Documentation: Added the 'rc.obfuscate' setting.

- The 'obfuscate' setting, if set to '1' will replace all text with 'xxx'.

src/ViewTask.cpp

@@ -324,8 +324,9 @@ std::string ViewTask::render (std::vector <Task>& data, std::vector <int>& seque
         max_lines = cells[c].size ();
 
       if (obfuscate)
-        for (unsigned int line = 0; line < cells[c].size (); ++line)
-          cells[c][line] = obfuscateText (cells[c][line]);
+        if (_columns[c]->type () == "string")
+          for (unsigned int line = 0; line < cells[c].size (); ++line)
+            cells[c][line] = obfuscateText (cells[c][line]);
     }
 
     // Listing breaks are simply blank lines inserted when a column value

src/ViewText.cpp

@@ -269,8 +269,9 @@ std::string ViewText::render ()
         max_lines = cells[col].size ();
 
       if (obfuscate)
-        for (unsigned int line = 0; line < cells[col].size (); ++line)
-          cells[col][line] = obfuscateText (cells[col][line]);
+        if (_columns[col]->type () == "string")
+          for (unsigned int line = 0; line < cells[col].size (); ++line)
+            cells[col][line] = obfuscateText (cells[col][line]);
     }
 
     for (unsigned int i = 0; i < max_lines; ++i)

src/commands/CmdShow.cpp

@@ -167,6 +167,7 @@ int CmdShow::execute (std::string& output)
     " locking"
     " monthsperline"
     " nag"
+    " obfuscate"
     " print.empty.columns"
     " recurrence"
     " recurrence.confirmation"