diff --git a/bits/77_wbxml.js b/bits/77_wbxml.js
index ba48dfe..d94c514 100644
--- a/bits/77_wbxml.js
+++ b/bits/77_wbxml.js
@@ -154,24 +154,20 @@ function write_wb_xml(wb, opts) {
     for(var i = 0; i != wb.SheetNames.length; ++i) {
       var sheetName = wb.SheetNames[i];
       var sheet = wb.Sheets[sheetName]
-      if (sheet['!printHeader'])
-        var range = "'" + sheetName + "'!" + sheet['!printHeader'];
-      console.log("!!!!"+range)
+      if (sheet['!printHeader']) {
+          var printHeader = sheet['!printHeader'];
+
+        var range = "'" + sheetName + "'!$" + printHeader[0] + ":$" + printHeader[1];
+
         o[o.length] = (writextag('definedName', range, {
           "name":"_xlnm.Print_Titles",
           localSheetId : ''+i
         }))
+      }
     }
     o[o.length] = '</definedNames>';
   }
 
-
-
-//  <definedNames>
-//  <definedName name="_xlnm.Print_Titles" localSheetId="0">Sheet1!$1:$1</definedName>
-//  <definedName name="_xlnm.Print_Titles" localSheetId="1">Sheet2!$1:$2</definedName>
-//  </definedNames>
-
 	if(o.length>2){ o[o.length] = '</workbook>'; o[1]=o[1].replace("/>",">"); }
 	return o.join("");
 }
diff --git a/package.json b/package.json
index 1782592..6c14170 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "xlsx-style",
-	"version": "0.8.11",
+	"version": "0.8.13",
 	"author": "sheetjs",
 	"description": "Excel (XLSB/XLSX/XLSM/XLS/XML) and ODS spreadsheet parser and writer (extended to enable read/write of cell formats with xlsx files)",
 	"keywords": [ "excel", "xls", "xlsx", "xlsb", "xlsm", "ods", "office", "spreadsheet" ],
diff --git a/tests/test-acid.js b/tests/test-acid.js
index 4ac7f48..4694de2 100644
--- a/tests/test-acid.js
+++ b/tests/test-acid.js
@@ -1,4 +1,4 @@
-var X = require('./');
+var X = require('../');
 var opts = { cellNF: true,
   type: 'file',
   cellHTML: true,
diff --git a/tests/test-ampersand.js b/tests/test-ampersand.js
deleted file mode 100644
index bc7a4a2..0000000
--- a/tests/test-ampersand.js
+++ /dev/null
@@ -1,715 +0,0 @@
-var XLSX = require('../.');
-
-var JSZip = require('jszip');
-var fs = require('fs');
-var cheerio = require('cheerio');
-
-var assert = require('assert');
-
-function JSDateToExcelDate(inDate) {
-  return 25569.0 + ((inDate.getTime() - (inDate.getTimezoneOffset() * 60 * 1000)) / (1000 * 60 * 60 * 24));
-}
-
-var defaultCellStyle = { font: { name: "Verdana", sz: 11, color: "FF00FF88"}, fill: {fgColor: {rgb: "FFFFAA00"}}};
-
-// test to see if everything on the left equals its counterpart on the right
-// but the right hand object may have other attributes which we might not care about
-function basicallyEquals(left, right) {
-  if (Array.isArray(left) && Array.isArray(right)) {
-    for (var i=0; i<left.length; i++) {
-      if (!basicallyEquals(left[i], right[i] )) {
-        return false;
-      }
-    }
-    return true;
-  }
-  else if (typeof left == 'object' && typeof right == 'object') {
-    for (var key in left) {
-      if (key != 'bgColor') {
-        if (!basicallyEquals(left[key], right[key] )) {
-          if (JSON.stringify(left[key])=="{}" && right[key] == undefined) return true;
-          if (JSON.stringify(right[key])=="{}" && left[key] == undefined) return true;
-          return false;
-        }
-      }
-    }
-    return true;
-  }
-  else {
-    if (left != right) {
-      return false;
-    }
-    return true;
-  }
-}
-
-
-describe('styles with blank cells', function () {
-  it ('retains styles with blank cells', function() {
-
-
-    var OUTFILE = '/tmp/ex1.xlsx';
-    var OUTFILE2 = '/tmp/ex1a.xlsx';
-
-    var workbook = {
-      SheetNames : ["Sheet1"],
-      Sheets: {
-        "Sheet1": {
-          "B2": {v: "Top left", s: { border: { top: { style: 'medium', color: { rgb: "FFFFAA00"}}, left: { style: 'medium', color: { rgb: "FFFFAA00"}} }}},
-          "C2": {v: "Top right", s: { border: { top: { style: 'medium', color: { rgb: "FFFFAA00"}}, right: { style: 'medium', color: { rgb: "FFFFAA00"}} }}},
-          "B3": {v: "Bottom left", s: { border: { bottom: { style: 'medium', color: { rgb: "FFFFAA00"}}, left: { style: 'medium', color: { rgb: "FFFFAA00"}} }}},
-          "C3": {v: "", s: { border: { bottom: { style: 'medium', color: { rgb: "FFFFAA00"}}, right: { style: 'medium', color: { rgb: "FFFFAA00"}} }}},
-          "!ref":"B2:C3"
-        }
-      }
-    };
-
-    // write the file and read it back...
-    XLSX.writeFile(workbook, OUTFILE, {bookType: 'xlsx', bookSST: false});
-    var workbook2 = XLSX.readFile(OUTFILE, {cellStyles: true});
-    assert(basicallyEquals(workbook.Sheets, workbook2.Sheets));
-
-    XLSX.writeFile(workbook2, OUTFILE2, {bookType: 'xlsx', bookSST: false});
-    var workbook3 = XLSX.readFile(OUTFILE2, {cellStyles: true});
-    assert(basicallyEquals(workbook.Sheets, workbook3.Sheets))
-  });
-});
-
-describe("Export styles", function () {
-  var workbook, wbout, wbin;
-
-  before(function () {
-    workbook = {
-      "SheetNames": [
-        "Main"
-      ],
-      "Sheets": {
-        "Main": {
-          "!merges": [
-            {
-              "s": {
-                "c": 0,
-                "r": 0
-              },
-              "e": {
-                "c": 2,
-                "r": 0
-              }
-            }
-          ],
-          "A1": {
-            "v": "This is a submerged cell",
-            "s": {
-              "border": {
-                "left": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "top": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "bottom": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                }
-              }
-            },
-            "t": "s"
-          },
-          "B1": {
-            "v": "Pirate ship",
-            "s": {
-              "border": {
-                "top": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "bottom": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                }
-              }
-            },
-            "t": "s"
-          },
-          "C1": {
-            "v": "Sunken treasure",
-            "s": {
-              "border": {
-                "right": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "top": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "bottom": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                }
-              }
-            },
-            "t": "s"
-          },
-          "A2": {
-            "v": "Blank",
-            "t": "s"
-          },
-          "B2": {
-            "v": "Red",
-            "s": {
-              "fill": {
-                "fgColor": {
-                  "rgb": "FFFF0000"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "C2": {
-            "v": "Green",
-            "s": {
-              "fill": {
-                "fgColor": {
-                  "rgb": "FF00FF00"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "D2": {
-            "v": "Blue",
-            "s": {
-              "fill": {
-                "fgColor": {
-                  "rgb": "FF0000FF"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "E2": {
-            "v": "Theme 5",
-            "s": {
-              "fill": {
-                "fgColor": {
-                  "theme": 5
-                }
-              }
-            },
-            "t": "s"
-          },
-          "F2": {
-            "v": "Theme 5 Tint -0.5",
-            "s": {
-              "fill": {
-                "fgColor": {
-                  "theme": 5,
-                  "tint": -0.5
-                }
-              }
-            },
-            "t": "s"
-          },
-          "A3": {
-            "v": "Default",
-            "t": "s"
-          },
-          "B3": {
-            "v": "Arial",
-            "s": {
-              "font": {
-                "name": "Arial",
-                "sz": 24,
-                "color": {
-                  "theme": "5"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "C3": {
-            "v": "Times New Roman",
-            "s": {
-              "font": {
-                "name": "Times New Roman",
-                bold:true,
-                underline: true,
-                italic: true,
-                strike: true,
-                outline: true,
-                shadow: true,
-                vertAlign: "superscript",
-                "sz": 16,
-                "color": {
-                  "rgb": "FF2222FF"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "D3": {
-            "v": "Courier New",
-            "s": {
-              "font": {
-                "name": "Courier New",
-                "sz": 14
-              }
-            },
-            "t": "s"
-          },
-          "A4": {
-            "v": 0.618033989,
-            "t": "n"
-          },
-          "B4": {
-            "v": 0.618033989,
-            "t": "n"
-          },
-          "C4": {
-            "v": 0.618033989,
-            "t": "n"
-          },
-          "D4": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.00%"
-            }
-          },
-          "E4": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.00%",
-              "fill": {
-                "fgColor": {
-                  "rgb": "FFFFCC00"
-                }
-              }
-            }
-          },
-          "A5": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0%"
-            }
-          },
-          "B5": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.0%"
-            }
-          },
-          "C5": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.00%"
-            }
-          },
-          "D5": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.000%"
-            }
-          },
-          "E5": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.0000%"
-            }
-          },
-          "F5": {
-            "v": 0,
-            "t": "n",
-            "s": {
-              "numFmt": "0.00%;\\(0.00%\\);\\-;@",
-              "fill": {
-                "fgColor": {
-                  "rgb": "FFFFCC00"
-                }
-              }
-            }
-          },
-          "A6": {
-            "v": "Sat Mar 21 2015 23:47:34 GMT-0400 (EDT)",
-            "t": "s"
-          },
-          "B6": {
-            "v": 42084.99137416667,
-            "t": "n"
-          },
-          "C6": {
-            "v": 42084.99137416667,
-            "s": {
-              "numFmt": "d-mmm-yy"
-            },
-            "t": "n"
-          },
-          "A7": {
-            "v": "left",
-            "s": {
-              "alignment": {
-                "horizontal": "left"
-              }
-            },
-            "t": "s"
-          },
-          "B7": {
-            "v": "center",
-            "s": {
-              "alignment": {
-                "horizontal": "center"
-              }
-            },
-            "t": "s"
-          },
-          "C7": {
-            "v": "right",
-            "s": {
-              "alignment": {
-                "horizontal": "right"
-              }
-            },
-            "t": "s"
-          },
-          "A8": {
-            "v": "vertical",
-            "s": {
-              "alignment": {
-                "vertical": "top"
-              }
-            },
-            "t": "s"
-          },
-          "B8": {
-            "v": "vertical",
-            "s": {
-              "alignment": {
-                "vertical": "center"
-              }
-            },
-            "t": "s"
-          },
-          "C8": {
-            "v": "vertical",
-            "s": {
-              "alignment": {
-                "vertical": "bottom"
-              }
-            },
-            "t": "s"
-          },
-          "A9": {
-            "v": "indent",
-            "s": {
-              "alignment": {
-                "indent": "1"
-              }
-            },
-            "t": "s"
-          },
-          "B9": {
-            "v": "indent",
-            "s": {
-              "alignment": {
-                "indent": "2"
-              }
-            },
-            "t": "s"
-          },
-          "C9": {
-            "v": "indent",
-            "s": {
-              "alignment": {
-                "indent": "3"
-              }
-            },
-            "t": "s"
-          },
-          "A10": {
-            "v": "In publishing and graphic design, lorem ipsum is a filler text commonly used to demonstrate the graphic elements of a document or visual presentation. ",
-            "s": {
-              "alignment": {
-                "wrapText": 1,
-                "horizontal": "right",
-                "vertical": "center",
-                "indent": 1
-              }
-            },
-            "t": "s"
-          },
-          "A11": {
-            "v": 41684.35264774306,
-            "s": {
-              "numFmt": "m/d/yy"
-            },
-            "t": "n"
-          },
-          "B11": {
-            "v": 41684.35264774306,
-            "s": {
-              "numFmt": "d-mmm-yy"
-            },
-            "t": "n"
-          },
-          "C11": {
-            "v": 41684.35264774306,
-            "s": {
-              "numFmt": "h:mm:ss AM/PM"
-            },
-            "t": "n"
-          },
-          "D11": {
-            "v": 42084.99137416667,
-            "s": {
-              "numFmt": "m/d/yy"
-            },
-            "t": "n"
-          },
-          "E11": {
-            "v": 42065.02247239584,
-            "s": {
-              "numFmt": "m/d/yy"
-            },
-            "t": "n"
-          },
-          "F11": {
-            "v": 42084.99137416667,
-            "s": {
-              "numFmt": "m/d/yy h:mm:ss AM/PM"
-            },
-            "t": "n"
-          },
-          "A12": {
-            "v": "Apple",
-            "s": {
-              "border": {
-                "top": {
-                  "style": "thin"
-                },
-                "left": {
-                  "style": "thin"
-                },
-                "right": {
-                  "style": "thin"
-                },
-                "bottom": {
-                  "style": "thin"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "C12": {
-            "v": "Apple",
-            "s": {
-              "border": {
-                "diagonalUp": 1,
-                "diagonalDown": 1,
-                "top": {
-                  "style": "dashed",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "right": {
-                  "style": "medium",
-                  "color": {
-                    "theme": "5"
-                  }
-                },
-                "bottom": {
-                  "style": "hair",
-                  "color": {
-                    "theme": 5,
-                    "tint": "-0.3"
-                  }
-                },
-                "left": {
-                  "style": "thin",
-                  "color": {
-                    "rgb": "FFFFAA00"
-                  }
-                },
-                "diagonal": {
-                  "style": "dotted",
-                  "color": {
-                    "auto": 1
-                  }
-                }
-              }
-            },
-            "t": "s"
-          },
-          "E12": {
-            "v": "Pear",
-            "s": {
-              "border": {
-                "diagonalUp": 1,
-                "diagonalDown": 1,
-                "top": {
-                  "style": "dashed",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "right": {
-                  "style": "dotted",
-                  "color": {
-                    "theme": "5"
-                  }
-                },
-                "bottom": {
-                  "style": "mediumDashed",
-                  "color": {
-                    "theme": 5,
-                    "tint": "-0.3"
-                  }
-                },
-                "left": {
-                  "style": "double",
-                  "color": {
-                    "rgb": "FFFFAA00"
-                  }
-                },
-                "diagonal": {
-                  "style": "hair",
-                  "color": {
-                    "auto": 1
-                  }
-                }
-              }
-            },
-            "t": "s"
-          },
-          "A13": {
-            "v": "Up 90",
-            "s": {
-              "alignment": {
-                "textRotation": 90
-              }
-            },
-            "t": "s"
-          },
-          "B13": {
-            "v": "Up 45",
-            "s": {
-              "alignment": {
-                "textRotation": 45
-              }
-            },
-            "t": "s"
-          },
-          "C13": {
-            "v": "Horizontal",
-            "s": {
-              "alignment": {
-                "textRotation": 0
-              }
-            },
-            "t": "s"
-          },
-          "D13": {
-            "v": "Down 45",
-            "s": {
-              "alignment": {
-                "textRotation": 135
-              }
-            },
-            "t": "s"
-          },
-          "E13": {
-            "v": "Down 90",
-            "s": {
-              "alignment": {
-                "textRotation": 180
-              }
-            },
-            "t": "s"
-          },
-          "F13": {
-            "v": "Vertical",
-            "s": {
-              "alignment": {
-                "textRotation": 255
-              }
-            },
-            "t": "s"
-          },
-          "A14": {
-            "v": "Font color test",
-            "s": {
-              "font": {
-                "color": {
-                  "rgb": "FFC6EFCE"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "!ref": "A1:F14"
-        }
-      }
-    }
-  });
-
-
-  it('can write to a file and read the file back', function () {
-    XLSX.writeFile(workbook, '/tmp/wb.xlsx',  { defaultCellStyle: defaultCellStyle });
-    var wb1 = XLSX.readFile('/tmp/wb.xlsx', {type: "xlsx", cellStyles: true, cellNF: true, WTF:true});
-    assert(basicallyEquals(workbook.Sheets.Main,wb1.Sheets.Main));
-  });
-
-  it('can write to a buffer and read the file back', function () {
-    var wb2 = XLSX.read(XLSX.write(workbook, {type:"buffer", bookType: 'xlsx'}), {cellStyles: true, cellNF: true})
-    XLSX.writeFile(wb2, '/tmp/wb2.xlsx',  { defaultCellStyle: defaultCellStyle });
-    assert(basicallyEquals(workbook.Sheets.Main,wb2.Sheets.Main));
-  });
-
-  it('should edit style of one cell without applie modification on other cell', function () {
-    var wb2 = XLSX.read(XLSX.write(workbook, {type:"buffer", bookType: 'xlsx'}), {cellStyles: true, cellNF: true})
-
-    var A6s = wb2.Sheets.Main.A6.s;
-    var B6s = wb2.Sheets.Main.B6.s;
-
-    Object.keys(A6s).forEach(function(key) {
-      if(A6s[key])
-        assert(A6s[key] !== B6s[key]);
-    });
-
-    assert(A6s.border.top === undefined);
-    assert(B6s.border.top === undefined);
-
-    A6s.border.top = {};
-    assert(B6s.border.top === undefined);
-
-    XLSX.writeFile(wb2, '/tmp/wb2.xlsx',  { defaultCellStyle: defaultCellStyle });
-    assert(basicallyEquals(workbook.Sheets.Main,wb2.Sheets.Main));
-  });
-
-});
-
diff --git a/tests/test-csv.js b/tests/test-csv.js
index 44f862f..75d7eae 100644
--- a/tests/test-csv.js
+++ b/tests/test-csv.js
@@ -1,43 +1,37 @@
 var argv = require('minimist')(process.argv.slice(2));
-
-var XLSX = require('./');
+var assert = require('assert')
+var XLSX = require('../');
 var fs = require('fs')
 var INFILE = './test_files/pivot_table_test.xlsm';
 var TESTFILE = './test_files/pivot_table_test.xlsm.';
 //var INFILE = './test_files/formula_stress_test.xlsb';
 //var TESTFILE = './test_files/formula_stress_test.xls.';
-var INFILE ='./test_files/apachepoi_Tables.xlsx';
-var TESTFILE='./test_files/apachepoi_Tables.xlsx.';
+var INFILE = './test_files/apachepoi_Tables.xlsx';
+var TESTFILE = './test_files/apachepoi_Tables.xlsx.';
 var INFILE = './test_files/apachepoi_45540_classic_Footer.xlsx';
 var TESTFILE = './test_files/apachepoi_45540_classic_Footer.xlsx.';
-var SHEET=argv.p || 0;
+var SHEET = argv.p || 0;
 
-function stripbom(x) { return x.replace(/^\ufeff/,""); }
-function fixcsv(x) { return stripbom(x).replace(/\t/g,",").replace(/#{255}/g,"").replace(/"/g,"").replace(/[\n\r]+/g,"\n").replace(/\n*$/,""); }
-
-
-wb = XLSX.readFile(INFILE, {cellNF: true});
-
-//XLSX.writeFile(wb, '/tmp/test-csv.xlsx');
-//var wb = XLSX.readFile('/tmp/test-csv.xlsx', {cellNF: true});
-
-wb = XLSX.read(XLSX.write(wb, {type:"buffer", bookType:'xlsx'}), {cellNF: true})
-
-
-var csv = fixcsv(XLSX.utils.make_csv(wb.Sheets[wb.SheetNames[SHEET]]))
-console.log('==================')
-console.log( csv);
-console.log('------------')
-var exp = fixcsv(fs.readFileSync(TESTFILE + SHEET+ '.csv','utf8'))
-console.log(exp)
-console.log('.............')
-console.log(csv==exp);
-
-console.log(csv.length, exp.length)
-if (argv.d) {
-for (var i=0; i<csv.length; i++) {
-  console.log([csv[i], exp[i]], csv[i] ==exp[i]);
+function stripbom(x) {
+  return x.replace(/^\ufeff/, "");
 }
+function fixcsv(x) {
+  return stripbom(x).replace(/\t/g, ",").replace(/#{255}/g, "").replace(/"/g, "").replace(/[\n\r]+/g, "\n").replace(/\n*$/, "");
 }
-//console.log(wb.Sheets[wb.SheetNames[0]].C2)
 
+describe("CSV writer", function () {
+  it("Generates CSV", function () {
+    wb = XLSX.readFile(INFILE, {cellNF: true});
+
+    //XLSX.writeFile(wb, '/tmp/test-csv.xlsx');
+    //var wb = XLSX.readFile('/tmp/test-csv.xlsx', {cellNF: true});
+
+    wb = XLSX.read(XLSX.write(wb, {type: "buffer", bookType: 'xlsx'}), {cellNF: true})
+
+
+    var csv = fixcsv(XLSX.utils.make_csv(wb.Sheets[wb.SheetNames[SHEET]]))
+    var exp = fixcsv(fs.readFileSync(TESTFILE + SHEET + '.csv', 'utf8'))
+
+    assert.equal(csv, exp)
+  })
+})
\ No newline at end of file
diff --git a/tests/test-freeze.js b/tests/test-freeze.js
deleted file mode 100644
index bc7a4a2..0000000
--- a/tests/test-freeze.js
+++ /dev/null
@@ -1,715 +0,0 @@
-var XLSX = require('../.');
-
-var JSZip = require('jszip');
-var fs = require('fs');
-var cheerio = require('cheerio');
-
-var assert = require('assert');
-
-function JSDateToExcelDate(inDate) {
-  return 25569.0 + ((inDate.getTime() - (inDate.getTimezoneOffset() * 60 * 1000)) / (1000 * 60 * 60 * 24));
-}
-
-var defaultCellStyle = { font: { name: "Verdana", sz: 11, color: "FF00FF88"}, fill: {fgColor: {rgb: "FFFFAA00"}}};
-
-// test to see if everything on the left equals its counterpart on the right
-// but the right hand object may have other attributes which we might not care about
-function basicallyEquals(left, right) {
-  if (Array.isArray(left) && Array.isArray(right)) {
-    for (var i=0; i<left.length; i++) {
-      if (!basicallyEquals(left[i], right[i] )) {
-        return false;
-      }
-    }
-    return true;
-  }
-  else if (typeof left == 'object' && typeof right == 'object') {
-    for (var key in left) {
-      if (key != 'bgColor') {
-        if (!basicallyEquals(left[key], right[key] )) {
-          if (JSON.stringify(left[key])=="{}" && right[key] == undefined) return true;
-          if (JSON.stringify(right[key])=="{}" && left[key] == undefined) return true;
-          return false;
-        }
-      }
-    }
-    return true;
-  }
-  else {
-    if (left != right) {
-      return false;
-    }
-    return true;
-  }
-}
-
-
-describe('styles with blank cells', function () {
-  it ('retains styles with blank cells', function() {
-
-
-    var OUTFILE = '/tmp/ex1.xlsx';
-    var OUTFILE2 = '/tmp/ex1a.xlsx';
-
-    var workbook = {
-      SheetNames : ["Sheet1"],
-      Sheets: {
-        "Sheet1": {
-          "B2": {v: "Top left", s: { border: { top: { style: 'medium', color: { rgb: "FFFFAA00"}}, left: { style: 'medium', color: { rgb: "FFFFAA00"}} }}},
-          "C2": {v: "Top right", s: { border: { top: { style: 'medium', color: { rgb: "FFFFAA00"}}, right: { style: 'medium', color: { rgb: "FFFFAA00"}} }}},
-          "B3": {v: "Bottom left", s: { border: { bottom: { style: 'medium', color: { rgb: "FFFFAA00"}}, left: { style: 'medium', color: { rgb: "FFFFAA00"}} }}},
-          "C3": {v: "", s: { border: { bottom: { style: 'medium', color: { rgb: "FFFFAA00"}}, right: { style: 'medium', color: { rgb: "FFFFAA00"}} }}},
-          "!ref":"B2:C3"
-        }
-      }
-    };
-
-    // write the file and read it back...
-    XLSX.writeFile(workbook, OUTFILE, {bookType: 'xlsx', bookSST: false});
-    var workbook2 = XLSX.readFile(OUTFILE, {cellStyles: true});
-    assert(basicallyEquals(workbook.Sheets, workbook2.Sheets));
-
-    XLSX.writeFile(workbook2, OUTFILE2, {bookType: 'xlsx', bookSST: false});
-    var workbook3 = XLSX.readFile(OUTFILE2, {cellStyles: true});
-    assert(basicallyEquals(workbook.Sheets, workbook3.Sheets))
-  });
-});
-
-describe("Export styles", function () {
-  var workbook, wbout, wbin;
-
-  before(function () {
-    workbook = {
-      "SheetNames": [
-        "Main"
-      ],
-      "Sheets": {
-        "Main": {
-          "!merges": [
-            {
-              "s": {
-                "c": 0,
-                "r": 0
-              },
-              "e": {
-                "c": 2,
-                "r": 0
-              }
-            }
-          ],
-          "A1": {
-            "v": "This is a submerged cell",
-            "s": {
-              "border": {
-                "left": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "top": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "bottom": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                }
-              }
-            },
-            "t": "s"
-          },
-          "B1": {
-            "v": "Pirate ship",
-            "s": {
-              "border": {
-                "top": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "bottom": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                }
-              }
-            },
-            "t": "s"
-          },
-          "C1": {
-            "v": "Sunken treasure",
-            "s": {
-              "border": {
-                "right": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "top": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "bottom": {
-                  "style": "thick",
-                  "color": {
-                    "auto": 1
-                  }
-                }
-              }
-            },
-            "t": "s"
-          },
-          "A2": {
-            "v": "Blank",
-            "t": "s"
-          },
-          "B2": {
-            "v": "Red",
-            "s": {
-              "fill": {
-                "fgColor": {
-                  "rgb": "FFFF0000"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "C2": {
-            "v": "Green",
-            "s": {
-              "fill": {
-                "fgColor": {
-                  "rgb": "FF00FF00"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "D2": {
-            "v": "Blue",
-            "s": {
-              "fill": {
-                "fgColor": {
-                  "rgb": "FF0000FF"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "E2": {
-            "v": "Theme 5",
-            "s": {
-              "fill": {
-                "fgColor": {
-                  "theme": 5
-                }
-              }
-            },
-            "t": "s"
-          },
-          "F2": {
-            "v": "Theme 5 Tint -0.5",
-            "s": {
-              "fill": {
-                "fgColor": {
-                  "theme": 5,
-                  "tint": -0.5
-                }
-              }
-            },
-            "t": "s"
-          },
-          "A3": {
-            "v": "Default",
-            "t": "s"
-          },
-          "B3": {
-            "v": "Arial",
-            "s": {
-              "font": {
-                "name": "Arial",
-                "sz": 24,
-                "color": {
-                  "theme": "5"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "C3": {
-            "v": "Times New Roman",
-            "s": {
-              "font": {
-                "name": "Times New Roman",
-                bold:true,
-                underline: true,
-                italic: true,
-                strike: true,
-                outline: true,
-                shadow: true,
-                vertAlign: "superscript",
-                "sz": 16,
-                "color": {
-                  "rgb": "FF2222FF"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "D3": {
-            "v": "Courier New",
-            "s": {
-              "font": {
-                "name": "Courier New",
-                "sz": 14
-              }
-            },
-            "t": "s"
-          },
-          "A4": {
-            "v": 0.618033989,
-            "t": "n"
-          },
-          "B4": {
-            "v": 0.618033989,
-            "t": "n"
-          },
-          "C4": {
-            "v": 0.618033989,
-            "t": "n"
-          },
-          "D4": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.00%"
-            }
-          },
-          "E4": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.00%",
-              "fill": {
-                "fgColor": {
-                  "rgb": "FFFFCC00"
-                }
-              }
-            }
-          },
-          "A5": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0%"
-            }
-          },
-          "B5": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.0%"
-            }
-          },
-          "C5": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.00%"
-            }
-          },
-          "D5": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.000%"
-            }
-          },
-          "E5": {
-            "v": 0.618033989,
-            "t": "n",
-            "s": {
-              "numFmt": "0.0000%"
-            }
-          },
-          "F5": {
-            "v": 0,
-            "t": "n",
-            "s": {
-              "numFmt": "0.00%;\\(0.00%\\);\\-;@",
-              "fill": {
-                "fgColor": {
-                  "rgb": "FFFFCC00"
-                }
-              }
-            }
-          },
-          "A6": {
-            "v": "Sat Mar 21 2015 23:47:34 GMT-0400 (EDT)",
-            "t": "s"
-          },
-          "B6": {
-            "v": 42084.99137416667,
-            "t": "n"
-          },
-          "C6": {
-            "v": 42084.99137416667,
-            "s": {
-              "numFmt": "d-mmm-yy"
-            },
-            "t": "n"
-          },
-          "A7": {
-            "v": "left",
-            "s": {
-              "alignment": {
-                "horizontal": "left"
-              }
-            },
-            "t": "s"
-          },
-          "B7": {
-            "v": "center",
-            "s": {
-              "alignment": {
-                "horizontal": "center"
-              }
-            },
-            "t": "s"
-          },
-          "C7": {
-            "v": "right",
-            "s": {
-              "alignment": {
-                "horizontal": "right"
-              }
-            },
-            "t": "s"
-          },
-          "A8": {
-            "v": "vertical",
-            "s": {
-              "alignment": {
-                "vertical": "top"
-              }
-            },
-            "t": "s"
-          },
-          "B8": {
-            "v": "vertical",
-            "s": {
-              "alignment": {
-                "vertical": "center"
-              }
-            },
-            "t": "s"
-          },
-          "C8": {
-            "v": "vertical",
-            "s": {
-              "alignment": {
-                "vertical": "bottom"
-              }
-            },
-            "t": "s"
-          },
-          "A9": {
-            "v": "indent",
-            "s": {
-              "alignment": {
-                "indent": "1"
-              }
-            },
-            "t": "s"
-          },
-          "B9": {
-            "v": "indent",
-            "s": {
-              "alignment": {
-                "indent": "2"
-              }
-            },
-            "t": "s"
-          },
-          "C9": {
-            "v": "indent",
-            "s": {
-              "alignment": {
-                "indent": "3"
-              }
-            },
-            "t": "s"
-          },
-          "A10": {
-            "v": "In publishing and graphic design, lorem ipsum is a filler text commonly used to demonstrate the graphic elements of a document or visual presentation. ",
-            "s": {
-              "alignment": {
-                "wrapText": 1,
-                "horizontal": "right",
-                "vertical": "center",
-                "indent": 1
-              }
-            },
-            "t": "s"
-          },
-          "A11": {
-            "v": 41684.35264774306,
-            "s": {
-              "numFmt": "m/d/yy"
-            },
-            "t": "n"
-          },
-          "B11": {
-            "v": 41684.35264774306,
-            "s": {
-              "numFmt": "d-mmm-yy"
-            },
-            "t": "n"
-          },
-          "C11": {
-            "v": 41684.35264774306,
-            "s": {
-              "numFmt": "h:mm:ss AM/PM"
-            },
-            "t": "n"
-          },
-          "D11": {
-            "v": 42084.99137416667,
-            "s": {
-              "numFmt": "m/d/yy"
-            },
-            "t": "n"
-          },
-          "E11": {
-            "v": 42065.02247239584,
-            "s": {
-              "numFmt": "m/d/yy"
-            },
-            "t": "n"
-          },
-          "F11": {
-            "v": 42084.99137416667,
-            "s": {
-              "numFmt": "m/d/yy h:mm:ss AM/PM"
-            },
-            "t": "n"
-          },
-          "A12": {
-            "v": "Apple",
-            "s": {
-              "border": {
-                "top": {
-                  "style": "thin"
-                },
-                "left": {
-                  "style": "thin"
-                },
-                "right": {
-                  "style": "thin"
-                },
-                "bottom": {
-                  "style": "thin"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "C12": {
-            "v": "Apple",
-            "s": {
-              "border": {
-                "diagonalUp": 1,
-                "diagonalDown": 1,
-                "top": {
-                  "style": "dashed",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "right": {
-                  "style": "medium",
-                  "color": {
-                    "theme": "5"
-                  }
-                },
-                "bottom": {
-                  "style": "hair",
-                  "color": {
-                    "theme": 5,
-                    "tint": "-0.3"
-                  }
-                },
-                "left": {
-                  "style": "thin",
-                  "color": {
-                    "rgb": "FFFFAA00"
-                  }
-                },
-                "diagonal": {
-                  "style": "dotted",
-                  "color": {
-                    "auto": 1
-                  }
-                }
-              }
-            },
-            "t": "s"
-          },
-          "E12": {
-            "v": "Pear",
-            "s": {
-              "border": {
-                "diagonalUp": 1,
-                "diagonalDown": 1,
-                "top": {
-                  "style": "dashed",
-                  "color": {
-                    "auto": 1
-                  }
-                },
-                "right": {
-                  "style": "dotted",
-                  "color": {
-                    "theme": "5"
-                  }
-                },
-                "bottom": {
-                  "style": "mediumDashed",
-                  "color": {
-                    "theme": 5,
-                    "tint": "-0.3"
-                  }
-                },
-                "left": {
-                  "style": "double",
-                  "color": {
-                    "rgb": "FFFFAA00"
-                  }
-                },
-                "diagonal": {
-                  "style": "hair",
-                  "color": {
-                    "auto": 1
-                  }
-                }
-              }
-            },
-            "t": "s"
-          },
-          "A13": {
-            "v": "Up 90",
-            "s": {
-              "alignment": {
-                "textRotation": 90
-              }
-            },
-            "t": "s"
-          },
-          "B13": {
-            "v": "Up 45",
-            "s": {
-              "alignment": {
-                "textRotation": 45
-              }
-            },
-            "t": "s"
-          },
-          "C13": {
-            "v": "Horizontal",
-            "s": {
-              "alignment": {
-                "textRotation": 0
-              }
-            },
-            "t": "s"
-          },
-          "D13": {
-            "v": "Down 45",
-            "s": {
-              "alignment": {
-                "textRotation": 135
-              }
-            },
-            "t": "s"
-          },
-          "E13": {
-            "v": "Down 90",
-            "s": {
-              "alignment": {
-                "textRotation": 180
-              }
-            },
-            "t": "s"
-          },
-          "F13": {
-            "v": "Vertical",
-            "s": {
-              "alignment": {
-                "textRotation": 255
-              }
-            },
-            "t": "s"
-          },
-          "A14": {
-            "v": "Font color test",
-            "s": {
-              "font": {
-                "color": {
-                  "rgb": "FFC6EFCE"
-                }
-              }
-            },
-            "t": "s"
-          },
-          "!ref": "A1:F14"
-        }
-      }
-    }
-  });
-
-
-  it('can write to a file and read the file back', function () {
-    XLSX.writeFile(workbook, '/tmp/wb.xlsx',  { defaultCellStyle: defaultCellStyle });
-    var wb1 = XLSX.readFile('/tmp/wb.xlsx', {type: "xlsx", cellStyles: true, cellNF: true, WTF:true});
-    assert(basicallyEquals(workbook.Sheets.Main,wb1.Sheets.Main));
-  });
-
-  it('can write to a buffer and read the file back', function () {
-    var wb2 = XLSX.read(XLSX.write(workbook, {type:"buffer", bookType: 'xlsx'}), {cellStyles: true, cellNF: true})
-    XLSX.writeFile(wb2, '/tmp/wb2.xlsx',  { defaultCellStyle: defaultCellStyle });
-    assert(basicallyEquals(workbook.Sheets.Main,wb2.Sheets.Main));
-  });
-
-  it('should edit style of one cell without applie modification on other cell', function () {
-    var wb2 = XLSX.read(XLSX.write(workbook, {type:"buffer", bookType: 'xlsx'}), {cellStyles: true, cellNF: true})
-
-    var A6s = wb2.Sheets.Main.A6.s;
-    var B6s = wb2.Sheets.Main.B6.s;
-
-    Object.keys(A6s).forEach(function(key) {
-      if(A6s[key])
-        assert(A6s[key] !== B6s[key]);
-    });
-
-    assert(A6s.border.top === undefined);
-    assert(B6s.border.top === undefined);
-
-    A6s.border.top = {};
-    assert(B6s.border.top === undefined);
-
-    XLSX.writeFile(wb2, '/tmp/wb2.xlsx',  { defaultCellStyle: defaultCellStyle });
-    assert(basicallyEquals(workbook.Sheets.Main,wb2.Sheets.Main));
-  });
-
-});
-
diff --git a/tests/test-min.js b/tests/test-min.js
index 96ee7f2..2f578f9 100644
--- a/tests/test-min.js
+++ b/tests/test-min.js
@@ -1,4 +1,4 @@
-var X = require('./xlsx.js');
+var X = require('../xlsx.js');
 var file = 'test_files/2013/apachepoi_44861.xls.xlsb';
 var file = 'test_files/apachepoi_44861.xls';
 var opts = {cellNF: true};
diff --git a/tests/test-open.js b/tests/test-open.js
index 9e0e996..1ccdb4f 100644
--- a/tests/test-open.js
+++ b/tests/test-open.js
@@ -1,4 +1,4 @@
-var XLSX = require('./');
+var XLSX = require('../');
 
 wbin = XLSX.readFile('/tmp/wb.xlsx', {type: "xlsx"});
 
diff --git a/tests/test-style.js b/tests/test-style.js
index bc7a4a2..003136f 100644
--- a/tests/test-style.js
+++ b/tests/test-style.js
@@ -687,6 +687,7 @@ describe("Export styles", function () {
   it('can write to a buffer and read the file back', function () {
     var wb2 = XLSX.read(XLSX.write(workbook, {type:"buffer", bookType: 'xlsx'}), {cellStyles: true, cellNF: true})
     XLSX.writeFile(wb2, '/tmp/wb2.xlsx',  { defaultCellStyle: defaultCellStyle });
+    console.log("open /tmp/wb2.xlsx")
     assert(basicallyEquals(workbook.Sheets.Main,wb2.Sheets.Main));
   });
 
@@ -697,8 +698,9 @@ describe("Export styles", function () {
     var B6s = wb2.Sheets.Main.B6.s;
 
     Object.keys(A6s).forEach(function(key) {
-      if(A6s[key])
-        assert(A6s[key] !== B6s[key]);
+      if(A6s[key]) {
+        assert.deepEqual(A6s[key],B6s[key]);
+      }
     });
 
     assert(A6s.border.top === undefined);
diff --git a/xlsx.js b/xlsx.js
index 15b58b1..76426a2 100644
--- a/xlsx.js
+++ b/xlsx.js
@@ -7841,7 +7841,7 @@ function write_ws_xml(idx, opts, wb) {
 
   var sheetView = writextag('sheetView', null,  {
     showGridLines: opts.showGridLines == false ? '0' : '1',
-    tabSelected: opts.tabSelected === undefined ? '0' :  opts.tabSelected,
+    tabSelected: opts.tabSelected === undefined ? '0' :  opts.tabSelected,  // see issue #26, need to set WorkbookViews if this is set
     workbookViewId: opts.workbookViewId === undefined ? '0' : opts.workbookViewId
   });
   o[o.length] = writextag('sheetViews', sheetView);
@@ -8579,24 +8579,20 @@ function write_wb_xml(wb, opts) {
     for(var i = 0; i != wb.SheetNames.length; ++i) {
       var sheetName = wb.SheetNames[i];
       var sheet = wb.Sheets[sheetName]
-      if (sheet['!printHeader'])
-        var range = "'" + sheetName + "'!" + sheet['!printHeader'];
-      console.log("!!!!"+range)
+      if (sheet['!printHeader']) {
+          var printHeader = sheet['!printHeader'];
+
+        var range = "'" + sheetName + "'!$" + printHeader[0] + ":$" + printHeader[1];
+
         o[o.length] = (writextag('definedName', range, {
           "name":"_xlnm.Print_Titles",
           localSheetId : ''+i
         }))
+      }
     }
     o[o.length] = '</definedNames>';
   }
 
-
-
-//  <definedNames>
-//  <definedName name="_xlnm.Print_Titles" localSheetId="0">Sheet1!$1:$1</definedName>
-//  <definedName name="_xlnm.Print_Titles" localSheetId="1">Sheet2!$1:$2</definedName>
-//  </definedNames>
-
 	if(o.length>2){ o[o.length] = '</workbook>'; o[1]=o[1].replace("/>",">"); }
 	return o.join("");
 }