Spell check.

Box_intersection_d/doc_tex/Box_intersection_d/main.tex

@@ -81,7 +81,7 @@ possible values for the \ccc{topology} parameter:
   \item \ccc{CGAL::Box_intersection_d::CLOSED}.
 \end{itemize}
 
-The number type of the interval boundaries must be one of the builtin
+The number type of the interval boundaries must be one of the built-in
 types \texttt{int}, \texttt{unsigned int}, \texttt{double} or
 \texttt{float}.
 
@@ -135,7 +135,7 @@ void box_intersection_d(
 
 
 Additional parameters to the functions calls are a \emph{cutoff\/}
-value to adjust performance tradeoffs, and a \emph{topology\/} parameter
+value to adjust performance trade-offs, and a \emph{topology\/} parameter
 selecting between topologically closed boxes (the default) and
 topologically half-open boxes.
 
@@ -330,7 +330,7 @@ pointers was 20\% faster than the version above that copies the boxes
 for 10000 boxes, but the picture reversed for 100000 boxes, where the
 version above that copies the boxes becomes 300\% faster.
 
-Note that switching to the builtin type \ccc{float} is supported by
+Note that switching to the built-in type \ccc{float} is supported by
 the box \ccHtmlNoLinksFrom{intersection} algorithm, but the interfacing with the \cgal\ 
 bounding box \ccc{CGAL::Bbox_3} would not be that easy. In particular,
 just converting from the \ccc{double} to the \ccc{float}

Box_intersection_d/doc_tex/Box_intersection_d_ref/BoxIntersectionBox_d.tex

@@ -26,7 +26,7 @@ the dimension, the \ccc{id}-number, and the boundaries of the box.
 \ccTypes
 
 \ccNestedType{NT}{number type to represent the box
-  boundaries. Allowed are the builtin types \ccc{int}, \ccc{unsigned
+  boundaries. Allowed are the built-in types \ccc{int}, \ccc{unsigned
   int}, \ccc{float}, and \ccc{double}.} 
 
 \ccNestedType{ID}{type for the box \ccc{id}-number,

Box_intersection_d/doc_tex/Box_intersection_d_ref/BoxIntersectionPredicateTraits_d.tex

@@ -28,7 +28,7 @@ generic default implementation
   predicates using exactly this type.} 
 
 \ccNestedType{NT}{number type to represent the box
-  boundaries. Supported are the builtin types \ccc{int}, \ccc{unsigned
+  boundaries. Supported are the built-in types \ccc{int}, \ccc{unsigned
   int}, \ccc{float}, and \ccc{double}.} 
 
 \ccNestedType{ID}{type for the \ccc{id}-number,

Box_intersection_d/doc_tex/Box_intersection_d_ref/BoxIntersectionTraits_d.tex

@@ -35,7 +35,7 @@ the boxes manipulated in these algorithms.
   would be \ccc{B} where this type is \ccc{const B&}.}
 
 \ccNestedType{NT}{number type to represent the box
-  boundaries. Allowed are the builtin types \ccc{int}, \ccc{unsigned
+  boundaries. Allowed are the built-in types \ccc{int}, \ccc{unsigned
   int}, \ccc{float}, and \ccc{double}.} 
 
 \ccNestedType{ID}{type for the \ccc{id}-number,

Box_intersection_d/doc_tex/Box_intersection_d_ref/Box_d.tex

@@ -63,7 +63,7 @@ and also automatically with\\
 \ccThree{std::size_tMMMMM}{Mbox.min_coord( int dim)}{}\ccThreeToTwo
 
 \ccNestedType{NT}{number type to represent the box
-  boundaries. Allowed  are the builtin types \ccc{int}, \ccc{unsigned
+  boundaries. Allowed  are the built-in types \ccc{int}, \ccc{unsigned
   int}, \ccc{float}, and \ccc{double}.}
 
 %\footnote{The support is limited

Box_intersection_d/doc_tex/Box_intersection_d_ref/Box_with_handle_d.tex

@@ -78,7 +78,7 @@ and also automatically with\\
 \ccThree{std::size_tMMMMM}{Mbox.min_coord( int dim)}{}\ccThreeToTwo
 
 \ccNestedType{NT}{number type to represent the box
-  boundaries. Allowed are the builtin types \ccc{int}, \ccc{unsigned
+  boundaries. Allowed are the built-in types \ccc{int}, \ccc{unsigned
   int}, \ccc{float}, and \ccc{double}.}
 
 %\footnote{The support is limited