removed support of xml and json config.

Changed the evaluation pattern to $|x|.

doc/examples/dummy/param_func.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" ?>
-<root>
-    <parameter name="func_param" value="param"/>
-</root>

doc/examples/dummy/param_func.yaml

@@ -0,0 +1 @@
+func_param: param

doc/examples/example_items.tum

@@ -2,10 +2,8 @@
 #
 
 config_file:
-    - param.xml
     - param.yaml
-    - param.json
-    - $(test_directory)/dummy/param_func.xml
+    - $(test_directory)/dummy/param_func.yaml
 
 main:
     name: Test Sample number one

doc/examples/param.json

@@ -1,4 +0,0 @@
-
-{
-    "global_loop_param_list": [["one", "two", "three"],[1, 2, 3]]
-}

doc/examples/param.xml

@@ -1,9 +0,0 @@
-<?xml version="1.0" ?>
-<root>
-<!-- ****************************************************************************
-    Test configuration
-**************************************************************************** -->
-    <parameter name="windows_prompt" value=">"/>
-    <parameter name="linux_prompt" value="$"/>
-    <parameter name="sequence" value="tm.tum"/>
-</root>

doc/examples/param.yaml

@@ -2,7 +2,12 @@
 #****************************************************************************
 #    Test configuration
 #**************************************************************************** -->
+windows_prompt: >
+linux_prompt: $
+sequence: tm.tum
+
 # loops parameters
+global_loop_param_list: [["one", "two", "three"], [1, 2, 3]]
 global_loop_param_txt: ['one', 'two', 'three']
 global_loop_param_num: [1, 2, 3]