diff --git a/README.md b/README.md
index 4089e2f..f6f5872 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,16 @@ now you can write in any window with the same [map] as the web demo!!! wow
 - if you type `\7` it explodes and you have to reselect the layout before it
   starts working again. literally no idea why
 
+## additions
+
+| char | input | char | input |
+|------|-------|------|-------|
+| ⇒    | `\|`  | ⦂    | `\Y`  |
+
+## unused keys
+
+\C, \D, \J, \N, \U, \y, (\7 but [it breaks](#deficiencies))
+
 
 [^sudo]: i tried a few places in `~/.local` and stuff but none of them seemed to
          work. if you know where to put user-local tables hmu
diff --git a/bqn.txt b/bqn.txt
index 014b22d..65c8804 100644
--- a/bqn.txt
+++ b/bqn.txt
@@ -4,7 +4,7 @@ VERSION_1_0
 ### Begin Table definition.
 BEGIN_DEFINITION
 UUID = 695258b4-7191-11ec-86c5-0f25b3d2e61e
-SERIAL_NUMBER = 20220109
+SERIAL_NUMBER = 20221228
 LICENSE = BSD3
 ICON = bqn.png
 NAME = BQN
@@ -16,7 +16,7 @@ DYNAMIC_ADJUST = FALSE
 DEF_FULL_WIDTH_PUNCT = FALSE
 DEF_FULL_WIDTH_LETTER = FALSE
 MAX_KEY_LENGTH = 2
-VALID_INPUT_CHARS == \~`!1@2#3$4%5^6&*8(9)0_-+=QqWwEeRrTtuIiOoPp{}[]AaSsdFfGgHhjKkLl:;"'ZzXxcVvBbnMm<,>.?/
+VALID_INPUT_CHARS == \~`!1@2#3$4%5^6&*8(9)0_-+=QqWwEeRrTtYuIiOoPp{}[]AaSsdFfGgHhjKkLl:;"'ZzXxcVvBbnMm<,>.?/|
 LAYOUT = default
 USER_CAN_DEFINE_PHRASE = FALSE
 PINYIN_MODE = FALSE
@@ -70,6 +70,7 @@ R	R	0
 r	r	0
 T	T	0
 t	t	0
+Y	Y	0
 u	u	0
 I	I	0
 i	i	0
@@ -79,6 +80,7 @@ P	P	0
 p	p	0
 {	{	0
 }	}	0
+|	|	0
 [	[	0
 ]	]	0
 A	A	0
@@ -163,11 +165,13 @@ m	m	0
 \O	⊒	0
 \P	⍳	0
 \Q	↙	0
+\R	𝕣	0
 \S	𝕊	0
 \T	⍋	0
 \V	⍒	0
 \W	𝕎	0
 \X	𝕏	0
+\Y	⦂	0
 \Z	⋈	0
 \[	←	0
 \\	\	0
@@ -193,7 +197,6 @@ m	m	0
 \p	π	0
 \q	⌽	0
 \r	↑	0
-\R	𝕣	0
 \s	𝕤	0
 \t	∧	0
 \u	⊔	0
@@ -204,6 +207,7 @@ m	m	0
 \{	⊣	0
 \}	⊢	0
 \~	¬	0
+\|	⇒	0
 END_TABLE
 
 ### vim: set sts=8 noet tw=0 :