diff --git a/CHANGELOG.PHPExcel.md b/CHANGELOG.PHPExcel.md
index 389a1314..a32f78b5 100644
--- a/CHANGELOG.PHPExcel.md
+++ b/CHANGELOG.PHPExcel.md
@@ -209,7 +209,6 @@ confused with PhpSpreadsheet versions.
     - PHPExcel_Chart_Layout now has methods for getting/setting switches for displaying/hiding chart data labels- Discard single cell merge ranges when reading (stupid that Excel allows them in the first place) - @MarkBaker
 - Discard hidden autoFilter named ranges - @MarkBaker
 
-
 ## [1.7.7] - 2012-05-19
 
 ### Bugfixes
@@ -323,7 +322,6 @@ confused with PhpSpreadsheet versions.
 - Enhanced SheetViews element structures in the Excel2007 Writer for frozen panes. - @MarkBaker
 - Removed Serialized Reader/Writer as these no longer work. - @MarkBaker
 
-
 ## [1.7.5] - 2010-12-10
 
 ### Features
@@ -371,7 +369,6 @@ confused with PhpSpreadsheet versions.
 - Removed spurious PHP end tags (?>) - @MarkBaker
 - Improved performance (speed) and reduced memory overheads, particularly for the Writers, but across the whole library. - @MarkBaker
 
-
 ## [1.7.4] - 2010-08-26
 
 ### Bugfixes
@@ -410,7 +407,6 @@ confused with PhpSpreadsheet versions.
 - Correct handling for additional (synonym) formula tokens in Excel5 Reader - @MarkBaker
 - Additional reading of some Excel2007 Extended Properties (Company, Manager) - @MarkBaker
 
-
 ## [1.7.3c] - 2010-06-01
 
 ### Bugfixes
@@ -418,7 +414,6 @@ confused with PhpSpreadsheet versions.
 - Fatal error: Class 'ZipArchive' not found... ...Reader/Excel2007.php on line 217 - @MarkBaker [CodePlex #13012](https://phpexcel.codeplex.com/workitem/13012)
 - PHPExcel_Writer_Excel2007 error after 1.7.3b - @MarkBaker [CodePlex #13398](https://phpexcel.codeplex.com/workitem/13398)
 
-
 ## [1.7.3b] - 2010-05-31
 
 ### Bugfixes
@@ -426,7 +421,6 @@ confused with PhpSpreadsheet versions.
 - Infinite loop when reading - @MarkBaker [CodePlex #12903](https://phpexcel.codeplex.com/workitem/12903)
 - Wrong method chaining on PHPExcel_Worksheet class - @MarkBaker [CodePlex #13381](https://phpexcel.codeplex.com/workitem/13381)
 
-
 ## [1.7.3] - 2010-05-17
 
 ### General
@@ -531,7 +525,6 @@ confused with PhpSpreadsheet versions.
 - Cyclic Reference in Formula - @MarkBaker [CodePlex #12935](https://phpexcel.codeplex.com/workitem/12935)
 - Memory error...data validation? - @MarkBaker [CodePlex #13025](https://phpexcel.codeplex.com/workitem/13025)
 
-
 ## [1.7.2] - 2010-01-11
 
 ### General
@@ -590,7 +583,6 @@ confused with PhpSpreadsheet versions.
 - Cannot read A1 cell content - OO_Reader - @MarkBaker [CodePlex #10977](https://phpexcel.codeplex.com/workitem/10977)
 - Transliteration failed, invalid encoding - @Erik Tilt [CodePlex #11000](https://phpexcel.codeplex.com/workitem/11000)
 
-
 ## [1.7.1] - 2009-11-02
 
 ### General
@@ -694,7 +686,6 @@ confused with PhpSpreadsheet versions.
 - addExternalSheet() not returning worksheet - @Erik Tilt [CodePlex #10859](https://phpexcel.codeplex.com/workitem/10859)
 - Invalid results in formulas with named ranges - @MarkBaker [CodePlex #10629](https://phpexcel.codeplex.com/workitem/10629)
 
-
 ## [1.7.0] - 2009-08-10
 
 ### General
@@ -875,7 +866,6 @@ documentation for more information on entering dates into a cell.
 - Problem with text wrap + merged cells in HTML and PDF writer - @Erik Tilt [CodePlex #9784](https://phpexcel.codeplex.com/workitem/9784)
 - Adjacent path separators in include_path causing IOFactory to violate open_basedir restriction - @Erik Tilt [CodePlex #9814](https://phpexcel.codeplex.com/workitem/9814)
 
-
 ## [1.6.6] - 2009-03-02
 
 ### General
@@ -942,7 +932,6 @@ documentation for more information on entering dates into a cell.
 - setAutoSize not taking into account text rotation - @MB,ET [CodePlex #9356](https://phpexcel.codeplex.com/workitem/9356)
 - Call to undefined method PHPExcel_Worksheet_MemoryDrawing::getPath() in PHPExcel/Writer/HTML.php - @Erik Tilt [CodePlex #9372](https://phpexcel.codeplex.com/workitem/9372)
 
-
 ## [1.6.5] - 2009-01-05
 
 ### General
@@ -1013,7 +1002,6 @@ documentation for more information on entering dates into a cell.
 - Default style not read by PHPExcel_Reader_Excel2007 - @MarkBaker [CodePlex #8807](https://phpexcel.codeplex.com/workitem/8807)
 - Blank rows occupy too much space in file generated by PHPExcel_Writer_Excel2007 - @MarkBaker [CodePlex #9341](https://phpexcel.codeplex.com/workitem/9341)
 
-
 ## [1.6.4] - 2008-10-27
 
 ### Features
@@ -1112,7 +1100,6 @@ documentation for more information on entering dates into a cell.
 - Column width sometimes collapses to auto size using Excel2007 reader/writer - @MarkBaker [CodePlex #7886](https://phpexcel.codeplex.com/workitem/7886)
 - Data Validation Formula = 0 crashes Excel - @MarkBaker [CodePlex #9343](https://phpexcel.codeplex.com/workitem/9343)
 
-
 ## [1.6.3] - 2008-08-25
 
 ### General
@@ -1179,7 +1166,6 @@ documentation for more information on entering dates into a cell.
 - Excel2007 writer ignoring row dimensions without cells - @MarkBaker [CodePlex #7372](https://phpexcel.codeplex.com/workitem/7372)
 - Excel5 reader is converting formatted numbers / dates to strings - @Erik Tilt [CodePlex #7382](https://phpexcel.codeplex.com/workitem/7382)
 
-
 ## [1.6.2] - 2008-06-23
 
 ### General
@@ -1231,7 +1217,6 @@ documentation for more information on entering dates into a cell.
 - ShowGridLines ignored when reading/writing Excel 2007 - @MarkBaker [CodePlex #6359](https://phpexcel.codeplex.com/workitem/6359)
 - Bug With Word Wrap in Excel 2007 Reader - @MarkBaker [CodePlex #6426](https://phpexcel.codeplex.com/workitem/6426)
 
-
 ## [1.6.1] - 2008-04-28
 
 ### General
@@ -1262,7 +1247,6 @@ documentation for more information on entering dates into a cell.
 - PHPExcel_Reader_Excel2007 cannot load PHPExcel_Shared_File - @MarkBaker [CodePlex #5978](https://phpexcel.codeplex.com/workitem/5978)
 - Output redirection to web browser - @MarkBaker [CodePlex #6020](https://phpexcel.codeplex.com/workitem/6020)
 
-
 ## [1.6.0] - 2008-02-14
 
 ### Features
@@ -1289,7 +1273,6 @@ documentation for more information on entering dates into a cell.
 - Worksheet::setTitle() causes unwanted renaming - @MarkBaker [CodePlex #5361](https://phpexcel.codeplex.com/workitem/5361)
 - Hyperlinks not working. Results in broken xlsx file. - @MarkBaker [CodePlex #5407](https://phpexcel.codeplex.com/workitem/5407)
 
-
 ## [1.5.5] - 2007-12-24
 
 ### General
@@ -1358,7 +1341,6 @@ documentation for more information on entering dates into a cell.
 - Excel5Writer produces broken xls files after change mentioned in work item 4126 - @MarkBaker [CodePlex #4574](https://phpexcel.codeplex.com/workitem/4574)
 - Small bug in PHPExcel_Reader_Excel2007 function _readStyle - @MarkBaker [CodePlex #4797](https://phpexcel.codeplex.com/workitem/4797)
 
-
 ## [1.5.0] - 2007-10-23
 
 ### Features
@@ -1380,7 +1362,6 @@ documentation for more information on entering dates into a cell.
 - insertNewColumnBeforeByColumn undefined - @MarkBaker [CodePlex #3812](https://phpexcel.codeplex.com/workitem/3812)
 - Sheet references not working in formula (Excel5 Writer) - @MarkBaker [CodePlex #3893](https://phpexcel.codeplex.com/workitem/3893)
 
-
 ## [1.4.5] - 2007-08-23
 
 ### General
@@ -1416,7 +1397,6 @@ documentation for more information on entering dates into a cell.
 - Bug in Excel5 writer (storePanes) - @MarkBaker [CodePlex #3067](https://phpexcel.codeplex.com/workitem/3067)
 - Memory leak in PHPExcel_Style_Color - @MarkBaker [CodePlex #3077](https://phpexcel.codeplex.com/workitem/3077)
 
-
 ## [1.4.0] - 2007-07-23
 
 ### General
@@ -1441,7 +1421,6 @@ documentation for more information on entering dates into a cell.
 - Function setAutoFilterByColumnAndRow takes wrong arguments - @MarkBaker [CodePlex #2775](https://phpexcel.codeplex.com/workitem/2775)
 - Simplexml_load_file fails on ZipArchive - @MarkBaker [CodePlex #2858](https://phpexcel.codeplex.com/workitem/2858)
 
-
 ## [1.3.5] - 2007-06-27
 
 ### Features
@@ -1457,7 +1436,6 @@ documentation for more information on entering dates into a cell.
 - Empty relations when adding image to any sheet but the first one - @MarkBaker [CodePlex #2443](https://phpexcel.codeplex.com/workitem/2443)
 - Excel2007 crashes on print preview - @MarkBaker [CodePlex #2536](https://phpexcel.codeplex.com/workitem/2536)
 
-
 ## [1.3.0] - 2007-06-05
 
 ### General
@@ -1484,7 +1462,6 @@ documentation for more information on entering dates into a cell.
 - Bug in PHPExcel_Cell::stringFromColumnIndex - @SS [CodePlex #2353](https://phpexcel.codeplex.com/workitem/2353)
 - Reader: numFmts can be missing, use cellStyleXfs instead of cellXfs in styles - @JV [CodePlex #2353](https://phpexcel.codeplex.com/workitem/2353)
 
-
 ## [1.2.0] - 2007-04-26
 
 ### General
@@ -1513,7 +1490,6 @@ documentation for more information on entering dates into a cell.
 - Protect ranges of cells with a password - @MarkBaker [CodePlex #13](https://phpexcel.codeplex.com/workitem/13)
 - (style/fill/patternFill/fgColor or bgColor can be empty) - @JV [CodePlex #14](https://phpexcel.codeplex.com/workitem/14)
 
-
 ## [1.1.1] - 2007-03-26
 
 ### General
@@ -1521,7 +1497,6 @@ documentation for more information on entering dates into a cell.
 - Syntax error in "Classes/PHPExcel/Writer/Excel2007.php" on line 243 - @MarkBaker [CodePlex #1250](https://phpexcel.codeplex.com/workitem/1250)
 - Reader should check if file exists and throws an exception when it doesn't - @MarkBaker [CodePlex #1282](https://phpexcel.codeplex.com/workitem/1282)
 
-
 ## [1.1.0] - 2007-03-22
 
 ### Bugfixes
@@ -1538,7 +1513,6 @@ documentation for more information on entering dates into a cell.
 - Page breaks (horizontal and vertical) - @MarkBaker
 - Image shadows - @MarkBaker
 
-
 ## [1.0.0] - 2007-02-22
 
 ### Bugfixes
@@ -1563,35 +1537,30 @@ documentation for more information on entering dates into a cell.
 - Conditional formatting - @MarkBaker
 - Reader for Excel 2007 (not supporting full specification yet!) - @JV
 
-
 ## [1.0.0 RC] - 2007-01-31
 
 - Project name has been changed to PHPExcel
 - Project homepage is now http://www.codeplex.com/PHPExcel
 - Started versioning at number: PHPExcel 1.0.0 RC
 
-
 ## 2007-01-22
 
 - Fixed some performance issues on large-scale worksheets (mainly loops vs. indexed arrays)
 - Performance on creating StringTable has been increased
 - Performance on writing Excel2007 worksheet has been increased
 
-
 ## 2007-01-18
 
 - Images can now be rotated
 - Fixed bug: When drawings have full path specified, no mime type can be deducted
 - Fixed bug: Only one drawing can be added to a worksheet
 
-
 ## 2007-01-12
 
 - Refactoring of some classes to use ArrayObject instead of array()
 - Cell style now has support for number format (i.e. #,##0)
 - Implemented embedding images
 
-
 ## 2007-01-02
 
 - Cell style now has support for fills, including gradient fills
@@ -1600,7 +1569,6 @@ documentation for more information on entering dates into a cell.
 - Cell style now has support for font colors
 - Cell style now has support for alignment
 
-
 ## 2006-12-21
 
 - Support for cell style borders
@@ -1616,7 +1584,6 @@ documentation for more information on entering dates into a cell.
 - Worksheet now has support for row and column dimensions (height / width)
 - Exceptions thrown have a more clear description
 
-
 ## Initial version
 
 - Create a Spreadsheet object
diff --git a/docs/topics/memory_saving.md b/docs/topics/memory_saving.md
index 3efef43c..e6b744f4 100644
--- a/docs/topics/memory_saving.md
+++ b/docs/topics/memory_saving.md
@@ -51,7 +51,6 @@ One such library is [PHP Cache](https://www.php-cache.com/) which
 provides a wide range of alternatives. Refers to their documentation for
 details, but here are a few suggestions that should get you started.
 
-
 ### APCu
 
 Require the packages into your project:
diff --git a/docs/topics/migration-from-PHPExcel.md b/docs/topics/migration-from-PHPExcel.md
index e04a70e8..a65acca6 100644
--- a/docs/topics/migration-from-PHPExcel.md
+++ b/docs/topics/migration-from-PHPExcel.md
@@ -245,7 +245,6 @@ So the following were removed:
 - `PHPExcel_Shared_ZipArchive`
 - `PHPExcel_Shared_ZipStreamWrapper`
 
-
 ### Cell caching
 
 Cell caching was heavily refactored to leverage
diff --git a/docs/topics/reading-files.md b/docs/topics/reading-files.md
index a298404c..2026eecb 100644
--- a/docs/topics/reading-files.md
+++ b/docs/topics/reading-files.md
@@ -253,7 +253,6 @@ $inputFileType = 'Xls';
 $inputFileName = './sampleData/example1.xls';
 $sheetname = 'Data Sheet #3';
 
-
 /**  Define a Read Filter class implementing \PhpOffice\PhpSpreadsheet\Reader\IReadFilter  */
 class MyReadFilter implements \PhpOffice\PhpSpreadsheet\Reader\IReadFilter
 {
@@ -329,7 +328,6 @@ database.
 $inputFileType = 'Xls';
 $inputFileName = './sampleData/example2.xls';
 
-
 /**  Define a Read Filter class implementing \PhpOffice\PhpSpreadsheet\Reader\IReadFilter  */
 class ChunkReadFilter implements \PhpOffice\PhpSpreadsheet\Reader\IReadFilter
 {
@@ -351,11 +349,9 @@ class ChunkReadFilter implements \PhpOffice\PhpSpreadsheet\Reader\IReadFilter
     }
 }
 
-
 /**  Create a new Reader of the type defined in $inputFileType  **/
 $reader = \PhpOffice\PhpSpreadsheet\IOFactory::createReader($inputFileType);
 
-
 /**  Define how many rows we want to read for each "chunk"  **/
 $chunkSize = 2048;
 /**  Create a new Instance of our Read Filter  **/
@@ -407,7 +403,6 @@ $inputFileNames = array('./sampleData/example1.csv',
 /**  Create a new Reader of the type defined in $inputFileType  **/
 $reader = \PhpOffice\PhpSpreadsheet\IOFactory::createReader($inputFileType);
 
-
 /**  Extract the first named file from the array list  **/
 $inputFileName = array_shift($inputFileNames);
 /**  Load the initial file to the first worksheet in a `Spreadsheet` Object  **/
@@ -416,7 +411,6 @@ $spreadsheet = $reader->load($inputFileName);
 $spreadsheet->getActiveSheet()
     ->setTitle(pathinfo($inputFileName,PATHINFO_BASENAME));
 
-
 /**  Loop through all the remaining files in the list  **/
 foreach($inputFileNames as $sheet => $inputFileName) {
     /**  Increment the worksheet index pointer for the Reader  **/
@@ -461,12 +455,10 @@ file across several individual worksheets.
 $inputFileType = 'Csv';
 $inputFileName = './sampleData/example2.csv';
 
-
 echo 'Loading file ',pathinfo($inputFileName,PATHINFO_BASENAME),' using IOFactory with a defined reader type of ',$inputFileType,'<br />';
 /**  Create a new Reader of the type defined in $inputFileType  **/
 $reader = \PhpOffice\PhpSpreadsheet\IOFactory::createReader($inputFileType);
 
-
 /**  Define how many rows we want to read for each "chunk"  **/
 $chunkSize = 65530;
 /**  Create a new Instance of our Read Filter  **/
diff --git a/docs/topics/recipes.md b/docs/topics/recipes.md
index 6bfb66a1..0937dcae 100644
--- a/docs/topics/recipes.md
+++ b/docs/topics/recipes.md
@@ -770,7 +770,6 @@ startColor | getStartColor()
 endColor   | getEndColor()
 color      | getStartColor()
 
-
 **\PhpOffice\PhpSpreadsheet\Style\Font**
 
 Array key   | Maps to property
@@ -920,7 +919,6 @@ disallow inserting rows on a specific sheet, disallow sorting, ...
 - Cell: offers the option to lock/unlock a cell as well as show/hide
 the internal formula.
 
-
 An example on setting document security:
 
 ``` php