Use optional for recipe "using"

ehughsbaird · ehughsbaird · commit a5cabfe70094 · 2025-08-26T12:45:05.000Z
This allows it to support extend/delete

It also results in errors for the unsupported using [ x, 1, LIST ]
syntax, which has no difference from the [ x, 1 ] format. Clean that up.
diff --git a/data/json/recipes/food/canned.json b/data/json/recipes/food/canned.json
diff --git a/data/json/recipes/food/carnivore.json b/data/json/recipes/food/carnivore.json
@@ -752,7 +752,7 @@
     "book_learn": [ [ "vacuum_sealing", 1 ] ],
     "qualities": [ { "id": "CUT", "level": 2 }, { "id": "COOK", "level": 3 } ],
     "proficiencies": [ { "proficiency": "prof_preservation" } ],
-    "using": [ [ "vacuum_sealing_standard", 1, "LIST" ] ],
+    "using": [ [ "vacuum_sealing_standard", 1 ] ],
     "components": [ [ [ "fish", 5 ] ], [ [ "salt_preservation", 5, "LIST" ] ] ]
   },
   {
diff --git a/data/json/recipes/food/egg.json b/data/json/recipes/food/egg.json
@@ -285,7 +285,7 @@
     "book_learn": [ [ "vacuum_sealing", 1 ] ],
     "qualities": [ { "id": "CUT", "level": 2 }, { "id": "COOK", "level": 3 } ],
     "proficiencies": [ { "proficiency": "prof_preservation" } ],
-    "using": [ [ "vacuum_sealing_standard", 1, "LIST" ] ],
+    "using": [ [ "vacuum_sealing_standard", 1 ] ],
     "components": [ [ [ "curing_roe", 2 ] ] ]
   },
   {
diff --git a/data/json/recipes/food/fruit_dishes.json b/data/json/recipes/food/fruit_dishes.json
@@ -70,7 +70,7 @@
     "book_learn": [ [ "vacuum_sealing", 1 ] ],
     "qualities": [ { "id": "CUT", "level": 2 }, { "id": "COOK", "level": 3 } ],
     "proficiencies": [ { "proficiency": "prof_preservation" } ],
-    "using": [ [ "vacuum_sealing_standard", 1, "LIST" ] ],
+    "using": [ [ "vacuum_sealing_standard", 1 ] ],
     "components": [ [ [ "water_clean", 1 ] ], [ [ "sweet_fruit", 4, "LIST" ] ], [ [ "sugar_standard", 1, "LIST" ] ] ]
   },
   {
diff --git a/data/json/recipes/food/meat_dishes.json b/data/json/recipes/food/meat_dishes.json
@@ -952,7 +952,7 @@
     "book_learn": [ [ "vacuum_sealing", 1 ] ],
     "qualities": [ { "id": "CUT", "level": 2 }, { "id": "COOK", "level": 3 } ],
     "proficiencies": [ { "proficiency": "prof_preservation" } ],
-    "using": [ [ "vacuum_sealing_standard", 1, "LIST" ] ],
+    "using": [ [ "vacuum_sealing_standard", 1 ] ],
     "//": "since vacuum sealed meat is cooked, need 40u surface_heat - sealing in salt is not sufficient to cook it",
     "components": [
       [
diff --git a/data/json/recipes/food/vegetable_dishes.json b/data/json/recipes/food/vegetable_dishes.json
@@ -842,7 +842,7 @@
     "book_learn": [ [ "vacuum_sealing", 1 ] ],
     "qualities": [ { "id": "CUT", "level": 2 }, { "id": "COOK", "level": 3 } ],
     "proficiencies": [ { "proficiency": "prof_preservation" } ],
-    "using": [ [ "vacuum_sealing_standard", 1, "LIST" ] ],
+    "using": [ [ "vacuum_sealing_standard", 1 ] ],
     "components": [ [ [ "veggy_any_uncooked", 2, "LIST" ] ], [ [ "salt_preservation", 2, "LIST" ] ] ]
   },
   {
diff --git a/data/json/recipes/recipe_others.json b/data/json/recipes/recipe_others.json
@@ -3089,7 +3089,7 @@
     "autolearn": true,
     "proficiencies": [ { "proficiency": "prof_carpentry_basic" } ],
     "qualities": [ { "id": "HAMMER", "level": 2 }, { "id": "SAW_W", "level": 2 } ],
-    "using": [ [ "marking_hard", 1, "LIST" ] ],
+    "using": [ [ "marking_hard", 1 ] ],
     "components": [
       [ [ "wood_panel", 1 ] ],
       [ [ "2x4", 2 ] ],
@@ -3245,7 +3245,7 @@
     "skill_used": "fabrication",
     "time": "8 m",
     "autolearn": true,
-    "using": [ [ "fabric_standard", 200 ], [ "marking_hard", 1, "LIST" ] ],
+    "using": [ [ "fabric_standard", 200 ], [ "marking_hard", 1 ] ],
     "components": [ [ [ "box_medium", 1 ] ] ]
   },
   {
@@ -3296,7 +3296,7 @@
     "//1": "80 cm weld",
     "qualities": [ { "id": "SAW_M", "level": 2 } ],
     "tools": [ [ [ "swage", -1 ] ] ],
-    "using": [ [ "steel_standard", 2 ], [ "welding_standard", 80, "LIST" ], [ "blacksmithing_standard", 8 ] ],
+    "using": [ [ "steel_standard", 2 ], [ "welding_standard", 80 ], [ "blacksmithing_standard", 8 ] ],
     "components": [ [ [ "pipe", 2 ] ], [ [ "grip_hook", 1 ] ], [ [ "sheet_metal_small", 8 ] ] ]
   },
   {
diff --git a/data/mods/MindOverMatter/mod_interactions/innawood/recipes.json b/data/mods/MindOverMatter/mod_interactions/innawood/recipes.json
@@ -53,7 +53,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_biokin_dust", 3 ] ] ],
     "flags": [ "BLIND_HARD" ]
   },
@@ -75,7 +75,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_clair_dust", 3 ] ] ],
     "flags": [ "BLIND_HARD" ]
   },
@@ -97,7 +97,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_electrokin_dust", 3 ] ] ],
     "flags": [ "BLIND_HARD" ]
   },
@@ -119,7 +119,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_photokin_dust", 3 ] ] ],
     "flags": [ "BLIND_HARD" ]
   },
@@ -141,7 +141,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_pyrokin_dust", 3 ] ] ],
     "flags": [ "BLIND_HARD" ]
   },
@@ -163,7 +163,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_telekin_dust", 3 ] ] ],
     "flags": [ "BLIND_HARD" ]
   },
@@ -185,7 +185,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_telepath_dust", 3 ] ] ],
     "flags": [ "BLIND_HARD" ]
   },
@@ -207,7 +207,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_teleport_dust", 3 ] ] ],
     "flags": [ "BLIND_HARD" ]
   },
@@ -229,7 +229,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_vitakin_dust", 3 ] ] ],
     "flags": [ "BLIND_HARD" ]
   },
@@ -251,7 +251,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_drained_dust", 3 ] ] ],
     "flags": [ "BLIND_HARD" ]
   }
diff --git a/data/mods/MindOverMatter/obsolete/recipes.json b/data/mods/MindOverMatter/obsolete/recipes.json
@@ -64,7 +64,7 @@
     "autolearn": false,
     "proficiencies": [ { "proficiency": "prof_matrix_technology_beginner", "required": false } ],
     "qualities": [ { "id": "SAW_M", "level": 1 }, { "id": "MATRIX_CHANNEL", "level": 1 } ],
-    "using": [ [ "volatile_explosive", 20, "LIST" ], [ "explosives_casting_standard", 1 ] ],
+    "using": [ [ "volatile_explosive", 20 ], [ "explosives_casting_standard", 1 ] ],
     "components": [
       [ [ "fuse", 1 ] ],
       [ [ "glue_strong", 4 ], [ "duct_tape", 75 ], [ "cordage", 1, "LIST" ] ],
diff --git a/data/mods/MindOverMatter/recipes/chemistry.json b/data/mods/MindOverMatter/recipes/chemistry.json
@@ -41,7 +41,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_biokin_dust", 3 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
   },
@@ -76,7 +76,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_clair_dust", 3 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
   },
@@ -111,7 +111,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_electrokin_dust", 3 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
   },
@@ -146,7 +146,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_photokin_dust", 3 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
   },
@@ -181,7 +181,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_pyrokin_dust", 3 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
   },
@@ -216,7 +216,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_telekin_dust", 3 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
   },
@@ -251,7 +251,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_telepath_dust", 3 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
   },
@@ -286,7 +286,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_teleport_dust", 3 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
   },
@@ -321,7 +321,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_vitakin_dust", 3 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
   },
@@ -356,7 +356,7 @@
       { "proficiency": "prof_intro_chemistry", "required": false },
       { "proficiency": "prof_inorganic_chemistry", "required": false }
     ],
-    "using": [ [ "any_strong_acid", 2, "LIST" ], [ "surface_heat", 30, "LIST" ] ],
+    "using": [ [ "any_strong_acid", 2 ], [ "surface_heat", 30 ] ],
     "components": [ [ [ "matrix_crystal_drained_dust", 3 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
   }
diff --git a/data/mods/MindOverMatter/recipes/medical.json b/data/mods/MindOverMatter/recipes/medical.json
@@ -82,7 +82,7 @@
       { "proficiency": "prof_psionic_containment", "required": false },
       { "proficiency": "prof_psionic_warping", "required": false }
     ],
-    "using": [ [ "serum_production_standard", 25 ], [ "matrix_dust_refined", 4, "LIST" ] ],
+    "using": [ [ "serum_production_standard", 25 ], [ "matrix_dust_refined", 4 ] ],
     "qualities": [ { "id": "MATRIX_CHANNEL", "level": 1 }, { "id": "MATRIX_FOCUS", "level": 1 } ],
     "components": [ [ [ "psionic_serum_base", 3 ] ], [ [ "thorazine", 2 ] ] ],
     "flags": [ "SECRET", "BLIND_HARD" ]
diff --git a/data/mods/MindOverMatter/recipes/weapons.json b/data/mods/MindOverMatter/recipes/weapons.json
@@ -14,7 +14,7 @@
     "book_learn": [ [ "schematics_grenade_inferno", 3 ] ],
     "proficiencies": [ { "proficiency": "prof_matrix_technology_beginner", "required": false }, { "proficiency": "prof_handloading" } ],
     "qualities": [ { "id": "SAW_M", "level": 1 } ],
-    "using": [ [ "volatile_explosive", 20, "LIST" ] ],
+    "using": [ [ "volatile_explosive", 20 ] ],
     "components": [
       [ [ "fuse", 1 ] ],
       [ [ "glue_strong", 4 ], [ "duct_tape", 75 ], [ "cordage", 1, "LIST" ] ],
diff --git a/data/mods/innawood/recipes/electronic_parts.json b/data/mods/innawood/recipes/electronic_parts.json
@@ -11,7 +11,7 @@
     "time": "30 m",
     "autolearn": true,
     "flags": [ "FULL_MAGAZINE" ],
-    "using": [ [ "surface_heat", 10, "LIST" ], [ "glazing", 2 ], [ "earthenware_firing", 120 ] ],
+    "using": [ [ "surface_heat", 10 ], [ "glazing", 2 ], [ "earthenware_firing", 120 ] ],
     "proficiencies": [ { "proficiency": "prof_plasticworking" } ],
     "qualities": [ { "id": "SCREW", "level": 1 } ],
     "components": [
diff --git a/src/recipe.cpp b/src/recipe.cpp
@@ -321,16 +321,7 @@ void recipe::load( const JsonObject &jo, const std::string &src )
         flags_to_delete = jo.get_tags<flag_id>( "delete_flags" );
     }
 
-    // recipes not specifying any external requirements inherit from their parent recipe (if any)
-    if( jo.has_string( "using" ) ) {
-        reqs_external = { { requirement_id( jo.get_string( "using" ) ), 1 } };
-
-    } else if( jo.has_array( "using" ) ) {
-        reqs_external.clear();
-        for( JsonArray cur : jo.get_array( "using" ) ) {
-            reqs_external.emplace_back( requirement_id( cur.get_string( 0 ) ), cur.get_int( 1 ) );
-        }
-    }
+    optional( jo, was_loaded, "using", reqs_external, weighted_string_id_reader<requirement_id, int> { 1 } );
 
     // inline requirements are always replaced (cannot be inherited)
     reqs_internal.clear();

Original file line number	Diff line number	Diff line change
`@@ -752,7 +752,7 @@`
`752`	`752`	`"book_learn": [ [ "vacuum_sealing", 1 ] ],`
`753`	`753`	`"qualities": [ { "id": "CUT", "level": 2 }, { "id": "COOK", "level": 3 } ],`
`754`	`754`	`"proficiencies": [ { "proficiency": "prof_preservation" } ],`
`755`		`- "using": [ [ "vacuum_sealing_standard", 1, "LIST" ] ],`
	`755`	`+ "using": [ [ "vacuum_sealing_standard", 1 ] ],`
`756`	`756`	`"components": [ [ [ "fish", 5 ] ], [ [ "salt_preservation", 5, "LIST" ] ] ]`
`757`	`757`	`},`
`758`	`758`	`{`
Original file line number	Diff line number	Diff line change
`@@ -285,7 +285,7 @@`
`285`	`285`	`"book_learn": [ [ "vacuum_sealing", 1 ] ],`
`286`	`286`	`"qualities": [ { "id": "CUT", "level": 2 }, { "id": "COOK", "level": 3 } ],`
`287`	`287`	`"proficiencies": [ { "proficiency": "prof_preservation" } ],`
`288`		`- "using": [ [ "vacuum_sealing_standard", 1, "LIST" ] ],`
	`288`	`+ "using": [ [ "vacuum_sealing_standard", 1 ] ],`
`289`	`289`	`"components": [ [ [ "curing_roe", 2 ] ] ]`
`290`	`290`	`},`
`291`	`291`	`{`
Original file line number	Diff line number	Diff line change
`@@ -70,7 +70,7 @@`
`70`	`70`	`"book_learn": [ [ "vacuum_sealing", 1 ] ],`
`71`	`71`	`"qualities": [ { "id": "CUT", "level": 2 }, { "id": "COOK", "level": 3 } ],`
`72`	`72`	`"proficiencies": [ { "proficiency": "prof_preservation" } ],`
`73`		`- "using": [ [ "vacuum_sealing_standard", 1, "LIST" ] ],`
	`73`	`+ "using": [ [ "vacuum_sealing_standard", 1 ] ],`
`74`	`74`	`"components": [ [ [ "water_clean", 1 ] ], [ [ "sweet_fruit", 4, "LIST" ] ], [ [ "sugar_standard", 1, "LIST" ] ] ]`
`75`	`75`	`},`
`76`	`76`	`{`
Original file line number	Diff line number	Diff line change
`@@ -952,7 +952,7 @@`
`952`	`952`	`"book_learn": [ [ "vacuum_sealing", 1 ] ],`
`953`	`953`	`"qualities": [ { "id": "CUT", "level": 2 }, { "id": "COOK", "level": 3 } ],`
`954`	`954`	`"proficiencies": [ { "proficiency": "prof_preservation" } ],`
`955`		`- "using": [ [ "vacuum_sealing_standard", 1, "LIST" ] ],`
	`955`	`+ "using": [ [ "vacuum_sealing_standard", 1 ] ],`
`956`	`956`	`"//": "since vacuum sealed meat is cooked, need 40u surface_heat - sealing in salt is not sufficient to cook it",`
`957`	`957`	`"components": [`
`958`	`958`	`[`
Original file line number	Diff line number	Diff line change
`@@ -842,7 +842,7 @@`
`842`	`842`	`"book_learn": [ [ "vacuum_sealing", 1 ] ],`
`843`	`843`	`"qualities": [ { "id": "CUT", "level": 2 }, { "id": "COOK", "level": 3 } ],`
`844`	`844`	`"proficiencies": [ { "proficiency": "prof_preservation" } ],`
`845`		`- "using": [ [ "vacuum_sealing_standard", 1, "LIST" ] ],`
	`845`	`+ "using": [ [ "vacuum_sealing_standard", 1 ] ],`
`846`	`846`	`"components": [ [ [ "veggy_any_uncooked", 2, "LIST" ] ], [ [ "salt_preservation", 2, "LIST" ] ] ]`
`847`	`847`	`},`
`848`	`848`	`{`