Fix spelling mistakes.

src/encoding.js

@@ -171,7 +171,7 @@ CmapEncoding.prototype.charToGlyphIndex = function(c) {
  * @class
  * @constructor
  * @param {string} encoding - The encoding
- * @param {Array} charset - The charcater set.
+ * @param {Array} charset - The character set.
  */
 function CffEncoding(encoding, charset) {
     this.encoding = encoding;

src/font.js

@@ -316,7 +316,7 @@ Font.prototype.getPath = function(text, x, y, fontSize, options) {
 };
 
 /**
- * Create an array of Path objects that represent the glyps of a given text.
+ * Create an array of Path objects that represent the glyphs of a given text.
  * @param  {string} text - The text to create.
  * @param  {number} [x=0] - Horizontal position of the beginning of the text.
  * @param  {number} [y=0] - Vertical position of the *baseline* of the text.
@@ -338,7 +338,7 @@ Font.prototype.getPaths = function(text, x, y, fontSize, options) {
  * Returns the advance width of a text.
  *
  * This is something different than Path.getBoundingBox() as for example a
- * suffixed whitespace increases the advancewidth but not the bounding box
+ * suffixed whitespace increases the advanceWidth but not the bounding box
  * or an overhanging letter like a calligraphic 'f' might have a quite larger
  * bounding box than its advance width.
  *

src/glyph.js

@@ -59,7 +59,7 @@ function Glyph(options) {
 Glyph.prototype.bindConstructorValues = function(options) {
     this.index = options.index || 0;
 
-    // These three values cannnot be deferred for memory optimization:
+    // These three values cannot be deferred for memory optimization:
     this.name = options.name || null;
     this.unicode = options.unicode || undefined;
     this.unicodes = options.unicodes || options.unicode !== undefined ? [options.unicode] : [];
@@ -116,7 +116,7 @@ Glyph.prototype.getBoundingBox = function() {
  * @param  {number} [x=0] - Horizontal position of the beginning of the text.
  * @param  {number} [y=0] - Vertical position of the *baseline* of the text.
  * @param  {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
- * @param  {Object=} options - xScale, yScale to strech the glyph.
+ * @param  {Object=} options - xScale, yScale to stretch the glyph.
  * @param  {opentype.Font} if hinting is to be used, the font
  * @return {opentype.Path}
  */
@@ -259,7 +259,7 @@ Glyph.prototype.getMetrics = function() {
  * @param  {number} [x=0] - Horizontal position of the beginning of the text.
  * @param  {number} [y=0] - Vertical position of the *baseline* of the text.
  * @param  {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
- * @param  {Object=} options - xScale, yScale to strech the glyph.
+ * @param  {Object=} options - xScale, yScale to stretch the glyph.
  */
 Glyph.prototype.draw = function(ctx, x, y, fontSize, options) {
     this.getPath(x, y, fontSize, options).draw(ctx);

src/hintingtt.js

@@ -10,10 +10,10 @@
 * However, Javascript has floating point operations by default and only
 * those are available. One could make a case to simulate the 1/64 accuracy
 * exactly by truncating after every division operation
-* (for example with << 0) to get pixel exacty results as other TrueType
+* (for example with << 0) to get pixel exactly results as other TrueType
 * implementations. It may make sense since some fonts are pixel optimized
 * by hand using DELTAP instructions. The current implementation doesn't
-* and rather uses full floating point precission.
+* and rather uses full floating point precision.
 *
 * xScale, yScale and rotation is currently ignored.
 *
@@ -502,7 +502,7 @@ var HPZero = Object.freeze(new HPoint(0, 0));
 * The default state of the interpreter.
 *
 * Note: Freezing the defaultState and then deriving from it
-* makes the V8 Javascript engine going akward,
+* makes the V8 Javascript engine going awkward,
 * so this is avoided, albeit the defaultState shouldn't
 * ever change.
 */
@@ -727,7 +727,7 @@ function execGlyph(glyph, prepState) {
 }
 
 /*
-* Executes the hinting program for a componenet of a multi-component glyph
+* Executes the hinting program for a component of a multi-component glyph
 * or of the glyph itself by a non-component glyph.
 */
 function execComponent(glyph, state, xScale, yScale)
@@ -883,7 +883,7 @@ function initTZone(state)
 
 /*
 * Skips the instruction pointer ahead over an IF/ELSE block.
-* handleElse .. if true breaks on mathing ELSE
+* handleElse .. if true breaks on matching ELSE
 */
 function skip(state, handleElse)
 {
@@ -1237,7 +1237,7 @@ function SMD(state) {
 // 0x1B
 function ELSE(state) {
     // This instruction has been reached by executing a then branch
-    // so it just skips ahead until mathing EIF.
+    // so it just skips ahead until matching EIF.
     //
     // In case the IF was negative the IF[] instruction already
     // skipped forward over the ELSE[]
@@ -1380,7 +1380,7 @@ function CINDEX(state) {
 
     if (exports.DEBUG) console.log(state.step, 'CINDEX[]', k);
 
-    // In case of k == 1, it copies the last element after poping
+    // In case of k == 1, it copies the last element after popping
     // thus stack.length - k.
     stack.push(stack[stack.length - k]);
 }
@@ -2668,7 +2668,7 @@ instructionTable = [
     /* 0x7C */ RUTG,
     /* 0x7D */ RDTG,
     /* 0x7E */ POP, // actually SANGW, supposed to do only a pop though
-    /* 0x7F */ POP, // actually AA, upposed to do only a pop though
+    /* 0x7F */ POP, // actually AA, supposed to do only a pop though
     /* 0x80 */ undefined,   // TODO FLIPPT
     /* 0x81 */ undefined,   // TODO FLIPRGON
     /* 0x82 */ undefined,   // TODO FLIPRGOFF
@@ -2802,7 +2802,7 @@ instructionTable = [
 export default Hinting;
 
 /*****************************
-  Mathematical Considertions
+  Mathematical Considerations
 ******************************
 
 fv ... refers to freedom vector
@@ -2960,7 +2960,7 @@ option (that is avoiding 0/0 divisions) is to weight the
 original distance of the other point by the sum of both distances.
 
 If the sum of both distances is 0, then move the point by the
-arithmetic average of the movement of both refererence points.
+arithmetic average of the movement of both reference points.
 
 
 

src/layout.js

@@ -1,4 +1,4 @@
-// The Layout object is the prototype of Substition objects, and provides
+// The Layout object is the prototype of Substitution objects, and provides
 // utility methods to manipulate common layout tables (GPOS, GSUB, GDEF...)
 
 import check from './check';
@@ -226,7 +226,7 @@ Layout.prototype = {
             var lookupTable;
             var lookupListIndexes = featureTable.lookupListIndexes;
             var allLookups = this.font.tables[this.tableName].lookups;
-            // lookupListIndexes are in no particular order, so use naïve search.
+            // lookupListIndexes are in no particular order, so use naive search.
             for (var i = 0; i < lookupListIndexes.length; i++) {
                 lookupTable = allLookups[lookupListIndexes[i]];
                 if (lookupTable.lookupType === lookupType) {

src/parse.js

@@ -165,7 +165,7 @@ Parser.prototype.parseTag = function() {
 Parser.prototype.parseLongDateTime = function() {
     var v = getULong(this.data, this.offset + this.relativeOffset + 4);
     // Subtract seconds between 01/01/1904 and 01/01/1970
-    // to convert Apple Mac timstamp to Standard Unix timestamp
+    // to convert Apple Mac timestamp to Standard Unix timestamp
     v -= 2082844800;
     this.relativeOffset += 8;
     return v;
@@ -296,7 +296,7 @@ Parser.prototype.parseStruct = function(description) {
 
 Parser.prototype.parsePointer = function(description) {
     var structOffset = this.parseOffset16();
-    if (structOffset > 0) {                         // NULL offset => return indefined
+    if (structOffset > 0) {                         // NULL offset => return undefined
         return new Parser(this.data, this.offset + structOffset).parseStruct(description);
     }
     return undefined;

src/path.js

@@ -185,7 +185,7 @@ Path.prototype.getBoundingBox = function() {
                 prevY = startY;
                 break;
             default:
-                throw new Error('Unexpected path commmand ' + cmd.type);
+                throw new Error('Unexpected path command ' + cmd.type);
         }
     }
     if (box.isEmpty()) {

src/types.js

@@ -401,7 +401,7 @@ sizeOf.UTF16 = function(v) {
 // Data for converting old eight-bit Macintosh encodings to Unicode.
 // This representation is optimized for decoding; encoding is slower
 // and needs more memory. The assumption is that all opentype.js users
-// want to open fonts, but saving a font will be comperatively rare
+// want to open fonts, but saving a font will be comparatively rare
 // so it can be more expensive. Keyed by IANA character set name.
 //
 // Python script for generating these strings:
@@ -707,7 +707,7 @@ encode.INDEX = function(l) {
     //    i, v;
     // Because we have to know which data type to use to encode the offsets,
     // we have to go through the values twice: once to encode the data and
-    // calculate the offets, then again to encode the offsets using the fitting data type.
+    // calculate the offsets, then again to encode the offsets using the fitting data type.
     var offset = 1; // First offset is always 1.
     var offsets = [offset];
     var data = [];

test/types.js

@@ -592,7 +592,7 @@ describe('types.js', function() {
         // words, bytes, words:
         // a single byte-encodable word is more compact when encoded within the words run
         assert.equal(e([0x6666, 2, 0x7777]), '42 66 66 00 02 77 77');
-        // multiple byte-encodable words are more compated when forming their own run
+        // multiple byte-encodable words are more compacted when forming their own run
         assert.equal(e([0x6666, 2, 2, 0x7777]), '40 66 66 01 02 02 40 77 77');
     });
 });