Adding the CSI 22, 23 patch

README.md

@@ -15,6 +15,8 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
 
 ### Changelog:
 
+2021-08-18 - Added the CSI 22 & 23 patch
+
 2021-07-26 - Added columns patch
 
 2021-07-07 - Added sixel scrollback and the openurlonclick patch
@@ -88,7 +90,8 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
       - allows st to reize to any pixel size rather than snapping to character width / height
 
    - [anysize_nobar](https://github.com/connor-brooks/st-anysize-nobar)
-      - a patch that aims to prevent black bars being drawn on the edges of st terminals using the anysize patch
+      - a patch that aims to prevent black bars being drawn on the edges of st terminals using the
+        anysize patch
 
    - [blinking-cursor](https://st.suckless.org/patches/blinking_cursor/)
       - allows the use of a blinking cursor
@@ -112,6 +115,10 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
       - this patch allows you to select and copy the last URL displayed with Mod+l
       - multiple invocations cycle through the available URLs
 
+   - [csi_23_23](https://st.suckless.org/patches/csi_22_23/)
+      - adds support for CSI escape sequences 22 and 23, which save and restores the window title
+        (for instance nvim does this when opening and closing)
+
    - default-cursor
       - minor change allowing escape sequences like `\e[ q` or `\e[0 q` to set the cursor back to default configuration instead of a blinking block
       - while many terminals do this the behaviour is not according to the specification