHNY-EAP Fri Dec  3 14:29:18 1999 ___END___

src/BndLib/BndLib_AddSurface.hxx

@@ -102,7 +102,7 @@ public:
   Standard_EXPORT static void Add (const Adaptor3d_Surface& S, const Standard_Real UMin, const Standard_Real UMax, const Standard_Real VMin, const Standard_Real VMax, const Standard_Real Tol, Bnd_Box& B);
 
   //! Adds the surface S to the bounding box B.
-  //! This algorith builds precise bounding box
+  //! This algorithm builds precise bounding box
 
   Standard_EXPORT static void AddOptimal (const Adaptor3d_Surface& S, const Standard_Real Tol, Bnd_Box& B);
 

src/CPnts/CPnts_UniformDeflection.hxx

@@ -96,19 +96,19 @@ public:
   //! As above with 2d curve
   Standard_EXPORT CPnts_UniformDeflection(const Adaptor2d_Curve2d& C, const Standard_Real Deflection, const Standard_Real U1, const Standard_Real U2, const Standard_Real Resolution, const Standard_Boolean WithControl);
   
-  //! Initialize the algoritms with <C>, <Deflection>, <UStep>,
+  //! Initialize the algorithms with <C>, <Deflection>, <UStep>,
   //! <Resolution> and <WithControl>
   Standard_EXPORT void Initialize (const Adaptor3d_Curve& C, const Standard_Real Deflection, const Standard_Real Resolution, const Standard_Boolean WithControl);
   
-  //! Initialize the algoritms with <C>, <Deflection>, <UStep>,
+  //! Initialize the algorithms with <C>, <Deflection>, <UStep>,
   //! <Resolution> and <WithControl>
   Standard_EXPORT void Initialize (const Adaptor2d_Curve2d& C, const Standard_Real Deflection, const Standard_Real Resolution, const Standard_Boolean WithControl);
   
-  //! Initialize the algoritms with <C>, <Deflection>, <UStep>,
+  //! Initialize the algorithms with <C>, <Deflection>, <UStep>,
   //! <U1>, <U2> and <WithControl>
   Standard_EXPORT void Initialize (const Adaptor3d_Curve& C, const Standard_Real Deflection, const Standard_Real U1, const Standard_Real U2, const Standard_Real Resolution, const Standard_Boolean WithControl);
   
-  //! Initialize the algoritms with <C>, <Deflection>, <UStep>,
+  //! Initialize the algorithms with <C>, <Deflection>, <UStep>,
   //! <U1>, <U2> and <WithControl>
   Standard_EXPORT void Initialize (const Adaptor2d_Curve2d& C, const Standard_Real Deflection, const Standard_Real U1, const Standard_Real U2, const Standard_Real Resolution, const Standard_Boolean WithControl);
   

src/ChFi2d/ChFi2d_Builder.hxx

@@ -144,19 +144,19 @@ protected:
 private:
 
   
-  //! Is internaly used by <AddFillet>.
+  //! Is internally used by <AddFillet>.
   //! Warning: <TrimE1>, <TrimE2>, <Fillet> has sense only if the
   //! status <status> is equal to <IsDone>
   Standard_EXPORT void ComputeFillet (const TopoDS_Vertex& V, const TopoDS_Edge& E1, const TopoDS_Edge& E2, const Standard_Real Radius, TopoDS_Edge& TrimE1, TopoDS_Edge& TrimE2, TopoDS_Edge& Fillet);
   
-  //! Is internaly used by  <AddChamfer>. The chamfer is
+  //! Is internally used by  <AddChamfer>. The chamfer is
   //! computed  from  a  vertex,   two  edges   and  two
   //! distances
   //! Warning: <TrimE1>, <TrimE2> and <Chamfer> has sense only if
   //! if the status <status> is equal to <IsDone>
   Standard_EXPORT void ComputeChamfer (const TopoDS_Vertex& V, const TopoDS_Edge& E1, const TopoDS_Edge& E2, const Standard_Real D1, const Standard_Real D2, TopoDS_Edge& TrimE1, TopoDS_Edge& TrimE2, TopoDS_Edge& Chamfer);
   
-  //! Is internaly used by <AddChamfer>.  The chamfer is
+  //! Is internally used by <AddChamfer>.  The chamfer is
   //! computed from   an  edge,  a  vertex,   a distance
   //! and an angle
   //! Warning: <TrimE1>,  <TrimE2>, and <Chamfer> has
@@ -164,7 +164,7 @@ private:
   //! <IsDone>
   Standard_EXPORT void ComputeChamfer (const TopoDS_Vertex& V, const TopoDS_Edge& E1, const Standard_Real D, const Standard_Real Ang, const TopoDS_Edge& E2, TopoDS_Edge& TrimE1, TopoDS_Edge& TrimE2, TopoDS_Edge& Chamfer);
   
-  //! Is   internaly  used     by  <ComputeFillet>.
+  //! Is   internally  used     by  <ComputeFillet>.
   //! <NewExtr1> and  <NewExtr2>  will  contains the new
   //! extremities of <AdjEdge1> and <AdjEdge2>
   //! Warning: The  returned  edge has sense   only if the status
@@ -175,14 +175,14 @@ private:
   //! <BothEdgesDegenerated>
   Standard_EXPORT TopoDS_Edge BuildFilletEdge (const TopoDS_Vertex& V, const TopoDS_Edge& AdjEdge1, const TopoDS_Edge& AdjEdge2, const Standard_Real Radius, TopoDS_Vertex& NewExtr1, TopoDS_Vertex& NewExtr2);
   
-  //! Is   internaly  used     by  <ComputeFillet>.
+  //! Is   internally  used     by  <ComputeFillet>.
   //! <NewExtr1> and  <NewExtr2>  will  contains the new
   //! extremities of <AdjEdge1> and <AdjEdge2>
   //! Warning: The  returned  edge has sense   only if the status
   //! <status> is equal to <IsDone>
   Standard_EXPORT TopoDS_Edge BuildChamferEdge (const TopoDS_Vertex& V, const TopoDS_Edge& AdjEdge1, const TopoDS_Edge& AdjEdge2, const Standard_Real D1, const Standard_Real D2, TopoDS_Vertex& NewExtr1, TopoDS_Vertex& NewExtr2);
   
-  //! Is   internaly  used     by  <ComputeFillet>.
+  //! Is   internally  used     by  <ComputeFillet>.
   //! <NewExtr1> and  <NewExtr2>  will  contains the new
   //! extremities of <AdjEdge1> and <AdjEdge2>
   //! Warning: The  returned  edge has sense   only if the status

src/ChFi2d/ChFi2d_FilletAPI.cxx

@@ -113,7 +113,7 @@ Standard_Boolean ChFi2d_FilletAPI::IsAnalytical(const TopoDS_Edge& theEdge1,
       (AC2.GetType() == GeomAbs_Line || AC2.GetType() == GeomAbs_Circle))
   {
     // The edges are lines or arcs of circle.
-    // Now check wether they have a common point.
+    // Now check whether they have a common point.
     gp_Pnt p11 = AC1.Value(AC1.FirstParameter());
     gp_Pnt p12 = AC1.Value(AC1.LastParameter());
     gp_Pnt p21 = AC2.Value(AC2.FirstParameter());

src/ChFi2d/ChFi2d_FilletAlgo.cxx

@@ -507,7 +507,7 @@ int ChFi2d_FilletAlgo::NbResults(const gp_Pnt& thePoint)
   return nb;
 }
 
-// returns result (fillet edge, modified edge1, modified edge2), neares to the given point <thePoint>
+// returns result (fillet edge, modified edge1, modified edge2), nearest to the given point <thePoint>
 TopoDS_Edge ChFi2d_FilletAlgo::Result(const gp_Pnt& thePoint, TopoDS_Edge& theEdge1, TopoDS_Edge& theEdge2, const int iSolution) 
 {
   TopoDS_Edge aResult;

src/ChFi2d/ChFi2d_FilletAlgo.hxx

@@ -87,18 +87,18 @@ public:
   Standard_EXPORT Standard_Boolean Perform(const Standard_Real theRadius);
 
   //! Returns number of possible solutions.
-  //! <thePoint> chooses a particular fillet in case of several fillets 
+  //! <thePoint> chooses a particular fillet in case of several fillets
   //! may be constructed (for example, a circle intersecting a segment in 2 points).
   //! Put the intersecting (or common) point of the edges.
   Standard_EXPORT Standard_Integer NbResults(const gp_Pnt& thePoint);
 
-  //! Returns result (fillet edge, modified edge1, modified edge2), 
+  //! Returns result (fillet edge, modified edge1, modified edge2),
-  //! neares to the given point <thePoint> if iSolution == -1.
+  //! nearest to the given point <thePoint> if iSolution == -1.
-  //! <thePoint> chooses a particular fillet in case of several fillets 
+  //! <thePoint> chooses a particular fillet in case of several fillets
   //! may be constructed (for example, a circle intersecting a segment in 2 points).
   //! Put the intersecting (or common) point of the edges.
-  Standard_EXPORT TopoDS_Edge Result(const gp_Pnt& thePoint, 
+  Standard_EXPORT TopoDS_Edge Result(const gp_Pnt& thePoint,
-                                     TopoDS_Edge& theEdge1, TopoDS_Edge& theEdge2, 
+                                     TopoDS_Edge& theEdge1, TopoDS_Edge& theEdge2,
                                      const Standard_Integer iSolution = -1);
 
 private:
@@ -107,7 +107,7 @@ private:
   void FillPoint(FilletPoint*, const Standard_Real theLimit);
   //! Computes the derivative value of the function in the current point.
   //! <theDiffStep> is small step for approximate derivative computation
-  //! <theFront> is direction of the step: from or reverced
+  //! <theFront> is direction of the step: from or reversed
   void FillDiff(FilletPoint*, Standard_Real theDiffStep, Standard_Boolean theFront);
   //! Using Newton methods computes optimal point, that can be root of the
   //! function taking into account two input points, functions value and derivatives.

src/ChFiDS/ChFiDS_SurfData.hxx

@@ -107,11 +107,11 @@ public:
   
   Standard_EXPORT Standard_Integer Index (const Standard_Integer OfS) const;
   
-  //! returns one of the four vertices  wether First is true
+  //! returns one of the four vertices  whether First is true
   //! or wrong and OnS equals 1 or 2.
   Standard_EXPORT const ChFiDS_CommonPoint& Vertex (const Standard_Boolean First, const Standard_Integer OnS) const;
   
-  //! returns one of the four vertices  wether First is true
+  //! returns one of the four vertices  whether First is true
   //! or wrong and OnS equals 1 or 2.
   Standard_EXPORT ChFiDS_CommonPoint& ChangeVertex (const Standard_Boolean First, const Standard_Integer OnS);
   

src/Contap/Contap_HCurve2dTool.hxx

@@ -65,7 +65,7 @@ public:
   //! Stores in <T> the  parameters bounding the intervals
   //! of continuity <S>.
   //!
-  //! The array must provide  enough room to  accomodate
+  //! The array must provide  enough room to  accommodate
   //! for the parameters. i.e. T.Length() > NbIntervals()
     static void Intervals (const Handle(Adaptor2d_HCurve2d)& C, TColStd_Array1OfReal& T, const GeomAbs_Shape S);
   

src/Contap/Contap_Point.hxx

@@ -36,8 +36,8 @@ class IntSurf_Transition;
 //! Most of the time, such a point is an intersection
 //! between the contour and a restriction of the surface.
 //! When it is not tyhe method IsOnArc return False.
-//! Such a point is contains geometrical informations (see
+//! Such a point is contains geometrical information (see
-//! the Value method) and logical informations.
+//! the Value method) and logical information.
 class Contap_Point 
 {
 public:

src/Convert/Convert_GridPolynomialToPoles.cxx

@@ -53,9 +53,9 @@ Convert_GridPolynomialToPoles(
   myVDegree = NumCoeffPerSurface->Value(2)-1;
 
   if (myUDegree > MaxUDegree) 
-     throw Standard_DomainError("Convert : Incoherence beetween NumCoeffPerSurface and MaxUDegree");
+     throw Standard_DomainError("Convert : Incoherence between NumCoeffPerSurface and MaxUDegree");
   if (myVDegree > MaxVDegree) 
-     throw Standard_DomainError("Convert : Incoherence beetween NumCoeffPerSurface and MaxVDegree");
+     throw Standard_DomainError("Convert : Incoherence between NumCoeffPerSurface and MaxVDegree");
 
   Handle(TColStd_HArray2OfInteger) NumCoeff = 
     new (TColStd_HArray2OfInteger)(1, 1, 1, 2);
@@ -119,9 +119,9 @@ Convert_GridPolynomialToPoles(
   }
 
   if (myUDegree > RealUDegree) 
-     throw Standard_DomainError("Convert : Incoherence beetween NumCoeffPerSurface and MaxUDegree");
+     throw Standard_DomainError("Convert : Incoherence between NumCoeffPerSurface and MaxUDegree");
   if (myVDegree > RealVDegree) 
-     throw Standard_DomainError("Convert : Incoherence beetween NumCoeffPerSurface and MaxVDegree");
+     throw Standard_DomainError("Convert : Incoherence between NumCoeffPerSurface and MaxVDegree");
 
   Perform (UContinuity, VContinuity, 
 	   RealUDegree, RealVDegree,

src/DBRep/DBRep_HideData.hxx

@@ -33,7 +33,7 @@ class Draw_Display;
 class Draw_Color;
 
 
-//! This  class stores all the informations concerning
+//! This  class stores all the information  concerning
 //! hidden lines on a view.
 //!
 //! * View number