Tweaked Javadoc HTML code to convert all non-XML-predefined character entities to numeric form, for better compatibility with XHTML.

java/io/nayuki/qrcodegen/BitBuffer.java

@@ -68,7 +68,7 @@ public final class BitBuffer implements Cloneable {
 	 * Returns the bit at the specified index, yielding 0 or 1.
 	 * @param index the index to get the bit at
 	 * @return the bit at the specified index
-	 * @throws IndexOutOfBoundsException if index < 0 or index ≥ bitLength
+	 * @throws IndexOutOfBoundsException if index < 0 or index ≥ bitLength
 	 */
 	public int getBit(int index) {
 		if (index < 0 || index >= bitLength)
@@ -94,7 +94,7 @@ public final class BitBuffer implements Cloneable {
 	
 	/**
 	 * Appends the specified number of low bits of the specified value to this
-	 * sequence. Requires 0 &le; len &le; 31 and 0 &le; val &lt; 2<sup>len</sup>.
+	 * sequence. Requires 0 &#x2264; len &#x2264; 31 and 0 &#x2264; val &lt; 2<sup>len</sup>.
 	 * @param val the value to append
 	 * @param len the number of low bits in the value to take
 	 * @throws IllegalArgumentException if the value or number of bits is out of range

java/io/nayuki/qrcodegen/QrCode.java

@@ -115,8 +115,8 @@ public final class QrCode {
 	 * @param boostEcl increases the error correction level if it can be done without increasing the version number
 	 * @return a QR Code representing the segments
 	 * @throws NullPointerException if the list of segments, any segment, or the error correction level is {@code null}
-	 * @throws IllegalArgumentException if 1 ≤ minVersion ≤ maxVersion ≤ 40
-	 * is violated, or if mask < −1 or mask > 7, or if the segments fail
+	 * @throws IllegalArgumentException if 1 ≤ minVersion ≤ maxVersion ≤ 40
+	 * is violated, or if mask < −1 or mask > 7, or if the segments fail
 	 * to fit in the maxVersion QR Code at the ECL, which means they are too long
 	 */
 	public static QrCode encodeSegments(List<QrSegment> segs, Ecc ecl, int minVersion, int maxVersion, int mask, boolean boostEcl) {
@@ -177,7 +177,7 @@ public final class QrCode {
 	public final int version;
 	
 	/** The width and height of this QR Code symbol, measured in modules.
-	 * Always equal to version &times; 4 + 17, in the range 21 to 177 (inclusive). */
+	 * Always equal to version &#xD7; 4 + 17, in the range 21 to 177 (inclusive). */
 	public final int size;
 	
 	/** The error correction level used in this QR Code symbol. Never {@code null}. */
@@ -207,7 +207,7 @@ public final class QrCode {
 	 * @param ver the version number to use, which must be in the range 1 to 40 (inclusive)
 	 * @param ecl the error correction level to use
 	 * @param dataCodewords the bytes representing segments to encode (without ECC)
-	 * @param mask the mask pattern to use, which is either &minus;1 for automatic choice or from 0 to 7 for fixed choice
+	 * @param mask the mask pattern to use, which is either &#x2212;1 for automatic choice or from 0 to 7 for fixed choice
 	 * @throws NullPointerException if the byte array or error correction level is {@code null}
 	 * @throws IllegalArgumentException if the version or mask value is out of range,
 	 * or if the data is the wrong length for the specified version and error correction level
@@ -241,8 +241,8 @@ public final class QrCode {
 	 * Returns the color of the module (pixel) at the specified coordinates, which is either
 	 * false for white or true for black. The top left corner has the coordinates (x=0, y=0).
 	 * If the specified coordinates are out of bounds, then false (white) is returned.
-	 * @param x the x coordinate, where 0 is the left edge and size&minus;1 is the right edge
-	 * @param y the y coordinate, where 0 is the top edge and size&minus;1 is the bottom edge
+	 * @param x the x coordinate, where 0 is the left edge and size&#x2212;1 is the right edge
+	 * @param y the y coordinate, where 0 is the top edge and size&#x2212;1 is the bottom edge
 	 * @return the module's color, which is either false (white) or true (black)
 	 */
 	public boolean getModule(int x, int y) {

java/io/nayuki/qrcodegen/QrSegmentAdvanced.java

@@ -50,7 +50,7 @@ public final class QrSegmentAdvanced {
 	 * @param maxVersion the maximum allowed version of the QR symbol (at most 40)
 	 * @return a new mutable list of segments containing the text, minimizing the bit length with respect to the constraints
 	 * @throws NullPointerException if the data or error correction level is {@code null}
-	 * @throws IllegalArgumentException if 1 ≤ minVersion ≤ maxVersion ≤ 40 is violated,
+	 * @throws IllegalArgumentException if 1 ≤ minVersion ≤ maxVersion ≤ 40 is violated,
 	 * or if the data is too long to fit in a QR Code at maxVersion at the ECL
 	 */
 	public static List<QrSegment> makeSegmentsOptimally(String text, QrCode.Ecc ecl, int minVersion, int maxVersion) {