various updates

- changed mac keyboard shortcuts to CMD+SHIFT+[KEY] (#214)
- fixed typo in lesson-6/vocab-6; まっすぐいき --> まっすぐいく and updated its anki card. (#216)
- added shortcut for checking answers: CTRL+ALT+C. (#220)

README.md

@@ -28,7 +28,7 @@ If you're using the offline version you'll have to unzip the files. Once you've
 
 
 ### Keyboard Shortcuts
-Genki Study Resources supports a few keyboard shortcuts which you can use to make things easier.
+Genki Study Resources supports a few keyboard shortcuts which you can use to make things easier. These shortcuts are typically used via <kbd>CTRL</kbd>+<kbd>ALT</kbd>+<kbd>KEY</kbd> for Windows and <kbd>CMD</kbd>+<kbd>SHIFT</kbd>+<kbd>KEY</kbd> for Mac.
 
 #### Global
 Shortcuts that can be used anywhere.
@@ -49,6 +49,7 @@ Shortcuts that can only be used in exercises.
 | <kbd>CTRL</kbd>+<kbd>ALT</kbd>+<kbd>E</kbd> | Open/Close the Exercise List |
 | <kbd>CTRL</kbd>+<kbd>ALT</kbd>+<kbd>Q</kbd> | Open/Close the Quick Dictionary |
 | <kbd>CTRL</kbd>+<kbd>ALT</kbd>+<kbd>F</kbd> | Toggle Furigana on/off |
+| <kbd>CTRL</kbd>+<kbd>ALT</kbd>+<kbd>C</kbd> | Check answers (for written exercises) |
 
 
 ### Suggestions, Feedback, Bug Reports

lessons-3rd/lesson-6/vocab-6/index.html

@@ -67,7 +67,7 @@ <h1><a href="../../" id="home-link" class="edition-icon third-ed">Genki Study Re
 
       quizlet : {
         '道を聞く|みちをきく' : 'to ask for directions; to ask the way',
-        'まっすぐ行く|まっすぐいき' : 'go straight',
+        'まっすぐ行く|まっすぐいく' : 'go straight',
         '左に曲がる|ひだりにまがる' : 'turn left',
         '右に曲がる|みぎにまがる' : 'turn right',
         '道を渡る|みちをわたる' : 'cross the street',

resources/javascript/all.js

@@ -133,7 +133,7 @@
   // # KEYBOARD SHORTCUTS #
   // various keyboard shortcuts used around the website
   document.addEventListener('keydown', function (e) {
-    if (e.ctrlKey && e.altKey || e.metaKey && e.altKey) {
+    if (e.ctrlKey && e.altKey || e.metaKey && e.shiftKey) {
       var button;
 
       // check what key was pressed
@@ -180,6 +180,11 @@
           button = document.getElementById('genki-site-settings');
           break;
 
+        // check answers (ctrl+alt+c)
+        case 'c':
+          button = document.getElementById('check-answers-button');
+          break;
+
         default:
           break;
       }