source typo fixes pt1 (only on py3 merged code)

issue 0002914

src/Mod/Spreadsheet/App/Sheet.cpp

@@ -711,7 +711,7 @@ void Sheet::recomputeCell(CellAddress p)
         if (cell)
             cell->setException(e.what());
 
-        // Mark as erronous
+        // Mark as erroneous
         cellErrors.insert(p);
     }
 
@@ -800,7 +800,7 @@ DocumentObjectExecReturn *Sheet::execute(void)
             while (i != VertexList.end()) {
                 Cell * cell = cells.getValue(i->first);
 
-                // Mark as erronous
+                // Mark as erroneous
                 cellErrors.insert(i->first);
 
                 if (cell)
@@ -1164,7 +1164,7 @@ std::string Sheet::getAddressFromAlias(const std::string &alias) const
 }
 
 /**
- * @brief Determine whether a given alias candiate is valid or not.
+ * @brief Determine whether a given alias candidate is valid or not.
  *
  * A candidate is valid is the string is syntactically correct,
  * and the alias does not conflict with an existing property.

src/Mod/Spreadsheet/App/Spreadsheet_legacy.py

@@ -102,7 +102,7 @@ class MathParser:
                 denominator = self.parseParenthesis()
                 if denominator == 0:
                     raise ZeroDivisionError(
-                        "Division by 0 kills baby whales (occured at index " +
+                        "Division by 0 kills baby whales (occurred at index " +
                         str(div_index) +
                         ")")
                 values.append(1.0 / denominator)
@@ -1007,7 +1007,7 @@ def makeSpreadsheetController(spreadsheet,cell=None,direction=None):
 
 def makeSpreadsheetPropertyController(spreadsheet,object=None,prop=None,cell=None):
     """makeSpreadsheetPropertyController(spreadsheet,[object,prop,cell]): adds a 
-    property controller, targetting the given object if any, to the given spreadsheet.
+    property controller, targeting the given object if any, to the given spreadsheet.
     You can give a property (such as "Length" or "Proxy.Length") and a cell address
     (such as "B6")."""
     obj = FreeCAD.ActiveDocument.addObject("App::FeaturePython","PropertyController")

src/Mod/Spreadsheet/TestSpreadsheet.py

@@ -736,7 +736,7 @@ class SpreadsheetCases(unittest.TestCase):
         self.assertIn('Up-to-date',sketch.State)
 
     def testCrossDocumentLinks(self):
-        """ Expressions accross files are not saved (bug #2442) """
+        """ Expressions across files are not saved (bug #2442) """
 
         # Create a box
         box = self.doc.addObject('Part::Box', 'Box')

src/Mod/Spreadsheet/importXLSX.py

@@ -339,7 +339,7 @@ def handleCells(cellList, actCellSheet, sList):
     if refType:
       cellType = getText(refType.childNodes)
     else:
-      cellType = 'n'   # fix me some cells dont have t and s attributes
+      cellType = 'n'   # FIXME: some cells don't have t and s attributes
 
     #print("reference: ", ref, ' Cell type: ', cellType)