PrefUI // +togglingAlphanumericalModeWithLShift.

Source/Resources/Base.lproj/Localizable.strings

@@ -91,6 +91,7 @@
 "Allow backspace-editing miscomposed readings" = "Allow backspace-editing miscomposed readings";
 "Allow boosting / excluding a candidate of single kanji" = "Allow boosting / excluding a candidate of single kanji";
 "Allow using Enter key to confirm associated candidate selection" = "Allow using Enter key to confirm associated candidate selection";
+"Also toggle alphanumerical mode with Left-Shift" = "Also toggle alphanumerical mode with Left-Shift";
 "Always use fixed listing order in candidate window" = "Always use fixed listing order in candidate window";
 "An accomodation for elder computer users." = "An accomodation for elder computer users.";
 "Apple ABC (equivalent to English US)" = "Apple ABC (equivalent to English US)";

Source/Resources/en.lproj/Localizable.strings

@@ -91,6 +91,7 @@
 "Allow backspace-editing miscomposed readings" = "Allow backspace-editing miscomposed readings";
 "Allow boosting / excluding a candidate of single kanji" = "Allow boosting / excluding a candidate of single kanji";
 "Allow using Enter key to confirm associated candidate selection" = "Allow using Enter key to confirm associated candidate selection";
+"Also toggle alphanumerical mode with Left-Shift" = "Also toggle alphanumerical mode with Left-Shift";
 "Always use fixed listing order in candidate window" = "Always use fixed listing order in candidate window";
 "An accomodation for elder computer users." = "An accomodation for elder computer users.";
 "Apple ABC (equivalent to English US)" = "Apple ABC (equivalent to English US)";

Source/Resources/ja.lproj/Localizable.strings

@@ -91,6 +91,7 @@
 "Allow backspace-editing miscomposed readings" = "効かぬ音読みを BackSpace で再編集";
 "Allow boosting / excluding a candidate of single kanji" = "即排除/即最優先にできる候補の文字数の最低限は１字とする";
 "Allow using Enter key to confirm associated candidate selection" = "Enter キーを連想語彙候補の確認のために使う";
+"Also toggle alphanumerical mode with Left-Shift" = "左側の Shift キーでも英数入力モードの切り替え";
 "Always use fixed listing order in candidate window" = "候補文字を固定順番で陳列する";
 "An accomodation for elder computer users." = "年配なるユーザーのために提供した機能である。";
 "Apple ABC (equivalent to English US)" = "Apple ABC (Apple U.S. キーボードと同じ)";

Source/Resources/zh-Hans.lproj/Localizable.strings

@@ -91,6 +91,7 @@
 "Allow backspace-editing miscomposed readings" = "允许对无效的读音使用 BackSpace 编辑";
 "Allow boosting / excluding a candidate of single kanji" = "将可以就地升权/排除的候选字词的最短词长设为单个汉字";
 "Allow using Enter key to confirm associated candidate selection" = "允许使用 Enter 确认当前选中的联想词";
+"Also toggle alphanumerical mode with Left-Shift" = "也允许使用左侧的 Shift 键盘切换英数输入模式";
 "Always use fixed listing order in candidate window" = "以固定顺序来陈列选字窗内的候选字";
 "An accomodation for elder computer users." = "针对年长使用者的习惯而提供。";
 "Apple ABC (equivalent to English US)" = "Apple ABC (与 Apple 美规键盘等价)";

Source/Resources/zh-Hant.lproj/Localizable.strings

@@ -91,6 +91,7 @@
 "Allow backspace-editing miscomposed readings" = "允許對無效的讀音使用 BackSpace 編輯";
 "Allow boosting / excluding a candidate of single kanji" = "將可以就地升權/排除的候選字詞的最短詞長設為單個漢字";
 "Allow using Enter key to confirm associated candidate selection" = "允許使用 Enter 確認當前選中的聯想詞";
+"Also toggle alphanumerical mode with Left-Shift" = "也允許使用左側的 Shift 鍵盤切換英數輸入模式";
 "Always use fixed listing order in candidate window" = "以固定順序來陳列選字窗內的候選字";
 "An accomodation for elder computer users." = "針對年長使用者的習慣而提供。";
 "Apple ABC (equivalent to English US)" = "Apple ABC (與 Apple 美規鍵盤等價)";

Source/UI/PrefUI/suiPrefPaneExperience.swift

@@ -35,6 +35,8 @@ struct suiPrefPaneExperience: View {
     forKey: UserDef.kAlsoConfirmAssociatedCandidatesByEnter.rawValue)
   @State private var selKeepReadingUponCompositionError = UserDefaults.standard.bool(
     forKey: UserDef.kKeepReadingUponCompositionError.rawValue)
+  @State private var selTogglingAlphanumericalModeWithLShift = UserDefaults.standard.bool(
+    forKey: UserDef.kTogglingAlphanumericalModeWithLShift.rawValue)
   private let contentWidth: Double = {
     switch mgrPrefs.appleLanguages[0] {
       case "ja":
@@ -147,10 +149,10 @@ struct suiPrefPaneExperience: View {
           mgrPrefs.alsoConfirmAssociatedCandidatesByEnter = value
         }
         Toggle(
-          LocalizedStringKey("Allow backspace-editing miscomposed readings"),
+          LocalizedStringKey("Also toggle alphanumerical mode with Left-Shift"),
-          isOn: $selKeepReadingUponCompositionError
+          isOn: $selTogglingAlphanumericalModeWithLShift
-        ).onChange(of: selKeepReadingUponCompositionError) { value in
+        ).onChange(of: selTogglingAlphanumericalModeWithLShift) { value in
-          mgrPrefs.keepReadingUponCompositionError = value
+          mgrPrefs.togglingAlphanumericalModeWithLShift = value
         }
         Toggle(
           LocalizedStringKey("Emulating select-candidate-per-character mode"), isOn: $selEnableSCPCTypingMode