[numex] adding a new type of left context for numeric expressions called conat_only_if_number (for something like "oh" which can be "Columbus, OH" or something like "Twenty-One Oh One"

resources/numex/en.yaml

@@ -9,6 +9,7 @@
       name: "oh"
       value: 0
       type: "cardinal"
+      left: "concat_only_if_number"
     - 
       name: "one"
       value: 1

scripts/geodata/numbers/numex.py

@@ -47,11 +47,13 @@ category_map = {
 
 LEFT_CONTEXT_MULTIPLY = 'NUMEX_LEFT_CONTEXT_MULTIPLY'
 LEFT_CONTEXT_ADD = 'NUMEX_LEFT_CONTEXT_ADD'
+LEFT_CONTEXT_CONCAT_ONLY_IF_NUMBER = 'NUMEX_LEFT_CONTEXT_CONCAT_ONLY_IF_NUMBER'
 LEFT_CONTEXT_NONE = 'NUMEX_LEFT_CONTEXT_NONE'
 
 left_context_map = {
     'add': LEFT_CONTEXT_ADD,
     'multiply': LEFT_CONTEXT_MULTIPLY,
+    'concat_only_if_number': LEFT_CONTEXT_CONCAT_ONLY_IF_NUMBER,
     None: LEFT_CONTEXT_NONE,
 }
 

src/numex.h

@@ -50,7 +50,8 @@ typedef enum {
 typedef enum {
     NUMEX_LEFT_CONTEXT_NONE,
     NUMEX_LEFT_CONTEXT_ADD,
-    NUMEX_LEFT_CONTEXT_MULTIPLY
+    NUMEX_LEFT_CONTEXT_MULTIPLY,
+    NUMEX_LEFT_CONTEXT_CONCAT_ONLY_IF_NUMBER
 } numex_left_context;
 
 typedef enum {