Used literal blocks instead of the LaTeX verbatim environment

doc/opencv1/c/core_xml_yaml_persistence.rst

@@ -56,30 +56,30 @@ using CXCore functions:
 
 XML:
 
+::
 
-\begin{verbatim}
-<?xml version="1.0">
-<opencv_storage>
-<A type_id="opencv-matrix">
+  <?xml version="1.0">
+  <opencv_storage>
+  <A type_id="opencv-matrix">
     <rows>3</rows>
     <cols>3</cols>
     <dt>f</dt>
     <data>1. 0. 0. 0. 1. 0. 0. 0. 1.</data>
-</A>
-</opencv_storage>
+  </A>
+  </opencv_storage>
+
 
-\end{verbatim}
 YAML:
 
+::
 
-\begin{verbatim}
-A: !!opencv-matrix
+  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

@@ -177,9 +177,9 @@ 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:
+  Cascade:
           Stage,,1,,:
               Classifier,,11,,:
                   Feature,,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`
 .