DOC: Fix missing doc examples

Modules/Applications/AppImageUtils/app/otbClampROI.cxx

@@ -53,7 +53,7 @@ private:
   {
     SetName("ClampROI");
 
-    SetDescription("This is the ClampROI application, version X.X.X");
+    SetDescription("This is the ClampROI application");
     SetDocLongDescription(
         "This application is similar to ExtractROI in the sense it extracts a Region of Interrest.\n"
         "However, the region outside of the ROI isn't trimmed, but set to 0.\n"
@@ -64,7 +64,7 @@ private:
     SetDocLimitations("This application only works on scalar (and complex) images.");
     SetDocAuthors("Luc Hermitte (CS Group)");
     SetDocSeeAlso("ManageNoData, ExtractROI");
-    AddDocTag("otb::Wrapper::Tags::Manip");
+    AddDocTag(Tags::Manip);
 
     AddParameter(ParameterType_InputImage,  "in",   "Input image");
     SetParameterDescription("in", "Scalar Input image");
@@ -88,7 +88,18 @@ private:
     SetParameterDescription("threshold.y.end", "Bottom line index threshold");
     SetDefaultParameterInt("threshold.y.end", 0);
 
+    SetMinimumParameterIntValue("threshold.x",       0);
+    SetMinimumParameterIntValue("threshold.y.start", 0);
+    SetMinimumParameterIntValue("threshold.y.end",   0);
+
     AddRAMParameter();
+
+    SetDocExampleParameterValue("in", "ClampROIInput100x100.tiff");
+    SetDocExampleParameterValue("threshold.x",       "10");
+    SetDocExampleParameterValue("threshold.y.start", "12");
+    SetDocExampleParameterValue("threshold.y.end",    "25");
+    SetDocExampleParameterValue("out", "ClampROI.tiff");
+    SetOfficialDocLink();
   }
 
   void DoUpdateParameters() override

Modules/Applications/AppImageUtils/app/otbSynthetize.cxx

@@ -60,14 +60,14 @@ private:
   {
     SetName("Synthetize");
 
-    SetDescription("This is the Synthetize application, version X.X.X");
+    SetDescription("This is the Synthetize application");
     SetDocLongDescription("Concatenate a list of images of the same size into a single single-channel image.\n\
         It keeps the first non-null pixel value found in the input list.");
 
     SetDocLimitations("This application will break incoming pipelines.");
     SetDocAuthors("Luc Hermitte (CS Group)");
     SetDocSeeAlso("");
-    AddDocTag("otb::Wrapper::Tags::Manip");
+    AddDocTag(Tags::Manip);
 
     AddParameter(ParameterType_StringList,  "il",  "Input images list");
     SetParameterDescription("il", "Input image list");
@@ -76,6 +76,10 @@ private:
     SetParameterDescription("out","Output image.");
 
     AddRAMParameter();
+
+    SetDocExampleParameterValue("il", "s1a_33NWB_vv_DES_007_20200108t044150.tif s1a_33NWB_vv_DES_007_20200108t044215.tif");
+    SetDocExampleParameterValue("out", "s1a_33NWB_vv_DES_007_20200108txxxxxx.tif");
+    SetOfficialDocLink();
   }
 
   void DoUpdateParameters() override