v855: Remember last used directory

- note that as of v855, it's tracked in the active session file for next load

Author: pryrt

content/docs/preferences.md

@@ -187,7 +187,8 @@ These affect open and save operations.
 
 * **Default Directory**:
     * `Follow current document`: open/save dialogs will default to the current directory for the current file
-    * `Remember last used directory`: open/save dialogs will remember the last directory you used in the dialog on subsequent uses of the dialogs (regardless of where the current file is located).  _Note_: the last used directory will only be updated when the **Open** or **Save** option is selected; if you **Cancel** or escape out of dialog, the last used directory will not be updated and will keep its previous value.  Also, note that the last used directory is not remembered across runs of Notepad++: if you restart Notepad++, when you first initiate a **Save As**, it will prompt with the directory the `notepad++.exe` file is in.
+    * `Remember last used directory`: open/save dialogs will remember the last directory you used in the dialog on subsequent uses of the dialogs (regardless of where the current file is located).  _Note_: the last used directory will only be updated when the **Open** or **Save** option is selected; if you **Cancel** or escape out of dialog, the last used directory will not be updated and will keep its previous value.
+        - In older versions, the last used directory is not remembered across runs of Notepad++: if you restart Notepad++, when you first initiate a **Save As**, it will prompt with the directory the `notepad++.exe` file is in.  But starting in v8.5.5, the active session file actually tracks that directory.
     * `___ ...`: this entry box with no label allows you to browse to a default directory, and all open/save dialogs will start in that directory
 * `☐ Open all files of folder instead of launching Folder as Workspace on folder dropping`: when checked, if you drag a folder from a Windows Explorer window, Notepad++ will open all the files individually; when unchecked, Notepad++ will use the Folder as Workspace feature when you drag the folder into Notepad++