Add ability to show the square threshold in the rule name

data/core.yaml

@@ -1444,7 +1444,7 @@ en:
           message: "{feature} has no outlet"
           reference: "One-way roads must lead to other roads."
     unsquare_way:
-      title: Unsquare Corners
+      title: "Unsquare Corners (up to {val}°)"
       message: "{feature} has unsquare corners"
       tip: "Find features with unsquare corners that can be drawn better"
       buildings:

dist/locales/en.json

@@ -1790,7 +1790,7 @@
                 }
             },
             "unsquare_way": {
-                "title": "Unsquare Corners",
+                "title": "Unsquare Corners (up to {val}°)",
                 "message": "{feature} has unsquare corners",
                 "tip": "Find features with unsquare corners that can be drawn better",
                 "buildings": {

modules/ui/issues.js

@@ -564,7 +564,13 @@ export function uiIssues(context) {
 
         label
             .append('span')
-            .text(function(d) { return t('issues.' + d + '.title'); });
+            .text(function(d) {
+                var params = {};
+                if (d === 'unsquare_way') {
+                    params.val = 6.5;
+                }
+                return t('issues.' + d + '.title', params);
+            });
 
         // Update
         items = items