Missed a couple of keys in translation for -x.

src/fenrirscreenreader/inputDriver/x11Driver.py

@@ -61,7 +61,11 @@ class driver(inputDriver):
         "Escape": "KEY_ESC",
         "space": "KEY_SPACE",
         "minus": "KEY_MINUS",
+        "underscore": "KEY_MINUS",
+        "_": "KEY_MINUS",
         "equal": "KEY_EQUAL",
+        "plus": "KEY_EQUAL",
+        "+": "KEY_EQUAL",
         "bracketleft": "KEY_LEFTBRACE",
         "bracketright": "KEY_RIGHTBRACE",
         "backslash": "KEY_BACKSLASH",
@@ -610,6 +614,8 @@ class driver(inputDriver):
             "KEY_COMPOSE": ["Multi_key"],
             "KEY_PAGEUP": ["Page_Up", "Prior"],
             "KEY_PAGEDOWN": ["Page_Down", "Next"],
+            "KEY_MINUS": ["minus", "underscore"],
+            "KEY_EQUAL": ["equal", "plus"],
             "KEY_KP0": ["KP_0", "KP_Insert"],
             "KEY_KP1": ["KP_1", "KP_End"],
             "KEY_KP2": ["KP_2", "KP_Down"],

tests/unit/test_x11_terminal_mode.py

@@ -79,6 +79,10 @@ def test_x11_key_name_mapping_for_keypad_and_capslock():
     assert x11.keysym_name_to_key_name("Prior") == "KEY_PAGEUP"
     assert x11.keysym_name_to_key_name("a") == "KEY_A"
     assert x11.keysym_name_to_key_name("F10") == "KEY_F10"
+    assert x11.keysym_name_to_key_name("plus") == "KEY_EQUAL"
+    assert x11.keysym_name_to_key_name("+") == "KEY_EQUAL"
+    assert x11.keysym_name_to_key_name("underscore") == "KEY_MINUS"
+    assert x11.keysym_name_to_key_name("_") == "KEY_MINUS"
 
 
 @pytest.mark.unit
@@ -150,6 +154,11 @@ def test_x11_key_name_to_keysym_names_includes_numlock_aliases():
     assert x11.key_name_to_keysym_names("KEY_COMPOSE") == ["Multi_key"]
     assert "Next" in x11.key_name_to_keysym_names("KEY_PAGEDOWN")
     assert "Prior" in x11.key_name_to_keysym_names("KEY_PAGEUP")
+    assert x11.key_name_to_keysym_names("KEY_EQUAL") == ["equal", "plus"]
+    assert x11.key_name_to_keysym_names("KEY_MINUS") == [
+        "minus",
+        "underscore",
+    ]
 
 
 @pytest.mark.unit