spelling fixes (#18688)

* Fixes spelling of "Allow to" to "Allow one to"

and those variants:
Allows to -> Allows one to
allow to -> allow one to
allows to -> allows one to

* Fix "Let's -> Lets"

(and lower case variant.)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update src/3rdParty/salomesmesh/inc/MED_Wrapper.hxx

Co-authored-by: Chris Hennes <[email protected]>

* Update src/Base/PyObjectBase.cpp
Update src/App/ExtensionContainer.h
Update src/App/PropertyContainer.h

Co-authored-by: Chris Hennes <[email protected]>

* Use gerund in user-facing texts.

* Use gerund for two more user-facing strings.

Co-authored-by: Chris Hennes <[email protected]>

* Update src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp

Co-authored-by: Chris Hennes <[email protected]>

* Update src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp

Co-authored-by: Chris Hennes <[email protected]>

* Update src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp

Co-authored-by: Chris Hennes <[email protected]>

---------

Co-authored-by: Tobias Frost <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Chris Hennes <[email protected]>

src/3rdParty/salomesmesh/inc/MED_Wrapper.hxx

@@ -38,7 +38,7 @@ namespace MED
   struct MEDWRAPPER_EXPORT TWrapper
   {
     typedef boost::mutex TMutex;
-    //! This is a syncronization primitive which allow to support thread safety for the MED access
+    //! This is a synchronization primitive which allows one to support thread safety for the MED access
     TMutex myMutex;
 
     virtual

src/3rdParty/salomesmesh/inc/SMESH_Array1.hxx

@@ -29,7 +29,7 @@
 *              The range of the index is user defined.
 *              An array1 can be constructed with a "C array".
 *              This functionality is useful to call methods expecting
-*              an Array1. It allows to carry the bounds inside the arrays.
+*              an Array1. It allows one to carry the bounds inside the arrays.
 *              
 * Examples:    Item tab[100]; //  An example with a C array
 *              Array1OfItem ttab (tab[0],1,100);

src/3rdParty/salomesmesh/src/SMDS/SMDS_PolyhedralVolumeOfNodes.cpp

@@ -69,7 +69,7 @@ bool SMDS_PolyhedralVolumeOfNodes::ChangeNodes (const vector<const SMDS_MeshNode
   myNodesByFaces = nodes;
   myQuantities = quantities;
 
-  // Init fields of parent class, it allows to get only unique nodes(?)
+  // Init fields of parent class, it allows one to get only unique nodes(?)
 
   set<const SMDS_MeshNode *> aSet;
   aSet.insert( nodes.begin(), nodes.end());

src/3rdParty/salomesmesh/src/StdMeshers/StdMeshers_Cartesian_3D.cpp

@@ -3512,7 +3512,7 @@ bool StdMeshers_Cartesian_3D::Compute(SMESH_Mesh &         theMesh,
   // The algorithm generates the mesh in following steps:
 
   // 1) Intersection of grid lines with the geometry boundary.
-  // This step allows to find out if a given node of the initial grid is
+  // This step allows one to find out if a given node of the initial grid is
   // inside or outside the geometry.
 
   // 2) For each cell of the grid, check how many of it's nodes are outside

src/App/DocumentPyImp.cpp

@@ -353,7 +353,7 @@ PyObject* DocumentPy::addObject(PyObject* args, PyObject* kwd)
         str << "No document object found of type '" << sType << "'" << std::ends;
         throw Py::TypeError(str.str());
     }
-    // Allows to hide the handling with Proxy in client python code
+    // Allows one to hide the handling with Proxy in client python code
     if (obj) {
         try {
             // the python binding class to the document object

src/App/ExtensionContainer.h

@@ -39,7 +39,7 @@ class Extension;
  * impossible to handle multiple inheritance in the C-API for python extensions. Also using multiple
  * parent classes in python is currently not possible with the default object approach.
  *
- * The concept of extensions allow to circumvent those problems. Extensions are FreeCAD objects
+ * The concept of extensions allows one to circumvent those problems. Extensions are FreeCAD objects
  * which work like normal objects in the sense that they use properties and class methods to define
  * their functionality. However, they are not exposed as individual usable entities but are used to
  * extend other objects. A extended object gets all the properties and methods of the extension.

src/App/FeaturePython.h

@@ -162,7 +162,7 @@ public:
 };
 
 /**
- * Generic Python feature class which allows to behave every DocumentObject
+ * Generic Python feature class which allows one to behave every DocumentObject
  * derived class as Python feature -- simply by subclassing.
  * @author Werner Mayer
  */

src/App/FeaturePythonPyImp.inl

@@ -111,7 +111,7 @@ int FeaturePythonPyT<FeaturePyT>::__setattro(PyObject *obj, PyObject *attro, PyO
 {
     const char *attr;
     attr = PyUnicode_AsUTF8(attro);
-    // This overwrites PyObjectBase::__setattr because this actively disallows to delete an attribute
+    // This overwrites PyObjectBase::__setattr because this actively disallows one to delete an attribute
     //
 
     if (!static_cast<Base::PyObjectBase*>(obj)->isValid()){

src/App/PropertyContainer.h

@@ -70,7 +70,7 @@ struct AppExport PropertyData
   };
 
   //purpose of this struct is to be constructible from all acceptable container types and to
-  //be able to return the offset to a property from the accepted containers. This allows to use
+  //be able to return the offset to a property from the accepted containers. This allows you to use
   //one function implementation for multiple container types without losing all type safety by
   //accepting void*
   struct OffsetBase

src/Base/ConsoleObserver.h

@@ -95,7 +95,7 @@ private:
 };
 
 /** The ILoggerBlocker class
- *  This class allows to temporary block then automatically restore arbitrary message types
+ *  This class allows one to temporary block then automatically restore arbitrary message types
  *  on a particular console observer.
  */
 class BaseExport ILoggerBlocker

src/Base/PyObjectBase.cpp

@@ -96,7 +96,7 @@ PyObjectBase::~PyObjectBase()
  * To prevent subclasses of PyTypeObject to be subclassed in Python we should remove
  * the Py_TPFLAGS_BASETYPE flag. For example, the classes App::VectorPy and App::MatrixPy
  * have removed this flag and its Python proxies App.Vector and App.Matrix cannot be subclassed.
- * In case we want to allow to derive from subclasses of PyTypeObject in Python
+ * In case we want to allow a new class to derive from subclasses of PyTypeObject in Python
  * we must either reimplement tp_new, tp_dealloc, tp_getattr, tp_setattr, tp_repr or set them to
  * 0 and define tp_base as 0.
  */
@@ -367,7 +367,7 @@ int PyObjectBase::__setattro(PyObject *obj, PyObject *attro, PyObject *value)
     const char *attr{};
     attr = PyUnicode_AsUTF8(attro);
 
-    //Hint: In general we don't allow to delete attributes (i.e. value=0). However, if we want to allow
+    //Hint: In general we don't allow one to delete attributes (i.e. value=0). However, if we want to allow
     //we must check then in _setattr() of all subclasses whether value is 0.
     if (!value) {
         PyErr_Format(PyExc_AttributeError, "Cannot delete attribute: '%s'", attr);

src/Base/Sequencer.h

@@ -85,7 +85,7 @@ class SequencerLauncher;
  *        seq2.next ();
  *      }
  *
- *      seq1.next ( true ); // allow to cancel
+ *      seq1.next ( true ); // allow one to cancel
  *    }
  *  }
  *  catch(const Base::AbortException&){

src/Base/VectorPyImp.cpp

@@ -733,7 +733,7 @@ int VectorPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
 }
 
 // TODO: for v0.18
-// In generation script allow to more precisely define which slots
+// In generation script allow one to more precisely define which slots
 // of the number protocol should be supported instead of setting all.
 
 PyObject* VectorPy::number_divide_handler(PyObject* self, PyObject* other)

src/Gui/CallTips.cpp

@@ -168,7 +168,7 @@ void CallTipsList::validateCursor()
             hide();
         }
         else if (!word.isEmpty()){
-            // If the word is empty we should not allow to do a search,
+            // If the word is empty we should not allow one to do a search,
             // otherwise we may select the next item which is not okay in this
             // context. This might happen if e.g. Shift is pressed.
             keyboardSearch(word);

src/Gui/CommandWindow.cpp

@@ -475,7 +475,7 @@ bool StdCmdWindowsMenu::isActive()
 
 Action * StdCmdWindowsMenu::createAction()
 {
-    // Allow to show 10 menu items in the 'Window' menu and one separator.
+    // Allow one to show 10 menu items in the 'Window' menu and one separator.
     // If we have more windows then the user can use the 'Windows...' item.
     WindowAction *pcAction;
     pcAction = new WindowAction(this, getMainWindow());

src/Gui/DlgOnlineHelpImp.h

@@ -32,7 +32,7 @@ namespace Dialog {
 class Ui_DlgOnlineHelp;
 
 /** This class implements the dialog for downloading the online documentation.
- * Moreover it allows to specify location of the start page an an external browser.
+ * Moreover it allows one to specify location of the start page an an external browser.
  * Here you can specify to use a proxy if necessary and some more stuff.
  * \author Werner Mayer
  */

src/Gui/DlgParameterImp.cpp

@@ -513,7 +513,7 @@ void ParameterGroup::contextMenuEvent(QContextMenuEvent* event)
     QTreeWidgetItem* item = currentItem();
     if (item && item->isSelected()) {
         expandAct->setEnabled(item->childCount() > 0);
-        // do not allow to import parameters from a non-empty parameter group
+        // do not allow one to import parameters from a non-empty parameter group
         importAct->setEnabled(item->childCount() == 0);
 
         if (item->isExpanded()) {

src/Gui/GestureNavigationStyle.cpp

@@ -207,7 +207,7 @@ public:
         bool propagated = false; //flag that the event had been passed to superclass
     };
     std::shared_ptr<Flags> flags;
-    //storing these values as a separate unit allows to effectively write to
+    //storing these values as a separate unit allows one to effectively write to
     //const object. Statechart passes all events as const, unfortunately, so
     //this is a workaround. I've considered casting away const instead, but
     //the internet seems to have mixed opinion if it's undefined behavior or

src/Gui/GraphicsViewZoom.h

@@ -43,7 +43,7 @@
  *
  * Note that it becomes not possible when the scene's
  * size is not large enough comparing to the viewport size. QGraphicsView centers the picture
- * when it's smaller than the view. And QGraphicsView's scrolls boundaries don't allow to
+ * when it's smaller than the view. And QGraphicsView's scrolls boundaries don't allow one to
  * put any picture point at any viewport position.
  *
  * When the user starts scrolling, this class remembers original scene position and

src/Gui/InputField.cpp

@@ -737,7 +737,7 @@ QValidator::State InputField::validate(QString& input, int& pos) const
         std::string unitStr;
         res.getUserString(factor, unitStr);
         double value = res.getValue()/factor;
-        // disallow to enter numbers out of range
+        // disallow one to enter numbers out of range
         if (value > this->Maximum || value < this->Minimum)
             return QValidator::Invalid;
     }

src/Gui/MainWindow.cpp

@@ -2296,7 +2296,7 @@ void MainWindow::setWindowTitle(const QString& string)
         appname = QString::fromLatin1(App::Application::Config()["ExeName"].c_str());
     }
 
-    // allow to disable version number
+    // allow one to disable version number
     ParameterGrp::handle hGen = App::GetApplication().GetParameterGroupByPath(
         "User parameter:BaseApp/Preferences/General");
     bool showVersion = hGen->GetBool("ShowVersionInTitle", true);

src/Gui/MainWindow.h

@@ -182,7 +182,7 @@ public:
      * one gets created automatically if needed.
      *
      * If a url handler is registered that supports its scheme it will be delegated
-     * to this handler. This mechanism allows to change the default behaviour.
+     * to this handler. This mechanism allows one to change the default behaviour.
      */
     void loadUrls(App::Document*, const QList<QUrl>&);
     /**
@@ -288,7 +288,7 @@ protected:
     void dragEnterEvent(QDragEnterEvent * e) override;
     /**
      * This method is called from the Qt framework automatically whenever a
-     * QTranslator object has been installed. This allows to translate all
+     * QTranslator object has been installed. This allows one to translate all
      * relevant user visible text.
      */
     void changeEvent(QEvent *e) override;

src/Gui/ManualAlignment.cpp

@@ -958,7 +958,7 @@ void ManualAlignment::align()
                             .arg(myFixedGroup.countPoints()));
     }
     else {
-        // do not allow to pick further points
+        // do not allow one to pick further points
         myAlignModel.activeGroup().removeFromViewer(myViewer->getViewer(0));
         myAlignModel.activeGroup().setAlignable(false);
         std::vector<App::DocumentObject*> pViews = myAlignModel.activeGroup().getViews();

src/Gui/MayaGestureNavigationStyle.cpp

@@ -501,7 +501,7 @@ SbBool MayaGestureNavigationStyle::processSoEvent(const SoEvent * const ev)
             switch(button){
                 case SoMouseButtonEvent::BUTTON1:
                 case SoMouseButtonEvent::BUTTON2:
-                case SoMouseButtonEvent::BUTTON3: // allows to release button3 into SELECTION mode
+                case SoMouseButtonEvent::BUTTON3: // allows one to release button3 into SELECTION mode
                     if(comboAfter & BUTTON1DOWN || comboAfter & BUTTON2DOWN) {
                         //don't leave navigation till all buttons have been released
                         if (comboAfter & BUTTON1DOWN && comboAfter & BUTTON2DOWN) {

src/Gui/NotificationArea.cpp

@@ -552,7 +552,7 @@ public:
     }
 
     /** pushes all Notification Items to the fast cache (this also prevents all unnecessary
-     * signaling from parents) and allows to accelerate insertions and deletions
+     * signaling from parents) and allows one to accelerate insertions and deletions
      */
     void shiftToCache()
     {

src/Gui/OnlineDocumentation.cpp

@@ -364,7 +364,7 @@ void StdCmdPythonHelp::activated(int iMsg)
 
 bool Gui::OpenURLInBrowser(const char* URL)
 {
-    // The webbrowser Python module allows to start the system browser in an OS-independent way
+    // The webbrowser Python module allows one to start the system browser in an OS-independent way
     Base::PyGILStateLocker lock;
     try {
         PyObject* module = PyImport_ImportModule("webbrowser");

src/Gui/PythonConsole.cpp

@@ -1110,7 +1110,7 @@ bool PythonConsole::canInsertFromMimeData (const QMimeData * source) const
 }
 
 /**
- * Allow to paste plain text or urls of text files.
+ * Allow one to paste plain text or urls of text files.
  */
 void PythonConsole::insertFromMimeData (const QMimeData * source)
 {
@@ -1601,7 +1601,7 @@ bool ConsoleHistory::next()
 
 /**
  * prev switches the history pointer to the previous item.
- * The optional parameter prefix allows to search the history selectively for commands that start
+ * The optional parameter prefix allows one to search the history selectively for commands that start
  *   with a certain character sequence.
  * @param prefix - prefix string for searching backwards in history, empty string by default
  * @return true if the pointer was switched to an earlier item, false otherwise.

src/Gui/PythonConsolePy.h

@@ -33,7 +33,7 @@ class PythonConsole;
 
 /**
  * Python class for redirection of stdout to FreeCAD's Python
- * console window. This allows to show all Python messages in
+ * console window. This allows one to show all Python messages in
  * the same window where the commands are performed.
  * @see PythonStderr
  * @see PythonConsole
@@ -59,7 +59,7 @@ public:
 
 /**
  * Python class for redirection of stderr to FreeCAD's Python
- * console window. This allows to show all Python messages in
+ * console window. This allows one to show all Python messages in
  * the same window where the commands are performed.
  * @see PythonStdout
  * @see PythonConsole
@@ -85,7 +85,7 @@ public:
 
 /**
  * Python class for redirection of stdout to FreeCAD's output
- * console window. This allows to report all Python output to
+ * console window. This allows one to report all Python output to
  * the report view which simplifies debugging scripts.
  * @see PythonStdout
  * @see PythonStderr
@@ -108,7 +108,7 @@ public:
 
 /**
  * Python class for redirection of stderr to FreeCAD's output
- * console window. This allows to report all Python errors to
+ * console window. This allows one to report all Python errors to
  * the report view which simplifies error tracking.
  * @see PythonStdout
  * @see PythonStderr

src/Gui/QSint/actionpanel/actionbox.h

@@ -57,7 +57,7 @@ namespace QSint
     connect(action2, SIGNAL(clicked()), this, SLOT(action2clicked()));
     \endcode
 
-    createItem() also allows to create an ActionLabel from already existing QAction:
+    createItem() also allows one to create an ActionLabel from already existing QAction:
 
     \code
     QAction myAction3(":/icons/action3icon.png", "Action3 Text");
@@ -195,7 +195,7 @@ public:
       one below another.
 
       You can add action to the specified layout passing it as \a l parameter.
-      This allows to do custom actions arrangements, i.e. horizontal etc.
+      This allows one to do custom actions arrangements, i.e. horizontal etc.
 
       \since 0.2
       */

src/Gui/QSint/actionpanel/actiongroup.h

@@ -72,7 +72,7 @@ public:
       one below another.
 
       Set \a addToLayout to \a false if you want to add the action to the specified layout manually.
-      This allows to do custom actions arrangements, i.e. horizontal etc.
+      This allows one to do custom actions arrangements, i.e. horizontal etc.
 
       If \a addStretch is set to \a true (default),
       ActionLabel will be automatically aligned to the left side of the ActionGroup.

src/Gui/SoFCOffscreenRenderer.h

@@ -45,7 +45,7 @@ class GuiExport SoFCOffscreenRenderer : public SoOffscreenRenderer
 public:
     /** The SoOffscreenRenderer base class seems to have a huge memory leak. Whenever
      * an instance is created internal memory doesn't get freed when destroying it.
-     * Thus, SoFCOffscreenRenderer is implemented as singleton to allow to create only
+     * Thus, SoFCOffscreenRenderer is implemented as singleton to allow one to create only
      * one global instance. So, the memory is leaking for this instance only.
      */
     static SoFCOffscreenRenderer& instance();

src/Gui/SpinBox.h

@@ -106,7 +106,7 @@ class UIntSpinBoxPrivate;
 /**
  * The UIntSpinBox class does basically the same as Qt's QSpinBox unless
  * that it works with unsigned int's instead.
- * This allows to use numbers in the range of [0, UINT_MAX]
+ * This allows one to use numbers in the range of [0, UINT_MAX]
  * @author Werner Mayer
  */
 class GuiExport UIntSpinBox : public QSpinBox, public ExpressionSpinBox

src/Gui/SplitView3DInventor.h

@@ -35,7 +35,7 @@ class View3DInventorViewer;
 class AbstractSplitViewPy;
 class View3DSettings;
 
-/** The SplitView3DInventor class allows to create a window with two or more Inventor views.
+/** The SplitView3DInventor class allows one to create a window with two or more Inventor views.
  *  \author Werner Mayer
  */
 class GuiExport AbstractSplitView : public MDIView
@@ -106,7 +106,7 @@ private:
     Gui::MDIViewPy base;
 };
 
-/** The SplitView3DInventor class allows to create a window with two or more Inventor views.
+/** The SplitView3DInventor class allows one to create a window with two or more Inventor views.
  *  \author Werner Mayer
  */
 class GuiExport SplitView3DInventor : public AbstractSplitView

src/Gui/ToolBox.h

@@ -43,7 +43,7 @@ namespace DockWnd
  *
  * Items are added using addItem(), or inserted at particular positions using insertItem(). The total number of
  * items is given by count(). Items can be deleted with delete, or removed from the toolbox with removeItem().
- * Combining removeItem() and insertItem() allows to move items to different positions.
+ * Combining removeItem() and insertItem() allows one to move items to different positions.
  *
  * The current item widget is returned by currentItem() and set with setCurrentItem(). If you prefer you can
  * work in terms of indexes using currentIndex(), setCurrentIndex(), indexOf() and item().

src/Gui/View3DInventor.cpp

@@ -872,7 +872,7 @@ bool View3DInventor::eventFilter(QObject* watched, QEvent* e)
 {
     // As long as this widget is a top-level window (either in 'TopLevel' or 'FullScreen' mode) we
     // need to be notified when an action is added to a widget. This action must also be added to
-    // this window to allow to make use of its shortcut (if defined).
+    // this window to allow one to make use of its shortcut (if defined).
     // Note: We don't need to care about removing an action if its parent widget gets destroyed.
     // This does the action itself for us.
     if (watched != this && e->type() == QEvent::ActionAdded) {

src/Gui/ViewProviderExtensionPython.h

@@ -30,7 +30,7 @@
 namespace Gui {
 
 /**
- * Generic Python extension class which allows to behave every extension
+ * Generic Python extension class which allows one to behave every extension
  * derived class as Python extension -- simply by subclassing.
  */
 template <class ExtensionT>

src/Gui/Widgets.h

@@ -53,7 +53,7 @@ class PrefCheckBox;
 class CommandViewItemPrivate;
 
 /**
- * This class allows to drag one or more items which correspond to a Command object.
+ * This class allows one to drag one or more items which correspond to a Command object.
  * The dragged items can be dropped onto the @ref Gui::PythonConsole.
  * @see CommandViewItem, Command
  * @author Werner Mayer

src/Gui/WorkbenchManipulator.h

@@ -38,7 +38,7 @@ class MenuItem;
 class ToolBarItem;
 
 /**
- * The WorkbenchManipulator is a class that allows to modify the workbench
+ * The WorkbenchManipulator is a class that allows one to modify the workbench
  * by adding or removing commands.
  * WorkbenchManipulator provides methods to manipulate the MenuItem, ToolBarItem or
  * DockWindowItems structure before setting up the workbench.

src/Mod/Assembly/Gui/Resources/preferences/Assembly.ui

@@ -17,7 +17,7 @@
    <item row="0" column="0">
     <widget class="Gui::PrefCheckBox" name="checkBoxEnableEscape">
      <property name="toolTip">
-      <string>Allow to leave edit mode when pressing Esc button</string>
+      <string>Allows leaving edit mode when pressing Esc button</string>
      </property>
      <property name="text">
       <string>Esc leaves edit mode</string>

src/Mod/BIM/ArchNesting.py

@@ -161,9 +161,9 @@ class Nester:
                     return
 
         # TODO
-        # allow to use a non-rectangular container
+        # allow one to use a non-rectangular container
         # manage margins/paddings
-        # allow to prevent or force specific rotations for a piece
+        # allow one to prevent or force specific rotations for a piece
 
         # LONG-TERM TODO
         # add genetic algo to swap pieces, and check if the result is better

src/Mod/BIM/ArchStairs.py

@@ -1272,7 +1272,7 @@ class _Stairs(ArchComponent.Component):
             if obj.LastSegment.Proxy.OutlineRailArcLeftAll: # need if?
                 outlineRailArcLeftAll.extend(obj.LastSegment.Proxy.OutlineRailArcLeftAll)
 
-            if (outlineLeftAll[-1] - obj.OutlineLeft[0]).Length < 0.01: # To avoid 2 points overlapping fail creating LineSegment # TODO to allow tolerance Part.LineSegment / edge.toShape() allow?
+            if (outlineLeftAll[-1] - obj.OutlineLeft[0]).Length < 0.01: # To avoid 2 points overlapping fail creating LineSegment # TODO to allow one tolerance Part.LineSegment / edge.toShape() allow?
                 # no need abs() after .Length right?
                 del outlineLeftAll[-1]
                 del outlineRailArcLeftAll[-1]

src/Mod/BIM/ArchVRM.py

@@ -34,7 +34,7 @@ from draftutils import params
 #  \ingroup ARCH
 #  \brief The Arch Vector Rendering Module
 #
-#  This module provides the Renderer Class, that allows to
+#  This module provides the Renderer Class, that allows one to
 #  produce SVG renderings of projected shapes, with filled faces.
 #  It is used by the "Solid" mode of Arch views in TechDraw and Drawing,
 #  and is called from ArchSectionPlane code.

src/Mod/BIM/Resources/ui/preferences-ifc-export.ui

@@ -171,8 +171,8 @@ is exported. This leads to smaller differences between file versions.</string>
       <item>
        <widget class="Gui::PrefCheckBox" name="checkBox_10">
         <property name="toolTip">
-         <string>IFCOpenShell is a library that allows to import IFC files.
-Its serializer functionality allows to give it an OCC shape and it will
+         <string>IFCOpenShell is a library that enables importing IFC files.
+Its serializer functionality allows giving it an OCC shape and it will
 produce adequate IFC geometry: NURBS, faceted, or anything else.
 Note: The serializer is still an experimental feature!</string>
         </property>

src/Mod/BIM/bimcommands/BimLayers.py

@@ -124,7 +124,7 @@ class BIM_Layers:
         self.dialog.tree.setRootIsDecorated(False)  # removes spacing in first column
         self.dialog.tree.setSelectionMode(
             QtGui.QTreeView.ExtendedSelection
-        )  # allow to select many
+        )  # allow one to select many
 
         # fill the tree view
         self.update()

src/Mod/BIM/importers/exportIFC.py

@@ -174,7 +174,7 @@ def getPreferences():
     if hasattr(ifcopenshell, "schema_identifier"):
         schema = ifcopenshell.schema_identifier
     else:
-        # v0.6 onwards allows to set our own schema
+        # v0.6 onwards allows one to set our own schema
         schema = PARAMS.GetString("DefaultIfcExportVersion", "IFC4")
     preferences["SCHEMA"] = schema
 
@@ -266,7 +266,7 @@ def export(exportList, filename, colors=None, preferences=None):
     if history:
         history = history[0]
     else:
-        # IFC4 allows to not write any history
+        # IFC4 allows one to not write any history
         history = None
     objectslist = Draft.get_group_contents(exportList, walls=True,
                                            addgroups=True)

src/Mod/BIM/importers/importIFC.py

@@ -229,7 +229,7 @@ def insert(srcfile, docname, skip=[], only=[], root=None, preferences=None):
 
     global parametrics
 
-    # allow to override the root element
+    # allow one to override the root element
     if root:
         preferences['ROOT_ELEMENT'] = root
 

src/Mod/BIM/nativeifc/ifc_objects.py

@@ -35,7 +35,7 @@ class ifc_object:
 
     def __init__(self, otype=None):
         self.cached = True  # this marks that the object is freshly created and its shape should be taken from cache
-        self.virgin_placement = True  # this allows to set the initial placement without triggering any placement change
+        self.virgin_placement = True  # this allows one to set the initial placement without triggering any placement change
         if otype:
             self.Type = (
                 otype[0].upper() + otype[1:]

src/Mod/BIM/nativeifc/ifc_selftest.py

@@ -44,7 +44,7 @@ import difflib
 IFC_FILE_PATH = None  # downloaded IFC file path
 FCSTD_FILE_PATH = None  # saved FreeCAD file
 PARAMS = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/NativeIFC")
-SINGLEDOC = False  # This allows to force singledoc mode for all tests
+SINGLEDOC = False  # This allows one to force singledoc mode for all tests
 SDU = int(SINGLEDOC)  # number of objects is different in singledoc
 # See also IFCFILECONTENT at the end of this file, retrieved from
 # https://github.com/aothms/IfcOpenHouse/IfcOpenHouse_IFC4.ifc

src/Mod/CAM/Gui/Resources/panels/DogboneEdit.ui

@@ -111,7 +111,7 @@
        <item row="2" column="1">
         <widget class="QComboBox" name="incisionCombo">
          <property name="toolTip">
-          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Determines the incision length of the bone to be inserted into the profile.&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;adaptive&lt;/span&gt; ... the length is adapted to cover the corner based on the angle of its edges, taking the current tool radius into account (default)&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;fixed&lt;/span&gt; ... is the same as adaptive for straight angles. For T-bones it's the radius of the tool (R) and for dogbones it's R * (2/√2 - 1).&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;custom&lt;/span&gt; ... let's you specify a custom (fixed) length below&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Determines the incision length of the bone to be inserted into the profile.&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;adaptive&lt;/span&gt; ... the length is adapted to cover the corner based on the angle of its edges, taking the current tool radius into account (default)&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;fixed&lt;/span&gt; ... is the same as adaptive for straight angles. For T-bones it's the radius of the tool (R) and for dogbones it's R * (2/√2 - 1).&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;custom&lt;/span&gt; ... lets you specify a custom (fixed) length below&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
          </property>
          <property name="currentIndex">
           <number>2</number>

src/Mod/CAM/Gui/Resources/translations/CAM_gl.ts

@@ -2981,8 +2981,8 @@ Should multiple tools or tool shapes with the same name exist in different direc
     </message>
     <message>
       <location filename="../panels/DogboneEdit.ui" line="114"/>
-      <source>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Determines the incision length of the bone to be inserted into the profile.&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;adaptive&lt;/span&gt; ... the length is adapted to cover the corner based on the angle of its edges, taking the current tool radius into account (default)&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;fixed&lt;/span&gt; ... is the same as adaptive for straight angles. For T-bones it's the radius of the tool (R) and for dogbones it's R * (2/√2 - 1).&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;custom&lt;/span&gt; ... let's you specify a custom (fixed) length below&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</source>
-      <translation type="unfinished">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Determines the incision length of the bone to be inserted into the profile.&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;adaptive&lt;/span&gt; ... the length is adapted to cover the corner based on the angle of its edges, taking the current tool radius into account (default)&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;fixed&lt;/span&gt; ... is the same as adaptive for straight angles. For T-bones it's the radius of the tool (R) and for dogbones it's R * (2/√2 - 1).&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;custom&lt;/span&gt; ... let's you specify a custom (fixed) length below&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</translation>
+      <source>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Determines the incision length of the bone to be inserted into the profile.&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;adaptive&lt;/span&gt; ... the length is adapted to cover the corner based on the angle of its edges, taking the current tool radius into account (default)&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;fixed&lt;/span&gt; ... is the same as adaptive for straight angles. For T-bones it's the radius of the tool (R) and for dogbones it's R * (2/√2 - 1).&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;custom&lt;/span&gt; ... lets you specify a custom (fixed) length below&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</source>
+      <translation type="unfinished">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Determines the incision length of the bone to be inserted into the profile.&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;adaptive&lt;/span&gt; ... the length is adapted to cover the corner based on the angle of its edges, taking the current tool radius into account (default)&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;fixed&lt;/span&gt; ... is the same as adaptive for straight angles. For T-bones it's the radius of the tool (R) and for dogbones it's R * (2/√2 - 1).&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;custom&lt;/span&gt; ... lets you specify a custom (fixed) length below&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</translation>
     </message>
     <message>
       <location filename="../panels/DogboneEdit.ui" line="121"/>

src/Mod/CAM/Gui/Resources/translations/CAM_id.ts

@@ -2981,8 +2981,8 @@ Should multiple tools or tool shapes with the same name exist in different direc
     </message>
     <message>
       <location filename="../panels/DogboneEdit.ui" line="114"/>
-      <source>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Determines the incision length of the bone to be inserted into the profile.&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;adaptive&lt;/span&gt; ... the length is adapted to cover the corner based on the angle of its edges, taking the current tool radius into account (default)&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;fixed&lt;/span&gt; ... is the same as adaptive for straight angles. For T-bones it's the radius of the tool (R) and for dogbones it's R * (2/√2 - 1).&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;custom&lt;/span&gt; ... let's you specify a custom (fixed) length below&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</source>
-      <translation type="unfinished">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Determines the incision length of the bone to be inserted into the profile.&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;adaptive&lt;/span&gt; ... the length is adapted to cover the corner based on the angle of its edges, taking the current tool radius into account (default)&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;fixed&lt;/span&gt; ... is the same as adaptive for straight angles. For T-bones it's the radius of the tool (R) and for dogbones it's R * (2/√2 - 1).&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;custom&lt;/span&gt; ... let's you specify a custom (fixed) length below&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</translation>
+      <source>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Determines the incision length of the bone to be inserted into the profile.&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;adaptive&lt;/span&gt; ... the length is adapted to cover the corner based on the angle of its edges, taking the current tool radius into account (default)&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;fixed&lt;/span&gt; ... is the same as adaptive for straight angles. For T-bones it's the radius of the tool (R) and for dogbones it's R * (2/√2 - 1).&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;custom&lt;/span&gt; ... lets you specify a custom (fixed) length below&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</source>
+      <translation type="unfinished">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Determines the incision length of the bone to be inserted into the profile.&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;adaptive&lt;/span&gt; ... the length is adapted to cover the corner based on the angle of its edges, taking the current tool radius into account (default)&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;fixed&lt;/span&gt; ... is the same as adaptive for straight angles. For T-bones it's the radius of the tool (R) and for dogbones it's R * (2/√2 - 1).&lt;/p&gt;&lt;p&gt;&lt;span style=" font-weight:600; font-style:italic;"&gt;custom&lt;/span&gt; ... lets you specify a custom (fixed) length below&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</translation>
     </message>
     <message>
       <location filename="../panels/DogboneEdit.ui" line="121"/>

src/Mod/CAM/Path/Op/Vcarve.py

@@ -168,11 +168,11 @@ class _Geometry(object):
         :returns: True if successful, False if maximum depth achieved
         """
 
-        # do not allow to increase depth if we are already at stop depth
+        # do not allow one to increase depth if we are already at stop depth
         if self.maximumDepth == self.stop:
             return False
 
-        # do not allow to increase depth if we are already at
+        # do not allow one to increase depth if we are already at
         # maximum usable depth
 
         if self.maximumDepth <= maximumUsableDepth:

src/Mod/Draft/Resources/ui/preferences-draft.ui

@@ -169,7 +169,7 @@ Objects can then automatically be added to groups as well.</string>
        <widget class="Gui::PrefCheckBox" name="checkBox_focusOnLength">
         <property name="toolTip">
          <string>If checked, Length input, instead of the X coordinate, will have the initial focus.
-This allows to indicate a direction and then type a distance.</string>
+This allows indicating a direction and then type a distance.</string>
         </property>
         <property name="text">
          <string>Set focus on Length instead of X coordinate</string>

src/Mod/Draft/draftguitools/gui_beziers.py

@@ -125,7 +125,7 @@ class BezCurve(gui_lines.Line):
                     self.finish(cont=None, closed=False)
                 if len(self.node) > 2:
                     # does this make sense for a BCurve?
-                    # DNC: allows to close the curve
+                    # DNC: allows one to close the curve
                     # by placing ends close to each other
                     # with tol = Draft tolerance
                     # old code has been to insensitive
@@ -327,7 +327,7 @@ class CubicBezCurve(gui_lines.Line):
                         # add point to "clicked list"
                         self.node.append(self.point)
                         self.drawUpdate(self.point)
-                        # DNC: allows to close the curve
+                        # DNC: allows one to close the curve
                         # by placing ends close to each other
                         # with tol = Draft tolerance
                         # old code has been to insensitive
@@ -363,7 +363,7 @@ class CubicBezCurve(gui_lines.Line):
                     if len(self.node) > 2:
                         self.node[-3] = 2 * self.node[-2] - self.node[-1]
                         self.drawUpdate(self.point)
-                        # DNC: allows to close the curve
+                        # DNC: allows one to close the curve
                         # by placing ends close to each other
                         # with tol = Draft tolerance
                         # old code has been to insensitive

src/Mod/Draft/draftguitools/gui_edit_draft_objects.py

@@ -648,7 +648,7 @@ class DraftBezCurveGuiTools(GuiTools):
         (object, Points as list, nodeIndex as Int, App.Vector of new point, moveTrackers as Bool)
         return the new point list, applying the App.Vector to the given index point
         """
-        # DNC: allows to close the curve by placing ends close to each other
+        # DNC: allows one to close the curve by placing ends close to each other
         tol = 0.001
         if ( ( idx == 0 ) and ( (v - pts[-1]).Length < tol) ) or (
                 idx == len(pts) - 1 ) and ( (v - pts[0]).Length < tol):
@@ -716,7 +716,7 @@ class DraftBezCurveGuiTools(GuiTools):
         if deg < 2:
             return
         if point % deg != 0:  # point is a pole
-            if deg >=3:  # allow to select poles
+            if deg >=3:  # allow one to select poles
                 if (point % deg == 1) and (point > 2 or obj.Closed): #right pole
                     knot = point -1
                     keepp = point

src/Mod/Draft/draftguitools/gui_layers.py

@@ -142,7 +142,7 @@ class LayerManager:
         self.dialog.tree.setItemDelegate(Layers_Delegate())
         self.dialog.tree.setItemsExpandable(False)
         self.dialog.tree.setRootIsDecorated(False) # removes spacing in first column
-        self.dialog.tree.setSelectionMode(QtWidgets.QTreeView.ExtendedSelection) # allow to select many
+        self.dialog.tree.setSelectionMode(QtWidgets.QTreeView.ExtendedSelection) # allow one to select many
 
         # fill the tree view
         self.update()

src/Mod/Draft/draftguitools/gui_splines.py

@@ -112,7 +112,7 @@ class BSpline(gui_lines.Line):
                 if self.mode == "line" and len(self.node) == 2:
                     self.finish(cont=None, closed=False)
                 if len(self.node) > 2:
-                    # DNC: allows to close the curve
+                    # DNC: allows one to close the curve
                     # by placing ends close to each other
                     # with tol = Draft tolerance
                     # old code has been to insensitive

src/Mod/Draft/draftguitools/gui_trackers.py

@@ -439,7 +439,7 @@ class bsplineTracker(Tracker):
                 self.sep.removeChild(self.bspline)
             self.bspline = None
             c =  Part.BSplineCurve()
-            # DNC: allows to close the curve by placing ends close to each other
+            # DNC: allows one to close the curve by placing ends close to each other
             if len(self.points) >= 3 and ( (self.points[0] - self.points[-1]).Length < Draft.tolerance() ):
                 # YVH: Added a try to bypass some hazardous situations
                 try:
@@ -695,7 +695,7 @@ class arcTracker(Tracker):
 
 
 class ghostTracker(Tracker):
-    """A Ghost tracker, that allows to copy whole object representations.
+    """A Ghost tracker, that allows one to copy whole object representations.
 
     You can pass it an object or a list of objects, or a shape.
     """

src/Mod/Draft/drafttaskpanels/task_circulararray.py

@@ -200,7 +200,7 @@ class TaskPanelCircularArray:
         """Check that the input is valid.
 
         Some values may not need to be checked because
-        the interface may not allow to input wrong data.
+        the interface may not allow one to input wrong data.
         """
         if not selection:
             _err(translate("draft","At least one element must be selected."))

src/Mod/Draft/drafttaskpanels/task_orthoarray.py

@@ -193,7 +193,7 @@ class TaskPanelOrthoArray:
         """Check that the input is valid.
 
         Some values may not need to be checked because
-        the interface may not allow to input wrong data.
+        the interface may not allow one to input wrong data.
         """
         if not selection:
             _err(translate("draft","At least one element must be selected."))

src/Mod/Draft/drafttaskpanels/task_polararray.py

@@ -180,7 +180,7 @@ class TaskPanelPolarArray:
         """Check that the input is valid.
 
         Some values may not need to be checked because
-        the interface may not allow to input wrong data.
+        the interface may not allow one to input wrong data.
         """
         if not selection:
             _err(translate("draft","At least one element must be selected."))

src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp

@@ -62,19 +62,19 @@ FemMeshShapeNetgenObject::FemMeshShapeNetgenObject()
         (0.3),
         "MeshParams",
         Prop_None,
-        " allows to define how much the linear dimensions of two adjacent cells can differ");
+        " allows defining how much the linear dimensions of two adjacent cells can differ");
     ADD_PROPERTY_TYPE(
         NbSegsPerEdge,
         (1),
         "MeshParams",
         Prop_None,
-        "allows to define the minimum number of mesh segments in which edges will be split");
+        "allows defining the minimum number of mesh segments in which edges will be split");
     ADD_PROPERTY_TYPE(
         NbSegsPerRadius,
         (2),
         "MeshParams",
         Prop_None,
-        "allows to define the minimum number of mesh segments in which radiuses will be split");
+        "allows defining the minimum number of mesh segments in which radii will be split");
     ADD_PROPERTY_TYPE(Optimize, (true), "MeshParams", Prop_None, "Optimize the resulting mesh");
 }
 

src/Mod/Fem/femsolver/elmer/equations/linear.py

@@ -94,7 +94,7 @@ class Proxy(equation.Proxy):
         obj.LinearPreconditioning = "ILU0"
         # we must set an expression because we don't have a UI, the user has to
         # view and edit the tolerance via the property editor and this does not
-        # yet allow to view and edit small numbers in scientific notation
+        # yet allow one to view and edit small numbers in scientific notation
         # forum thread: https://forum.freecad.org/viewtopic.php?p=613897#p613897
         obj.setExpression("LinearTolerance", "1e-10")
         obj.LinearSolverType = LINEAR_SOLVER

src/Mod/Fem/femsolver/elmer/equations/nonlinear.py

@@ -72,7 +72,7 @@ class Proxy(linear.Proxy):
         obj.NonlinearNewtonAfterIterations = (3, 1, 500, 1)
         # for small numbers we must set an expression because we don't have a UI,
         # the user has to view and edit the tolerance via the property editor and
-        # this does not yet allow to view and edit small numbers in scientific notation
+        # this does not yet allow one to view and edit small numbers in scientific notation
         # forum thread: https://forum.freecad.org/viewtopic.php?p=613897#p613897
         obj.setExpression("NonlinearTolerance", "1e-7")
         obj.setExpression("NonlinearNewtonAfterTolerance", "1e-3")

src/Mod/Import/App/ExportOCAF2.cpp

@@ -223,7 +223,7 @@ void ExportOCAF2::setupObject(TDF_Label label,
             // parent object internal name + '_i<index>'
             names.push_back(prefix + obj->getNameInDocument() + "_i" + name + ".");
         }
-        // Finally, the subname reference allows to use the label for naming
+        // Finally, the subname reference allows one to use the label for naming
         // with preceding '$'
         names.push_back(prefix + "$" + obj->Label.getValue() + ".");
     }

src/Mod/Material/Gui/DlgDisplayPropertiesImp.cpp

@@ -370,7 +370,7 @@ void DlgDisplayPropertiesImp::reject()
 }
 
 /**
- * Opens a dialog that allows to modify the 'ShapeMaterial' property of all selected view providers.
+ * Opens a dialog that allows one to modify the 'ShapeMaterial' property of all selected view providers.
  */
 void DlgDisplayPropertiesImp::onButtonCustomAppearanceClicked()
 {
@@ -393,7 +393,7 @@ void DlgDisplayPropertiesImp::onButtonCustomAppearanceClicked()
 }
 
 /**
- * Opens a dialog that allows to modify the 'ShapeMaterial' property of all selected view providers.
+ * Opens a dialog that allows one to modify the 'ShapeMaterial' property of all selected view providers.
  */
 void DlgDisplayPropertiesImp::onButtonColorPlotClicked()
 {

src/Mod/Material/MaterialEditor.py

@@ -107,7 +107,7 @@ class MaterialEditor:
         standardButtons.button(QtGui.QDialogButtonBox.Ok).setAutoDefault(False)
         standardButtons.button(QtGui.QDialogButtonBox.Cancel).setAutoDefault(False)
         self.updateCardsInCombo()
-        # TODO allow to enter a custom property by pressing Enter in the lineedit
+        # TODO allow one to enter a custom property by pressing Enter in the lineedit
         # currently closes the dialog
 
         standardButtons.rejected.connect(self.reject)

src/Mod/Mesh/App/AppMesh.cpp

@@ -74,7 +74,7 @@ PyMOD_INIT_FUNC(Mesh)
 
     Mesh::Extension3MFFactory::addProducer(new Mesh::GuiExtension3MFProducer);
 
-    // This registration is sufficient to allow to measure free distances with a mesh
+    // This registration is sufficient to allow one to measure free distances with a mesh
     App::MeasureManager::addMeasureHandler("Mesh", [](App::DocumentObject*, const char*) {
         return App::MeasureElementType::INVALID;
     });

src/Mod/Mesh/App/Core/Builder.cpp

@@ -128,7 +128,7 @@ void MeshBuilder::AddFacet(const Base::Vector3f& pt1,
 
 void MeshBuilder::AddFacet(Base::Vector3f* facetPoints, unsigned char flag, unsigned long prop)
 {
-    this->_seq->next(true);  // allow to cancel
+    this->_seq->next(true);  // allow one to cancel
 
     // adjust circulation direction
     if ((((facetPoints[1] - facetPoints[0]) % (facetPoints[2] - facetPoints[0])) * facetPoints[3])
@@ -171,7 +171,7 @@ void MeshBuilder::SetNeighbourhood()
     FacetIndex facetIdx = 0;
 
     for (auto& mf : _meshKernel._aclFacetArray) {
-        this->_seq->next(true);  // allow to cancel
+        this->_seq->next(true);  // allow one to cancel
         for (int i = 0; i < 3; i++) {
             Edge edge(mf._aulPoints[i], mf._aulPoints[(i + 1) % 3], facetIdx);
             std::set<Edge>::iterator e = edges.find(edge);

src/Mod/Mesh/App/Core/Elements.h

@@ -796,7 +796,7 @@ public:
 };
 
 /**
- * MeshPointModifier is a helper class that allows to modify the
+ * MeshPointModifier is a helper class that allows one to modify the
  * point array of a mesh kernel but with limited access.
  */
 class MeshExport MeshPointModifier
@@ -823,7 +823,7 @@ private:
 };
 
 /**
- * MeshFacetModifier is a helper class that allows to modify the
+ * MeshFacetModifier is a helper class that allows one to modify the
  * facet array of a mesh kernel but with limited access.
  */
 class MeshExport MeshFacetModifier

src/Mod/Mesh/App/Core/Grid.h

@@ -45,7 +45,7 @@ class MeshGrid;
 static constexpr float MESHGRID_BBOX_EXTENSION = 10.0F;
 
 /**
- * The MeshGrid allows to divide a global mesh object into smaller regions
+ * The MeshGrid allows one to divide a global mesh object into smaller regions
  * of elements (e.g. facets, points or edges) depending on the resolution
  * of the grid. All grid elements in the grid structure have the same size.
  *

src/Mod/Mesh/App/Core/IO/WriterOBJ.cpp

@@ -149,7 +149,7 @@ bool WriterOBJ::Save(std::ostream& out)
         else {
             out << "v " << pt.x << " " << pt.y << " " << pt.z << '\n';
         }
-        seq.next(true);  // allow to cancel
+        seq.next(true);  // allow one to cancel
     }
     // Export normals
     MeshFacetIterator clIter(_kernel), clEnd(_kernel);
@@ -163,7 +163,7 @@ bool WriterOBJ::Save(std::ostream& out)
         out << "vn " << pclFacet->GetNormal().x << " " << pclFacet->GetNormal().y << " "
             << pclFacet->GetNormal().z << '\n';
         ++clIter;
-        seq.next(true);  // allow to cancel
+        seq.next(true);  // allow one to cancel
     }
 
     if (_groups.empty()) {
@@ -190,7 +190,7 @@ bool WriterOBJ::Save(std::ostream& out)
                 out << "f " << it->_aulPoints[0] + 1 << "//" << faceIdx << " "
                     << it->_aulPoints[1] + 1 << "//" << faceIdx << " " << it->_aulPoints[2] + 1
                     << "//" << faceIdx << '\n';
-                seq.next(true);  // allow to cancel
+                seq.next(true);  // allow one to cancel
                 faceIdx++;
             }
         }
@@ -201,7 +201,7 @@ bool WriterOBJ::Save(std::ostream& out)
                 out << "f " << it._aulPoints[0] + 1 << "//" << faceIdx << " "
                     << it._aulPoints[1] + 1 << "//" << faceIdx << " " << it._aulPoints[2] + 1
                     << "//" << faceIdx << '\n';
-                seq.next(true);  // allow to cancel
+                seq.next(true);  // allow one to cancel
                 faceIdx++;
             }
         }
@@ -233,7 +233,7 @@ bool WriterOBJ::Save(std::ostream& out)
                     out << "f " << f._aulPoints[0] + 1 << "//" << it + 1 << " "
                         << f._aulPoints[1] + 1 << "//" << it + 1 << " " << f._aulPoints[2] + 1
                         << "//" << it + 1 << '\n';
-                    seq.next(true);  // allow to cancel
+                    seq.next(true);  // allow one to cancel
                 }
             }
         }
@@ -245,7 +245,7 @@ bool WriterOBJ::Save(std::ostream& out)
                     out << "f " << f._aulPoints[0] + 1 << "//" << it + 1 << " "
                         << f._aulPoints[1] + 1 << "//" << it + 1 << " " << f._aulPoints[2] + 1
                         << "//" << it + 1 << '\n';
-                    seq.next(true);  // allow to cancel
+                    seq.next(true);  // allow one to cancel
                 }
             }
         }

src/Mod/Mesh/App/Core/Iterator.h

@@ -41,7 +41,7 @@ class MeshIndexEdge;
 class MeshHelpEdge;
 
 /**
- * The MeshFacetIterator allows to iterate over the facets that
+ * The MeshFacetIterator allows one to iterate over the facets that
  * hold the topology of the mesh and provides access to their
  * geometric information.
  * \note This class is not thread-safe.
@@ -222,7 +222,7 @@ private:
 };
 
 /**
- * The MeshPointIterator allows to iterate over the vertices of the mesh and provides access to
+ * The MeshPointIterator allows one to iterate over the vertices of the mesh and provides access to
  * their geometric information. \note This class is not thread-safe.
  */
 class MeshExport MeshPointIterator

src/Mod/Mesh/App/Core/MeshIO.cpp

@@ -1668,7 +1668,7 @@ bool MeshOutput::SaveBinarySTL(std::ostream& output) const
         output.write((const char*)&usAtt, sizeof(usAtt));
 
         ++clIter;
-        seq.next(true);  // allow to cancel
+        seq.next(true);  // allow one to cancel
     }
 
     return true;
@@ -1739,14 +1739,14 @@ bool MeshOutput::SaveSMF(std::ostream& out) const
         }
 
         out << "v " << pt.x << " " << pt.y << " " << pt.z << '\n';
-        seq.next(true);  // allow to cancel
+        seq.next(true);  // allow one to cancel
     }
 
     // facet indices
     for (const auto& it : rFacets) {
         out << "f " << it._aulPoints[0] + 1 << " " << it._aulPoints[1] + 1 << " "
             << it._aulPoints[2] + 1 << '\n';
-        seq.next(true);  // allow to cancel
+        seq.next(true);  // allow one to cancel
     }
 
     return true;
@@ -1931,14 +1931,14 @@ bool MeshOutput::SaveOFF(std::ostream& out) const
         else {
             out << pt.x << " " << pt.y << " " << pt.z << '\n';
         }
-        seq.next(true);  // allow to cancel
+        seq.next(true);  // allow one to cancel
     }
 
     // facet indices (no texture and normal indices)
     for (const auto& it : rFacets) {
         out << "3 " << it._aulPoints[0] << " " << it._aulPoints[1] << " " << it._aulPoints[2]
             << '\n';
-        seq.next(true);  // allow to cancel
+        seq.next(true);  // allow one to cancel
     }
 
     return true;

src/Mod/Mesh/App/Core/MeshKernel.h

@@ -413,8 +413,8 @@ public:
     /** Assignment operator. */
     MeshKernel& operator=(const MeshKernel& rclMesh);
     MeshKernel& operator=(MeshKernel&& rclMesh);
-    /** This allows to assign the mesh structure directly. The caller must make sure that the point
-     * indices are correctly set but the neighbourhood gets checked and corrected if \a
+    /** This allows one to assign the mesh structure directly. The caller must make sure that the
+     * point indices are correctly set but the neighbourhood gets checked and corrected if \a
      * checkNeighbourHood is true.
      */
     void Assign(const MeshPointArray& rPoints,

src/Mod/Mesh/App/Core/TopoAlgorithm.cpp

@@ -609,7 +609,7 @@ bool MeshTopoAlgorithm::IsSwapEdgeLegal(FacetIndex ulFacetPos, FacetIndex ulNeig
     Base::Vector3f cP3 = _rclMesh._aclPointArray[rclF._aulPoints[(uFSide + 2) % 3]];
     Base::Vector3f cP4 = _rclMesh._aclPointArray[rclN._aulPoints[(uNSide + 2) % 3]];
 
-    // do not allow to create degenerated triangles
+    // do not allow one to create degenerated triangles
     MeshGeomFacet cT3(cP4, cP3, cP1);
     if (cT3.IsDegenerated(MeshDefinitions::_fMinPointDistanceP2)) {
         return false;

src/Mod/Mesh/App/Exporter.cpp

@@ -470,7 +470,7 @@ bool ExporterAMF::addMesh(const char* name, const MeshObject& mesh)
             }
         }
 
-        seq.next(true);  // allow to cancel
+        seq.next(true);  // allow one to cancel
     }
 
     *outputStreamPtr << "\t\t\t</vertices>\n"
@@ -484,7 +484,7 @@ bool ExporterAMF::addMesh(const char* name, const MeshObject& mesh)
             *outputStreamPtr << "\t\t\t\t\t<v" << i << '>' << *(triItr++) << "</v" << i << ">\n";
         }
         *outputStreamPtr << "\t\t\t\t</triangle>\n";
-        seq.next(true);  // allow to cancel
+        seq.next(true);  // allow one to cancel
     }
 
     *outputStreamPtr << "\t\t\t</volume>\n"

src/Mod/Mesh/App/MeshProperties.cpp

@@ -861,7 +861,7 @@ void PropertyMeshKernel::setPyObject(PyObject* value)
 {
     if (PyObject_TypeCheck(value, &(MeshPy::Type))) {
         MeshPy* mesh = static_cast<MeshPy*>(value);
-        // Do not allow to reassign the same instance
+        // Do not allow one to reassign the same instance
         if (&(*this->_meshObject) != mesh->getMeshObjectPtr()) {
             // Note: Copy the content, do NOT reference the same mesh object
             setValue(*(mesh->getMeshObjectPtr()));

src/Mod/Mesh/Gui/ViewProviderCurvature.h

@@ -54,9 +54,9 @@ class PropertyCurvatureList;
 namespace MeshGui
 {
 
-/** The ViewProviderMeshCurvature class is associated to the mesh curvature feature. It allows to
- * display the most known types of curvatures, such as Gaussian curvature, mean curvature, minimum
- * and maximum curvature. Moreover a color bar is also added to the scene.
+/** The ViewProviderMeshCurvature class is associated to the mesh curvature feature. It allows one
+ * to display the most known types of curvatures, such as Gaussian curvature, mean curvature,
+ * minimum and maximum curvature. Moreover a color bar is also added to the scene.
  *
  * @author Werner Mayer
  */

src/Mod/OpenSCAD/OpenSCADUtils.py

@@ -242,7 +242,7 @@ def callopenscadstring(scadstr,outputext='csg'):
 
 
 def reverseimporttypes():
-    '''allows to search for supported filetypes by module'''
+    '''allows one to search for supported filetypes by module'''
 
     def getsetfromdict(dict1, index):
         if index in dict1:

src/Mod/OpenSCAD/replaceobj.py

@@ -24,7 +24,7 @@ __author__ = "Sebastian Hoogen"
 __url__ = ["https://www.freecad.org"]
 
 '''
-This functions allows to replace an object in the feature hierarchy
+This functions allows one to replace an object in the feature hierarchy
 '''
 
 

src/Mod/Part/App/GeomPlate/CurveConstraintPyImp.cpp

@@ -60,7 +60,7 @@ int CurveConstraintPy::PyInit(PyObject* args, PyObject* kwds)
     // GeomPlate_CurveConstraint has a default constructor but OCCT doesn't check
     // if neither a 2d, 3d or curve on surface is set when accessing the functions
     // Length(), FirstParameter(), LastParameter(), ...
-    // Thus, we don't allow to create an empty GeomPlate_CurveConstraint instance
+    // Thus, we don't allow one to create an empty GeomPlate_CurveConstraint instance
 
     static const std::array<const char *, 7> keywords{"Boundary", "Order", "NbPts", "TolDist", "TolAng", "TolCurv",
                                                       nullptr};

src/Mod/Part/App/GeometryDefaultExtension.h

@@ -59,7 +59,7 @@ namespace Part {
 
     // Description:
     //
-    // This template allows to define a geometry extension for a given type (uniform interface for one value of type T).
+    // This template allows one to define a geometry extension for a given type (uniform interface for one value of type T).
     //
     // Warnings:
     // - The default constructor relies on the default constructor of T for initialisation. Built-in types

src/Mod/Part/Gui/SectionCutting.ui

@@ -368,7 +368,7 @@ have the same values.</string>
       </size>
      </property>
      <property name="toolTip">
-      <string>Allows to cut objects intersecting each other
+      <string>Allows cutting objects intersecting each other
 for the price that all cut objects
 will get the same color</string>
      </property>

src/Mod/Part/Gui/TaskFaceAppearances.cpp

@@ -426,7 +426,7 @@ int FaceAppearances::getFirstIndex() const
 }
 
 /**
- * Opens a dialog that allows to modify the 'ShapeMaterial' property of all selected view providers.
+ * Opens a dialog that allows one to modify the 'ShapeMaterial' property of all selected view providers.
  */
 void FaceAppearances::onButtonCustomAppearanceClicked()
 {

src/Mod/Part/Gui/ViewProviderExt.h

@@ -93,7 +93,7 @@ public:
     std::vector<std::string> getDisplayModes() const override;
     /// Update the view representation
     void reload();
-    /// If no other task is pending it opens a dialog to allow to change face colors
+    /// If no other task is pending it opens a dialog to allow one to change face colors
     bool changeFaceAppearances();
 
     void updateData(const App::Property*) override;

src/Mod/PartDesign/App/FeaturePad.cpp

@@ -63,7 +63,7 @@ Pad::Pad()
     ADD_PROPERTY_TYPE(TaperAngle2, (0.0), "Pad", App::Prop_None, "Taper angle for 2nd direction");
     TaperAngle2.setConstraints(&floatAngle);
 
-    // Remove the constraints and keep the type to allow to accept negative values
+    // Remove the constraints and keep the type to allow one to accept negative values
     // https://forum.freecad.org/viewtopic.php?f=3&t=52075&p=448410#p447636
     Length2.setConstraints(nullptr);
 }

src/Mod/PartDesign/App/FeaturePocket.cpp

@@ -64,7 +64,7 @@ Pocket::Pocket()
     ADD_PROPERTY_TYPE(TaperAngle2, (0.0), "Pocket", App::Prop_None, "Taper angle for 2nd direction");
     TaperAngle2.setConstraints(&floatAngle);
 
-    // Remove the constraints and keep the type to allow to accept negative values
+    // Remove the constraints and keep the type to allow one to accept negative values
     // https://forum.freecad.org/viewtopic.php?f=3&t=52075&p=448410#p447636
     Length2.setConstraints(nullptr);
 }

src/Mod/PartDesign/Gui/TaskExtrudeParameters.cpp

@@ -925,7 +925,7 @@ void TaskExtrudeParameters::setDirectionMode(int index)
         extrude->UseCustomVector.setValue(false);
     }
 
-    // if we don't use custom direction, only allow to show its direction
+    // if we don't use custom direction, only allow one to show its direction
     if (index != DirectionModes::Custom) {
         ui->XDirectionEdit->setEnabled(false);
         ui->YDirectionEdit->setEnabled(false);

src/Mod/PartDesign/Gui/TaskShapeBinder.cpp

@@ -92,7 +92,7 @@ void TaskShapeBinder::updateUI()
         ui->baseEdit->setText(QString::fromStdString(obj->Label.getStrValue()));
     }
 
-    // Allow to clear the Support
+    // Allow one to clear the Support
     ui->baseEdit->setClearButtonEnabled(true);
     connect(ui->baseEdit, &QLineEdit::textChanged,
             this, &TaskShapeBinder::supportChanged);

src/Mod/PartDesign/Gui/TaskSketchBasedParameters.h

@@ -56,7 +56,7 @@ protected:
     virtual void finishReferenceSelection(App::DocumentObject* profile, App::DocumentObject* base);
     /*!
      * \brief onSelectReference
-     * Start reference selection mode to allow to select objects of the type defined
+     * Start reference selection mode to allow one to select objects of the type defined
      * with \a AllowSelectionFlags.
      * If AllowSelection::NONE is passed the selection mode is finished.
      */

src/Mod/Points/App/PointsGrid.h

@@ -41,8 +41,9 @@ namespace Points
 class PointsGrid;
 
 /**
- * The PointsGrid allows to divide a global point cloud into smaller regions of elements depending
- * on the resolution of the grid. All grid elements in the grid structure have the same size.
+ * The PointsGrid allows one to divide a global point cloud into smaller regions of elements
+ * depending on the resolution of the grid. All grid elements in the grid structure have the same
+ * size.
  *
  * Grids can be used within algorithms to avoid to iterate through all elements, so grids can speed
  * up algorithms dramatically.

src/Mod/Sketcher/App/GeometryFacade.h

@@ -372,7 +372,7 @@ private:
 // GeometryTypedFacade
 
 /** @brief  It provides all the functionality of GeometryFacade (derives from it), but in addition
- * allows to indicate the type of a Part::Geometry derived class.
+ * allows one to indicate the type of a Part::Geometry derived class.
  *
  * @details
  *

src/Mod/Sketcher/App/Sketch.h

@@ -798,7 +798,7 @@ private:
      * The implementation is on the order of the groups provided by the QR decomposition used to
      * reveal the parameters (see System::identifyDependentParameters in GCS). Zeros are made over
      * the pilot of the full R matrix of the QR decomposition, which is a top triangular
-     * matrix.This, together with the permutation matrix, allow to know groups of dependent
+     * matrix.This, together with the permutation matrix, allow one to know groups of dependent
      * parameters (cols between rank and full size). Each group refers to a new parameter not
      * affected by the rank in combination with other free parameters intervening in the rank
      * (because of the triangular shape of the R matrix). This results in that each the first column

src/Mod/Sketcher/App/SketchObject.h

@@ -155,7 +155,7 @@ public:
     int delGeometry(int GeoId, bool deleteinternalgeo = true);
     /// Deletes just the GeoIds indicated, it does not look for internal geometry
     int delGeometriesExclusiveList(const std::vector<int>& GeoIds);
-    /// Does the same as \a delGeometry but allows to delete several geometries in one step
+    /// Does the same as \a delGeometry but allows one to delete several geometries in one step
     int delGeometries(const std::vector<int>& GeoIds);
     /// deletes all the elements/constraints of the sketch except for external geometry
     int deleteAllGeometry();
@@ -175,8 +175,8 @@ public:
      * that it will solve the sketch.
      *
      * If updating the Geometry property as a consequence of a (successful) solve() is not wanted,
-     * updategeometry=false, prevents the update. This allows to update the solve status (e.g. dof),
-     * without updating the geometry (i.e. make it move to fulfil the constraints).
+     * updategeometry=false, prevents the update. This allows one to update the solve status (e.g.
+     * dof), without updating the geometry (i.e. make it move to fulfil the constraints).
      */
     int delConstraints(std::vector<int> ConstrIds, bool updategeometry = true);
     int delConstraintOnPoint(int GeoId, PointPos PosId, bool onlyCoincident = true);

src/Mod/Sketcher/App/planegcs/GCS.cpp

@@ -5405,7 +5405,7 @@ void System::identifyDependentParametersSparseQR(const Eigen::MatrixXd& J,
                               nontransprank,
                               Rparams,
                               false,
-                              true);  // do not transpose allow to diagnose parameters
+                              true);  // do not transpose allow one to diagnose parameters
 
     identifyDependentParameters(SqrJ, Rparams, nontransprank, pdiagnoselist, silent);
 }

src/Mod/Sketcher/Gui/DrawSketchController.h

@@ -39,7 +39,7 @@ namespace SketcherGui
     the possible construction modes supported by the tool.
 
     @details Different construction modes of a DSH may use different types of controls. This class
-    allows to instantiate a handler template class to provide such construction mode specific
+    allows one to instantiate a handler template class to provide such construction mode specific
     controls.
 
     Each different type of control is a template class deriving from this.

src/Mod/Sketcher/Gui/DrawSketchDefaultHandler.h

@@ -152,7 +152,7 @@ protected:
     /** Ensure the state machine is the provided mode
      * but only if the mode is an earlier state.
      *
-     * This allows to return to previous states (e.g.
+     * This allows one to return to previous states (e.g.
      * for modification), only if that state has previously
      * been completed.
      */
@@ -337,7 +337,7 @@ private:
  * - handling of continuous creation mode
  *
  * This class is intended to be used by instantiating the template with a new DSH type, and
- * then derive the new type from the instantiated template. This allows to inherit all
+ * then derive the new type from the instantiated template. This allows one to inherit all
  * the functionality, have direct access to all handler members, while allowing the DSH creator to
  * add additional data members and functions (and avoiding extensive usage of macros).
  *
@@ -1001,8 +1001,8 @@ protected:
     /** @brief Function that performs a sketcher solver diagnose (determination of DoF and dependent
      * parameters), taking into account the suggested AutoConstraints.
      *
-     * @details This function allows to refresh solver information by taking into account any added
-     * constraint, such as the ones introduced by a widget or on-screen parameters during the
+     * @details This function allows one to refresh solver information by taking into account any
+     * added constraint, such as the ones introduced by a widget or on-screen parameters during the
      * execution of the DSH.
      *
      * Ultimately, it is intended to operate in combination with functions obtaining point/element

src/Mod/Sketcher/Gui/DrawSketchHandler.h

@@ -206,7 +206,7 @@ public:
     std::unique_ptr<QWidget> createToolWidget() const;
 
     /** @brief Returns whether this tool expects/supports a visible tool widget. Emphasis is in
-     * visibility, so to allow to adapt the interface accordingly.
+     * visibility, so to allow one to adapt the interface accordingly.
      * This is an NVI interface and specific handlers must overload the corresponding virtual
      * function.
      */

src/Mod/Sketcher/Gui/SketcherSettings.ui

@@ -124,7 +124,7 @@ Requires to re-enter edit mode to take effect.</string>
       <item>
        <widget class="Gui::PrefCheckBox" name="checkBoxEnableEscape">
         <property name="toolTip">
-         <string>Allow to leave sketch edit mode when pressing Esc button</string>
+         <string>Allow leaving sketch edit mode when pressing Esc button</string>
         </property>
         <property name="text">
          <string>Esc can leave sketch edit mode</string>