Some obvious missing quotes and typos

Some obvious missing quotes and typos

Algebraic_kernel_d/include/CGAL/Algebraic_kernel_d/Algebraic_curve_kernel_2.h

@@ -73,7 +73,7 @@ namespace CGAL {
  * in turn required by the \c CurvedKernelViaAnalysis_2 concept
  * (see the documentation of the corresponding package). Therefore,
  * some types and methods of the class have both an "algebraic" name
- * (demanded by \c CurveKernelWithAnalysis_d_2) and an "non-algebraic name
+ * (demanded by \c CurveKernelWithAnalysis_d_2) and an "non-algebraic" name
  * (demanded by \c CurveKernel_2).
  *
  * \b Algebraic_curve_kernel_2 is a template class, and needs a model

Algebraic_kernel_d/include/CGAL/Algebraic_kernel_d/Xy_coordinate_2.h

@@ -762,7 +762,7 @@ std::istream& operator >> (
 
   is >> arcno;
 
-  // read the ")
+  // read the ")"
   swallow(is, ')');
 
   pt = Xy_coordinate_2(x, curve, arcno);

Arrangement_on_surface_2/include/CGAL/Arr_point_location/Arr_walk_along_line_pl_impl.h

@@ -776,7 +776,7 @@ _is_in_connected_component (const Point_2& p,
 //-----------------------------------------------------------------------------
 // Find the first halfedge around a given target vertex, when going clockwise
 // from "6 o'clock" around this vertex (when shooting up) or starting from
-// "12 o'clock (when shooting down).
+// "12 o'clock" (when shooting down).
 //
 template <class Arrangement>
 typename Arr_walk_along_line_point_location<Arrangement>::Halfedge_const_handle

Arrangement_on_surface_2/include/CGAL/Arr_walk_along_line_point_location.h

@@ -183,7 +183,7 @@ protected:
   /*!
    * Find the first halfedge around a given target vertex, when going clockwise
    * from "6 o'clock" around this vertex (when shooting up) or starting from
-   * "12 o'clock (when shooting down).
+   * "12 o'clock" (when shooting down).
    * \param v The given vertex.
    * \param shoot_up If (true) we should start from "6 o'clock",
    *                 if (false) we should start from "12 o'clock".

Boolean_set_operations_2/include/CGAL/connect_holes.h

@@ -432,7 +432,7 @@ OutputIterator connect_holes(const Polygon_with_holes_2<Kernel,
       } else {
         /*the case where target() is a part of several holes, and next is a
         boundary of a hole that has been traversed. This requires
-        to continue "traversal alongside all edges whose target is also
+        to continue traversal alongside all edges whose target is also
         curr->target() to keep looking for a hole that hasn't been traversed.
         we do not insert the target to the output set to avoid duplication
         with cases 2 and 3*/

Bounding_volumes/include/CGAL/Approximate_min_ellipsoid_d/Khachiyan_approximation.h

@@ -12,7 +12,7 @@
 
 // Note: whenever a comment refers to "Khachiyan's paper" then the
 // paper "Rounding of polytopes in the real number model of
-// computation" is ment (Mathematics of Operations Research, Vol. 21,
+// computation" is meant (Mathematics of Operations Research, Vol. 21,
 // No. 2, May 1996).  Nontheless, most comments refer to the
 // accompanying documentation sheet (and not to the above paper), see
 // the file(s) in documentation/.
@@ -85,7 +85,7 @@ namespace CGAL {
     //
     // Notice that (at almost all places in this code) whenever a
     // point "p" is mentioned in a comment then the embedded point is
-    // ment in case (ii).
+    // meant in case (ii).
     const int d_P;                  // dimension of the input points
     const int d;                    // dimension of the ambient space
 

Bounding_volumes/include/CGAL/Approximate_min_ellipsoid_d/Khachiyan_approximation_impl.h

@@ -12,7 +12,7 @@
 
 // Note: whenever a comment refers to "Khachiyan's paper" then the
 // paper "Rounding of polytopes in the real number model of
-// computation" is ment (Mathematics of Operations Research, Vol. 21,
+// computation" is meant (Mathematics of Operations Research, Vol. 21,
 // No. 2, May 1996).  Nontheless, most comments refer to the
 // accompanying documentation sheet (and not to the above paper), see
 // the file(s) in documentation/.

CGAL_Core/include/CGAL/CORE/BigFloat_impl.h

@@ -1102,7 +1102,7 @@ std::istream& BigFloatRep :: operator >>(std::istream& i) {
     if (c == '.')
       d = 1;
     // Chen Li: fix a bug -- the sign of exponent can not happen before
-    // the character "e" appears! It must follow the "e' actually.
+    // the character "e" appears! It must follow the "e" actually.
     //    if (e || c == '-' || c == '+') s = 1;
     if (e)
       s = 1;

CGAL_Core/include/CGAL/CORE/ExprRep.h

@@ -1340,7 +1340,7 @@ inline int ExprRep::getExactSign() {
 }
 
 // Chee, 7/17/02: degreeBound() function is now
-// taken out of "computeExactFlags()
+// taken out of "computeExactFlags()"
 inline int ExprRep::getSign() {
   if (ffVal.isOK())
     return ffVal.sign();

CGAL_Core/include/CGAL/CORE/Real_impl.h

@@ -237,7 +237,7 @@ std::istream& operator >>(std::istream& i, Real& x) {
     if (c == '.')
       d = 1;
     // Chen Li: fix a bug -- the sign of exponent can not happen before
-    // the character "e" appears! It must follow the "e' actually.
+    // the character "e" appears! It must follow the "e" actually.
     //    if (e || c == '-' || c == '+') s = 1;
     if (e)
       s = 1;