Fix #1483; time parsing with padding modifier.

d3.js

@@ -8531,12 +8531,13 @@ d3 = function() {
     return format;
   }
   function d3_time_parse(date, template, string, j) {
-    var c, p, i = 0, n = template.length, m = string.length;
+    var c, p, t, i = 0, n = template.length, m = string.length;
     while (i < n) {
       if (j >= m) return -1;
       c = template.charCodeAt(i++);
       if (c === 37) {
-        p = d3_time_parsers[template.charAt(i++)];
+        t = template.charAt(i++);
+        p = d3_time_parsers[t === "0" || t === "_" || t === "-" ? template.charAt(i++) : t];
         if (!p || (j = p(date, string, j)) < 0) return -1;
       } else if (c != string.charCodeAt(j++)) {
         return -1;

src/time/format.js

@@ -60,6 +60,7 @@ function d3_time_format(template) {
 function d3_time_parse(date, template, string, j) {
   var c,
       p,
+      t,
       i = 0,
       n = template.length,
       m = string.length;
@@ -67,7 +68,8 @@ function d3_time_parse(date, template, string, j) {
     if (j >= m) return -1;
     c = template.charCodeAt(i++);
     if (c === 37) {
-      p = d3_time_parsers[template.charAt(i++)];
+      t = template.charAt(i++);
+      p = d3_time_parsers[t === "0" || t === "_" || t === "-" ? template.charAt(i++) : t];
       if (!p || ((j = p(date, string, j)) < 0)) return -1;
     } else if (c != string.charCodeAt(j++)) {
       return -1;

test/time/format-test.js

@@ -284,6 +284,10 @@ suite.addBatch({
         assert.deepEqual(p("% 02/03/1991"), local(1991, 1, 3));
         assert.isNull(p("%% 03/10/2010"));
       },
+      "parses padding modifier": function(format) {
+        var p = format("%-m/%0d/%_Y").parse;
+        assert.deepEqual(p("01/ 1/1990"), local(1990, 0, 1));
+      },
       "doesn't crash when given weird strings": function(format) {
         try {
           Object.prototype.foo = 10;