diff --git a/chrome/content/zotero/xpcom/citeproc.js b/chrome/content/zotero/xpcom/citeproc.js
index 3e817f4cbe..c21957b6f5 100644
--- a/chrome/content/zotero/xpcom/citeproc.js
+++ b/chrome/content/zotero/xpcom/citeproc.js
@@ -57,7 +57,7 @@ if (!Array.indexOf) {
     };
 }
 var CSL = {
-    PROCESSOR_VERSION: "1.0.351",
+    PROCESSOR_VERSION: "1.0.353",
     STATUTE_SUBDIV_GROUPED_REGEX: /((?:^| )(?:art|ch|Ch|subch|p|pp|para|subpara|pt|r|sec|subsec|Sec|sch|tit)\.)/g,
     STATUTE_SUBDIV_PLAIN_REGEX: /(?:(?:^| )(?:art|ch|Ch|subch|p|pp|para|subpara|pt|r|sec|subsec|Sec|sch|tit)\.)/,
     STATUTE_SUBDIV_STRINGS: {
@@ -9590,7 +9590,7 @@ CSL.Transform = function (state) {
                         secondary_tok.strings.prefix = " ";
                     }
                     for (var i = secondary_tok.decorations.length - 1; i > -1; i += -1) {
-                        if (secondary_tok.decorations[i][0] === '@quotes') {
+                        if (['@quotes/true','@font-style/italic','@font-style/oblique','@font-weight/bold'].indexOf(secondary_tok.decorations[i].join('/')) > -1) {
                             secondary_tok.decorations = secondary_tok.decorations.slice(0, i).concat(secondary_tok.decorations.slice(i + 1))
                         }
                     }
@@ -9604,7 +9604,7 @@ CSL.Transform = function (state) {
                         tertiary_tok.strings.prefix = " ";
                     }
                     for (var i = tertiary_tok.decorations.length - 1; i > -1; i += -1) {
-                        if (tertiary_tok.decorations[i][0] === '@quotes') {
+                        if (['@quotes/true','@font-style/italic','@font-style/oblique','@font-weight/bold'].indexOf(tertiary_tok.decorations[i].join('/')) > -1) {
                             tertiary_tok.decorations = tertiary_tok.decorations.slice(0, i).concat(tertiary_tok.decorations.slice(i + 1))
                         }
                     }
@@ -10531,66 +10531,83 @@ CSL.Util.Dates.year.numeric = function (state, num) {
     }
     return (pre + num);
 };
-CSL.Util.Dates.month = {};
-CSL.Util.Dates.month.numeric = function (state, num) {
-    if (num) {
-        num = parseInt(num, 10);
-        if (num > 12) {
-            num = "";
-        }
-    }
-    var ret = "" + num;
-    return ret;
-};
-CSL.Util.Dates.month["numeric-leading-zeros"] = function (state, num) {
+CSL.Util.Dates.normalizeMonth = function (num, useSeason) {
+    var ret;
     if (!num) {
         num = 0;
     }
-    num = parseInt(num, 10);
-    if (num > 12) {
+    num = "" + num;
+    if (!num.match(/^[0-9]+$/)) {
         num = 0;
     }
-    num = "" + num;
-    while (num.length < 2) {
-        num = "0" + num;
+    num = parseInt(num, 10);
+    if (useSeason) {
+        var res = {stub: "month-", num: num};
+        if (res.num < 1 || res.num > 20) {
+            res.num = 0;
+        } else if (res.num > 16) {
+            res.stub = "season-";
+            res.num = res.num - 16;
+        } else if (res.num > 12) {
+            res.stub = "season-";
+            res.num = res.num - 12;
+        }
+        ret = res;
+    } else {
+        if (num < 1 || num > 12) {
+            num = 0;
+        }
+        ret = num;
     }
-    return num.toString();
+    return ret;
+}
+CSL.Util.Dates.month = {};
+CSL.Util.Dates.month.numeric = function (state, num) {
+    var num = CSL.Util.Dates.normalizeMonth(num);
+    if (!num) {
+        num = "";
+    }
+    return num;
+};
+CSL.Util.Dates.month["numeric-leading-zeros"] = function (state, num) {
+    var num = CSL.Util.Dates.normalizeMonth(num);
+    if (!num) {
+        num = "";
+    } else {
+        num = "" + num;
+        while (num.length < 2) {
+            num = "0" + num;
+        }
+    }
+    return num;
 };
 CSL.Util.Dates.month["long"] = function (state, num) {
-    var stub = "month-";
-    num = parseInt(num, 10);
-    if (num > 12) {
-        stub = "season-";
-        if (num > 16) {
-            num = num - 16;
-        } else {
-            num = num - 12;
+    var res = CSL.Util.Dates.normalizeMonth(num, true);
+    var num = res.num;
+    if (!num) {
+        num = "";
+    } else {
+        num = "" + num;
+        while (num.length < 2) {
+            num = "0" + num;
         }
+        num = state.getTerm(res.stub + num, "long", 0);
     }
-    num = "" + num;
-    while (num.length < 2) {
-        num = "0" + num;
-    }
-    num = stub + num;
-    return state.getTerm(num, "long", 0);
+    return num;
 };
 CSL.Util.Dates.month["short"] = function (state, num) {
-    var stub = "month-";
-    num = parseInt(num, 10);
-    if (num > 12) {
-        stub = "season-";
-        if (num > 16) {
-            num = num - 16;
-        } else {
-            num = num - 12;
+    var res = CSL.Util.Dates.normalizeMonth(num, true);
+    var num = res.num;
+    if (!num) {
+        num = "";
+    } else {
+        num = "" + num;
+        while (num.length < 2) {
+            num = "0" + num;
         }
+        num = state.getTerm(res.stub + num, "short", 0);
     }
-    num = "" + num;
-    while (num.length < 2) {
-        num = "0" + num;
-    }
-    num = "month-" + num;
-    return state.getTerm(num, "short", 0);
+    return num;
 };
 CSL.Util.Dates.day = {};
 CSL.Util.Dates.day.numeric = function (state, num) {