message: Update doc. Works on windows.
diff: @@ -45,7 +45,6 @@ Define a user-defined variable to get RINGMesh directory path
  -------------------------------------------------------------
  The code below define a variable RINGMesh_HOME containing the path to the RINGMesh directory.
  The user can change the default value (parent directory of the current cmake project).
  -This variable must be written as presented here (RINGMesh_HOME).
  \code
  SET(RINGMesh_HOME "${PROJECT_SOURCE_DIR}/../RINGMesh" CACHE PATH "Path to RINGMesh project (mandatory dependency)")
  