diff --git a/CHANGES.txt b/CHANGES.txt
index 08c0f4592..decdf3d1a 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,13 @@
 Summary of changes to citeproc-js since version 1.0.0 release.
 
 
+==========================
+Changes in version 1.1.192
+==========================
+
+- Handle Chicago-style page-n-note pinpoint ranges a little
+  better.
+
 ==========================
 Changes in version 1.1.191
 ==========================
diff --git a/citeproc.js b/citeproc.js
index fe87da486..741504f17 100644
--- a/citeproc.js
+++ b/citeproc.js
@@ -24,7 +24,7 @@
  */
 
 var CSL = {
-    PROCESSOR_VERSION: "1.1.191",
+    PROCESSOR_VERSION: "1.1.192",
     CONDITION_LEVEL_TOP: 1,
     CONDITION_LEVEL_BOTTOM: 2,
     PLAIN_HYPHEN_REGEX: /(?:[^\\]-|\u2013)/,
@@ -13911,9 +13911,9 @@ CSL.Engine.prototype.processNumber = function (node, ItemObject, variable, type)
             info.plural = 0;
             info.labelVisibility = false;
         }
-        var m = val.match(/^([a-zA-Z0]*)([0-9]+(?:[a-zA-Z]*|[-,a-zA-Z]+))$/);
+        var m = val.match(/^([0-9]*[a-zA-Z]+0*)?([0-9]+(?:[a-zA-Z]*|[-,a-zA-Z]+))$/);
         if (m) {
-            info.particle = m[1];
+            info.particle = m[1] ? m[1] : "";
             info.value = m[2];
         } else {
             info.particle = "";
@@ -14210,7 +14210,7 @@ CSL.Engine.prototype.processNumber = function (node, ItemObject, variable, type)
         } else {
             str = values[i-1].value + stripHyphenBackslash(values[i-1].joiningSuffix) + values[i].value;
         }
-        var m = str.match(/^([a-zA-Z]?0*)([0-9]+)(\s*[^0-9]+\s*)([-,a-zA-Z]?0*)([0-9]+)$/);
+        var m = str.match(/^((?:[0-9]*[a-zA-Z]+0*))?([0-9]+)(\s*[^0-9]+\s*)([-,a-zA-Z]?0*)([0-9]+)$/);
         if (m) {
             var rangeDelimiter = m[3];
             rangeDelimiter = fixupRangeDelimiter(variable, val, rangeDelimiter, values[i].numeric);
@@ -14384,7 +14384,7 @@ CSL.Util.outputNumericField = function(state, varname, itemID) {
             }
         }
         if (num.collapsible) {
-            if (num.value.match(/^[0-9]+$/)) {
+            if (num.value.match(/^[1-9][0-9]*$/)) {
                 var blob = new CSL.NumericBlob(num.particle, parseInt(num.value, 10), numStyling, itemID);
             } else {
                 var blob = new CSL.NumericBlob(num.particle, num.value, numStyling, itemID);
@@ -14415,7 +14415,7 @@ CSL.Util.PageRangeMangler = {};
 CSL.Util.PageRangeMangler.getFunction = function (state, rangeType) {
     var rangerex, pos, len, stringify, listify, expand, minimize, minimize_internal, chicago, lst, m, b, e, ret, begin, end, ret_func, ppos, llen;
     var range_delimiter = state.getTerm(rangeType + "-range-delimiter");
-    rangerex = /([a-zA-Z]*)([0-9]+)\s*(?:\u2013|-)\s*([a-zA-Z]*)([0-9]+)/;
+    rangerex = /([0-9]*[a-zA-Z]+0*)?([0-9]+)\s*(?:\u2013|-)\s*([0-9]*[a-zA-Z]+0*)?([0-9]+)/;
     stringify = function (lst) {
         len = lst.length;
         for (pos = 1; pos < len; pos += 2) {
@@ -14433,8 +14433,8 @@ CSL.Util.PageRangeMangler.getFunction = function (state, rangeType) {
         var this_range_delimiter = range_delimiter === "-" ? "" : range_delimiter;
         var delimRex = new RegExp("([^\\\\])[-" + this_range_delimiter + "\\u2013]", "g");
         str = str.replace(delimRex, "$1 - ").replace(/\s+-\s+/g, " - ");
-        var rexm = new RegExp("([a-zA-Z]*[0-9]+" + hyphens + "[a-zA-Z]*[0-9]+)", "g");
-        var rexlst = new RegExp("[a-zA-Z]*[0-9]+" + hyphens + "[a-zA-Z]*[0-9]+");
+        var rexm = new RegExp("((?:[0-9]*[a-zA-Z]+0*)?[0-9]+" + hyphens + "(?:[0-9]*[a-zA-Z]+0*)?[0-9]+)", "g");
+        var rexlst = new RegExp("(?:[0-9]*[a-zA-Z]+0*)?[0-9]+" + hyphens + "(?:[0-9]*[a-zA-Z]+0*)?[0-9]+");
         m = str.match(rexm);
         lst = str.split(rexlst);
         if (lst.length === 0) {
@@ -14460,7 +14460,7 @@ CSL.Util.PageRangeMangler.getFunction = function (state, rangeType) {
                         m[4] = m[2].slice(0, (m[2].length - m[4].length)) + m[4];
                     }
                     if (parseInt(m[2], 10) < parseInt(m[4], 10)) {
-                        m[3] = range_delimiter + m[1];
+                        m[3] = range_delimiter + (m[1] ? m[1] : "");
                         lst[pos] = m.slice(1);
                     }
                 }
diff --git a/citeproc_commonjs.js b/citeproc_commonjs.js
index 6b81b6878..931211072 100644
--- a/citeproc_commonjs.js
+++ b/citeproc_commonjs.js
@@ -24,7 +24,7 @@
  */
 
 var CSL = {
-    PROCESSOR_VERSION: "1.1.191",
+    PROCESSOR_VERSION: "1.1.192",
     CONDITION_LEVEL_TOP: 1,
     CONDITION_LEVEL_BOTTOM: 2,
     PLAIN_HYPHEN_REGEX: /(?:[^\\]-|\u2013)/,
@@ -13990,9 +13990,9 @@ CSL.Engine.prototype.processNumber = function (node, ItemObject, variable, type)
             info.plural = 0;
             info.labelVisibility = false;
         }
-        var m = val.match(/^([a-zA-Z0]*)([0-9]+(?:[a-zA-Z]*|[-,a-zA-Z]+))$/);
+        var m = val.match(/^([0-9]*[a-zA-Z]+0*)?([0-9]+(?:[a-zA-Z]*|[-,a-zA-Z]+))$/);
         if (m) {
-            info.particle = m[1];
+            info.particle = m[1] ? m[1] : "";
             info.value = m[2];
         } else {
             info.particle = "";
@@ -14289,7 +14289,7 @@ CSL.Engine.prototype.processNumber = function (node, ItemObject, variable, type)
         } else {
             str = values[i-1].value + stripHyphenBackslash(values[i-1].joiningSuffix) + values[i].value;
         }
-        var m = str.match(/^([a-zA-Z]?0*)([0-9]+)(\s*[^0-9]+\s*)([-,a-zA-Z]?0*)([0-9]+)$/);
+        var m = str.match(/^((?:[0-9]*[a-zA-Z]+0*))?([0-9]+)(\s*[^0-9]+\s*)([-,a-zA-Z]?0*)([0-9]+)$/);
         if (m) {
             var rangeDelimiter = m[3];
             rangeDelimiter = fixupRangeDelimiter(variable, val, rangeDelimiter, values[i].numeric);
@@ -14463,7 +14463,7 @@ CSL.Util.outputNumericField = function(state, varname, itemID) {
             }
         }
         if (num.collapsible) {
-            if (num.value.match(/^[0-9]+$/)) {
+            if (num.value.match(/^[1-9][0-9]*$/)) {
                 var blob = new CSL.NumericBlob(num.particle, parseInt(num.value, 10), numStyling, itemID);
             } else {
                 var blob = new CSL.NumericBlob(num.particle, num.value, numStyling, itemID);
@@ -14495,7 +14495,7 @@ CSL.Util.PageRangeMangler = {};
 CSL.Util.PageRangeMangler.getFunction = function (state, rangeType) {
     var rangerex, pos, len, stringify, listify, expand, minimize, minimize_internal, chicago, lst, m, b, e, ret, begin, end, ret_func, ppos, llen;
     var range_delimiter = state.getTerm(rangeType + "-range-delimiter");
-    rangerex = /([a-zA-Z]*)([0-9]+)\s*(?:\u2013|-)\s*([a-zA-Z]*)([0-9]+)/;
+    rangerex = /([0-9]*[a-zA-Z]+0*)?([0-9]+)\s*(?:\u2013|-)\s*([0-9]*[a-zA-Z]+0*)?([0-9]+)/;
     stringify = function (lst) {
         len = lst.length;
         for (pos = 1; pos < len; pos += 2) {
@@ -14513,8 +14513,8 @@ CSL.Util.PageRangeMangler.getFunction = function (state, rangeType) {
         var this_range_delimiter = range_delimiter === "-" ? "" : range_delimiter;
         var delimRex = new RegExp("([^\\\\])[-" + this_range_delimiter + "\\u2013]", "g");
         str = str.replace(delimRex, "$1 - ").replace(/\s+-\s+/g, " - ");
-        var rexm = new RegExp("([a-zA-Z]*[0-9]+" + hyphens + "[a-zA-Z]*[0-9]+)", "g");
-        var rexlst = new RegExp("[a-zA-Z]*[0-9]+" + hyphens + "[a-zA-Z]*[0-9]+");
+        var rexm = new RegExp("((?:[0-9]*[a-zA-Z]+0*)?[0-9]+" + hyphens + "(?:[0-9]*[a-zA-Z]+0*)?[0-9]+)", "g");
+        var rexlst = new RegExp("(?:[0-9]*[a-zA-Z]+0*)?[0-9]+" + hyphens + "(?:[0-9]*[a-zA-Z]+0*)?[0-9]+");
         m = str.match(rexm);
         lst = str.split(rexlst);
         if (lst.length === 0) {
@@ -14540,7 +14540,7 @@ CSL.Util.PageRangeMangler.getFunction = function (state, rangeType) {
                         m[4] = m[2].slice(0, (m[2].length - m[4].length)) + m[4];
                     }
                     if (parseInt(m[2], 10) < parseInt(m[4], 10)) {
-                        m[3] = range_delimiter + m[1];
+                        m[3] = range_delimiter + (m[1] ? m[1] : "");
                         lst[pos] = m.slice(1);
                     }
                 }
diff --git a/citeproc_with_e4x.js b/citeproc_with_e4x.js
index 5e22513b1..acd145fcb 100644
--- a/citeproc_with_e4x.js
+++ b/citeproc_with_e4x.js
@@ -24,7 +24,7 @@
  */
 
 var CSL = {
-    PROCESSOR_VERSION: "1.1.191",
+    PROCESSOR_VERSION: "1.1.192",
     CONDITION_LEVEL_TOP: 1,
     CONDITION_LEVEL_BOTTOM: 2,
     PLAIN_HYPHEN_REGEX: /(?:[^\\]-|\u2013)/,
@@ -13912,9 +13912,9 @@ CSL.Engine.prototype.processNumber = function (node, ItemObject, variable, type)
             info.plural = 0;
             info.labelVisibility = false;
         }
-        var m = val.match(/^([a-zA-Z0]*)([0-9]+(?:[a-zA-Z]*|[-,a-zA-Z]+))$/);
+        var m = val.match(/^([0-9]*[a-zA-Z]+0*)?([0-9]+(?:[a-zA-Z]*|[-,a-zA-Z]+))$/);
         if (m) {
-            info.particle = m[1];
+            info.particle = m[1] ? m[1] : "";
             info.value = m[2];
         } else {
             info.particle = "";
@@ -14211,7 +14211,7 @@ CSL.Engine.prototype.processNumber = function (node, ItemObject, variable, type)
         } else {
             str = values[i-1].value + stripHyphenBackslash(values[i-1].joiningSuffix) + values[i].value;
         }
-        var m = str.match(/^([a-zA-Z]?0*)([0-9]+)(\s*[^0-9]+\s*)([-,a-zA-Z]?0*)([0-9]+)$/);
+        var m = str.match(/^((?:[0-9]*[a-zA-Z]+0*))?([0-9]+)(\s*[^0-9]+\s*)([-,a-zA-Z]?0*)([0-9]+)$/);
         if (m) {
             var rangeDelimiter = m[3];
             rangeDelimiter = fixupRangeDelimiter(variable, val, rangeDelimiter, values[i].numeric);
@@ -14385,7 +14385,7 @@ CSL.Util.outputNumericField = function(state, varname, itemID) {
             }
         }
         if (num.collapsible) {
-            if (num.value.match(/^[0-9]+$/)) {
+            if (num.value.match(/^[1-9][0-9]*$/)) {
                 var blob = new CSL.NumericBlob(num.particle, parseInt(num.value, 10), numStyling, itemID);
             } else {
                 var blob = new CSL.NumericBlob(num.particle, num.value, numStyling, itemID);
@@ -14416,7 +14416,7 @@ CSL.Util.PageRangeMangler = {};
 CSL.Util.PageRangeMangler.getFunction = function (state, rangeType) {
     var rangerex, pos, len, stringify, listify, expand, minimize, minimize_internal, chicago, lst, m, b, e, ret, begin, end, ret_func, ppos, llen;
     var range_delimiter = state.getTerm(rangeType + "-range-delimiter");
-    rangerex = /([a-zA-Z]*)([0-9]+)\s*(?:\u2013|-)\s*([a-zA-Z]*)([0-9]+)/;
+    rangerex = /([0-9]*[a-zA-Z]+0*)?([0-9]+)\s*(?:\u2013|-)\s*([0-9]*[a-zA-Z]+0*)?([0-9]+)/;
     stringify = function (lst) {
         len = lst.length;
         for (pos = 1; pos < len; pos += 2) {
@@ -14434,8 +14434,8 @@ CSL.Util.PageRangeMangler.getFunction = function (state, rangeType) {
         var this_range_delimiter = range_delimiter === "-" ? "" : range_delimiter;
         var delimRex = new RegExp("([^\\\\])[-" + this_range_delimiter + "\\u2013]", "g");
         str = str.replace(delimRex, "$1 - ").replace(/\s+-\s+/g, " - ");
-        var rexm = new RegExp("([a-zA-Z]*[0-9]+" + hyphens + "[a-zA-Z]*[0-9]+)", "g");
-        var rexlst = new RegExp("[a-zA-Z]*[0-9]+" + hyphens + "[a-zA-Z]*[0-9]+");
+        var rexm = new RegExp("((?:[0-9]*[a-zA-Z]+0*)?[0-9]+" + hyphens + "(?:[0-9]*[a-zA-Z]+0*)?[0-9]+)", "g");
+        var rexlst = new RegExp("(?:[0-9]*[a-zA-Z]+0*)?[0-9]+" + hyphens + "(?:[0-9]*[a-zA-Z]+0*)?[0-9]+");
         m = str.match(rexm);
         lst = str.split(rexlst);
         if (lst.length === 0) {
@@ -14461,7 +14461,7 @@ CSL.Util.PageRangeMangler.getFunction = function (state, rangeType) {
                         m[4] = m[2].slice(0, (m[2].length - m[4].length)) + m[4];
                     }
                     if (parseInt(m[2], 10) < parseInt(m[4], 10)) {
-                        m[3] = range_delimiter + m[1];
+                        m[3] = range_delimiter + (m[1] ? m[1] : "");
                         lst[pos] = m.slice(1);
                     }
                 }
diff --git a/package.json b/package.json
index a0834f2f2..21575b764 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "citeproc",
-  "version": "2.1.191",
-  "description": "The citeproc-js citation formatting module, in CommonJS format. This version is based on citeproc-js 1.1.191.",
+  "version": "2.1.192",
+  "description": "The citeproc-js citation formatting module, in CommonJS format. This version is based on citeproc-js 1.1.192.",
   "main": "citeproc_commonjs.js",
   "repository": {
     "type" : "git",
diff --git a/src/load.js b/src/load.js
index 3ad0ac610..d01e132af 100644
--- a/src/load.js
+++ b/src/load.js
@@ -35,7 +35,7 @@
 
 var CSL = {
 
-    PROCESSOR_VERSION: "1.1.191",
+    PROCESSOR_VERSION: "1.1.192",
 
     CONDITION_LEVEL_TOP: 1,