TW-1642: After "--", an apostrophe unexpectedly ends the task description

- Thanks to Jeremy John Reeder.

ChangeLog

@@ -83,6 +83,8 @@
           epoch 0.
 - TW-1641 'edit' should process or reject <mods> arguments (thanks to Daniel
           Shahaf).
+- TW-1642 After "--", an apostrophe unexpectedly ends the task description
+          (thanks to Jeremy John Reeder).
 - Prevent potential task duplication during import for non-pending tasks.
 - Show the active context in "context list", if any is active.
 - Fix "task edit" dropping annotation text after newlines.

src/CLI2.cpp

@@ -439,9 +439,13 @@ void CLI2::lexArguments ()
     }
     else
     {
+      std::string quote = "'";
+      std::string escaped = _original_args[i];
+      str_replace (escaped, quote, "\\'");
+
       std::string::size_type cursor = 0;
       std::string word;
-      if (Lexer::readWord ("'" + _original_args[i] + "'", "'", cursor, word))
+      if (Lexer::readWord (quote + escaped + quote, quote, cursor, word))
       {
         Lexer::dequote (word);
         A2 unknown (word, Lexer::Type::word);