Replace garbled Unicode characters

RND-486

(cherry picked from commit f535213)

Author: amedee

forms/src/main/java/com/itextpdf/forms/fields/PdfChoiceFormField.java

@@ -76,7 +76,7 @@ protected PdfChoiceFormField(PdfDictionary pdfObject) {
 
     /**
      * Returns <code>Ch</code>, the form type for choice form fields.
-     * 
+     *
      * @return the form type, as a {@link PdfName}
      */
     @Override
@@ -86,7 +86,7 @@ public PdfName getFormType() {
 
     /**
      * Sets the index of the first visible option in a scrollable list.
-     * 
+     *
      * @param index the index of the first option
      * @return current {@link PdfChoiceFormField}
      */
@@ -106,7 +106,7 @@ public PdfNumber getTopIndex() {
 
     /**
      * Sets the selected items in the field.
-     * 
+     *
      * @param indices a sorted array of indices representing selected items in the field
      * @return current {@link PdfChoiceFormField}
      */
@@ -185,7 +185,7 @@ public PdfChoiceFormField setListSelected(int[] optionNumbers) {
 
     /**
      * Gets the currently selected items in the field
-     * 
+     *
      * @return a sorted array of indices representing the currently selected items in the field
      */
     public PdfArray getIndices() {
@@ -203,7 +203,7 @@ public PdfChoiceFormField setCombo(boolean combo) {
 
     /**
      * If true, the field is a combo box; if false, the field is a list box.
-     * 
+     *
      * @return whether or not the field is now a combo box.
      */
     public boolean isCombo() {
@@ -232,7 +232,7 @@ public boolean isEdit() {
     }
 
     /**
-     * If true, the field???s option items shall be sorted alphabetically.
+     * If true, the field's option items shall be sorted alphabetically.
      * This flag is intended for use by writers, not by readers.
      * @param sort whether or not to sort the items
      * @return current {@link PdfChoiceFormField}
@@ -242,7 +242,7 @@ public PdfChoiceFormField setSort(boolean sort) {
     }
 
     /**
-     * If true, the field???s option items shall be sorted alphabetically.
+     * If true, the field's option items shall be sorted alphabetically.
      * This flag is intended for use by writers, not by readers.
      * @return whether or not the items are currently sorted
      */
@@ -251,7 +251,7 @@ public boolean isSort() {
     }
 
     /**
-     * If true, more than one of the field???s option items may be selected
+     * If true, more than one of the field's option items may be selected
      * simultaneously; if false, at most one item shall be selected.
      * @param multiSelect whether or not to allow multiple selection
      * @return current {@link PdfChoiceFormField}
@@ -261,7 +261,7 @@ public PdfChoiceFormField setMultiSelect(boolean multiSelect) {
     }
 
     /**
-     * If true, more than one of the field???s option items may be selected simultaneously; if false, at most one item shall be selected.
+     * If true, more than one of the field's option items may be selected simultaneously; if false, at most one item shall be selected.
      * @return whether or not multiple selection is currently allowed
      */
     public boolean isMultiSelect() {

kernel/src/main/java/com/itextpdf/kernel/pdf/canvas/PdfCanvas.java

@@ -930,7 +930,7 @@ public PdfCanvas curveTo(double x1, double y1, double x2, double y2, double x3,
     }
 
     /**
-     * Appends a B??zier curve to the path, starting from the current point.
+     * Appends a Bezier curve to the path, starting from the current point.
      *
      * @param x2 x coordinate of the second control point.
      * @param y2 y coordinate of the second control point.
@@ -952,7 +952,7 @@ public PdfCanvas curveTo(double x2, double y2, double x3, double y3) {
     }
 
     /**
-     * Appends a B??zier curve to the path, starting from the current point.
+     * Appends a Bezier curve to the path, starting from the current point.
      *
      * @param x1 x coordinate of the first control point.
      * @param y1 y coordinate of the first control point.

layout/src/main/java/com/itextpdf/layout/ElementPropertyContainer.java

@@ -69,7 +69,7 @@ This file is part of the iText (R) project.
 /**
  * A generic abstract element that fits in a PDF layout object hierarchy.
  * A superclass of all {@link com.itextpdf.layout.element.IElement layout object} implementations.
- * 
+ *
  * @param <T> this type
  */
 public abstract class ElementPropertyContainer<T extends IPropertyContainer> implements IPropertyContainer {
@@ -391,7 +391,7 @@ public T setTextAlignment(TextAlignment alignment) {
 
     /**
      * Defines a custom spacing distance between all characters of a textual element.
-     * The character-spacing parameter is added to the glyph???s horizontal or vertical displacement (depending on the writing mode).
+     * The character-spacing parameter is added to the glyph's horizontal or vertical displacement (depending on the writing mode).
      *
      * @param charSpacing a floating point value
      * @return this Element.
@@ -435,7 +435,7 @@ public T setFontKerning(FontKerning fontKerning) {
     public T setBackgroundColor(Color backgroundColor) {
         return setBackgroundColor(backgroundColor, 1f);
     }
-    
+
     /**
      * Specifies a background color for the Element.
      *