"Add a Linked File..." menu item (#67)

* Add a Linked File... menu item

* Add more text

* Revise

Author: MakotoE

en/dlg/find_in_files/index.md

@@ -191,7 +191,13 @@ The following dialog box is also available through this dialog box.
 
 ## Add to Batch button
 
-Adds the current settings to the batch list.
+Adds the current settings to the batch list. Click the ▼ button to show the menu.
+
+## ▼ button
+
+|     |     |
+| --- | --- |
+| **Add a Linked File...** | Select a file that contains multiple find strings separated by newlines. This is similar to **Import**, but a linked file only contains find strings. A linked file also uses less memory, because the file is shown as one entry in the Find list box. |
 
 ## Batch >> button
 

en/dlg/replace_in_files/index.md

@@ -199,7 +199,13 @@ Click this button to display the [**Advanced** dialog box](../advanced/index) to
 
 ## Add to Batch button
 
-Adds the current settings to the batch list.
+Adds the current settings to the batch list. Click the ▼ button to show the menu.
+
+## ▼ button
+
+|     |     |
+| --- | --- |
+| **Add a Linked File...** | Select a TSV file that contains multiple find and replace strings separated by newlines. This is similar to **Import**, but a linked file only contains find and replace strings. A linked file also uses less memory, because the file is shown as one entry in the Replace list box. Each line of a linked file contains the find string, a tab, and the replace string. |
 
 ## Batch >> button