+ const char* VISUALIZE_TREE = "Document tree: ";
+ const char* PROGRAM_ARGS = " -i <inputdir> -o <outputdir> -t <templatedir>";
+ const char* OUTPUT_IN = "Output in: ";
+ const char* PROGRAM_USAGE = "Usage: ";
+ const char* PROGRAM_EXPLANATION = "Where \n \
+\t<inputdir> - source directory tree with markdown sources\n \
+\t<outputdir> - destination in which to create the HTML output\n \
+\t<templatedir> - directory containing the templates\n \
+NOTE: directory argument need not terminate with the separator (/)";