Used literal blocks instead of the LaTeX verbatim environment

doc/opencv1/c/core_xml_yaml_persistence.rst

@@ -56,8 +56,8 @@ using CXCore functions:
 
 XML:
 
+::
 
-\begin{verbatim}
   <?xml version="1.0">
   <opencv_storage>
   <A type_id="opencv-matrix">
@@ -68,18 +68,18 @@ XML:
   </A>
   </opencv_storage>
 
-\end{verbatim}
+
 YAML:
 
+::
 
-\begin{verbatim}
   A: !!opencv-matrix
     rows: 3
     cols: 3
     dt: f
     data: [ 1., 0., 0., 0., 1., 0., 0., 0., 1.]
 
-\end{verbatim}
+
 As it can be seen from the examples, XML uses nested tags to represent
 hierarchy, while YAML uses indentation for that purpose (similar
 to the Python programming language).

doc/opencv1/c/objdetect_cascade_classification.rst

@@ -177,8 +177,8 @@ Boosted Haar classifier structures.
 
 All the structures are used for representing a cascaded of boosted Haar classifiers. The cascade has the following hierarchical structure:
 
+::
 
-\begin{verbatim}
   Cascade:
           Stage,,1,,:
               Classifier,,11,,:
@@ -192,7 +192,6 @@ Cascade:
               ...
           ...
 
-\end{verbatim}
 The whole hierarchy can be constructed manually or loaded from a file or an embedded base using the function 
 :ref:`LoadHaarClassifierCascade`
 .