diff --git a/doc/Summary.lyx b/doc/Summary.lyx
index 5f6481a..a72d89f 100644
--- a/doc/Summary.lyx
+++ b/doc/Summary.lyx
@@ -1,7 +1,9 @@
-#LyX 2.0 created this file. For more info see http://www.lyx.org/
-\lyxformat 413
+#LyX 2.3 created this file. For more info see http://www.lyx.org/
+\lyxformat 544
 \begin_document
 \begin_header
+\save_transient_properties true
+\origin unavailable
 \textclass article
 \use_default_options false
 \maintain_unincluded_children false
@@ -9,16 +11,18 @@
 \language_package default
 \inputencoding auto
 \fontencoding global
-\font_roman default
-\font_sans default
-\font_typewriter default
+\font_roman "default" "default"
+\font_sans "default" "default"
+\font_typewriter "default" "default"
+\font_math "auto" "auto"
 \font_default_family default
 \use_non_tex_fonts false
 \font_sc false
 \font_osf false
-\font_sf_scale 100
-\font_tt_scale 100
-
+\font_sf_scale 100 100
+\font_tt_scale 100 100
+\use_microtype false
+\use_dash_ligatures true
 \graphics default
 \default_output_format default
 \output_sync 0
@@ -29,16 +33,26 @@
 \use_hyperref false
 \papersize letterpaper
 \use_geometry true
-\use_amsmath 1
-\use_esint 1
-\use_mhchem 0
-\use_mathdots 1
+\use_package amsmath 1
+\use_package amssymb 1
+\use_package cancel 1
+\use_package esint 1
+\use_package mathdots 1
+\use_package mathtools 1
+\use_package mhchem 0
+\use_package stackrel 1
+\use_package stmaryrd 1
+\use_package undertilde 1
 \cite_engine basic
+\cite_engine_type default
+\biblio_style plain
 \use_bibtopic false
 \use_indices false
 \paperorientation portrait
 \suppress_date false
+\justification true
 \use_refstyle 0
+\use_minted 0
 \index Index
 \shortcut idx
 \color #008000
@@ -51,7 +65,10 @@
 \tocdepth 3
 \paragraph_separation skip
 \defskip medskip
-\quotes_language english
+\is_math_indent 0
+\math_numbering_side default
+\quotes_style english
+\dynamic_quotes 0
 \papercolumns 1
 \papersides 1
 \paperpagestyle default
@@ -73,7 +90,7 @@ TECO Summary
 status open
 
 \begin_layout Plain Layout
-Blake McBride (blake@mcbride.name), rev 6/6/2015
+Blake McBride (blake@mcbride.name), rev 8/26/2020
 \end_layout
 
 \end_inset
@@ -99,7 +116,7 @@ ed
 vi
 \emph default
  which is screen oriented.
- Teco deals with one character at a time and makes only little distinction
+ Teco deals with one character at a time and makes very little distinction
  between one line and another.
  Therefore, at any given time, the current location teco sees is a character
  position and not a line.
@@ -135,8 +152,8 @@ Even though the command are shown in capitol letters, one would normally
 \begin_inset Tabular
 <lyxtabular version="3" rows="7" columns="2">
 <features tabularvalignment="middle">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="left" valignment="top" topline="true" leftline="true" usebox="none">
 \begin_inset Text
@@ -272,7 +289,7 @@ A named storage area called a q-register.
 \begin_inset Text
 
 \begin_layout Plain Layout
-character a-z and 0-9 to name the register.
+single character a-z or 0-9 to name the register.
 \end_layout
 
 \end_inset
@@ -296,8 +313,8 @@ Exiting
 \begin_inset Tabular
 <lyxtabular version="3" rows="2" columns="2">
 <features tabularvalignment="middle">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
 \begin_inset Text
@@ -360,8 +377,8 @@ File commands
 \begin_inset Tabular
 <lyxtabular version="3" rows="4" columns="2">
 <features tabularvalignment="middle">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="center" valignment="top" topline="true" leftline="true" rightline="true" usebox="none">
 \begin_inset Text
@@ -464,8 +481,8 @@ Displaying text (not for Video Teco)
 \begin_inset Tabular
 <lyxtabular version="3" rows="5" columns="2">
 <features tabularvalignment="middle">
-<column alignment="center" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="center" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
 \begin_inset Text
@@ -590,11 +607,11 @@ Cursor movement commands
 
 \begin_layout Standard
 \begin_inset Tabular
-<lyxtabular version="3" rows="15" columns="3">
+<lyxtabular version="3" rows="17" columns="3">
 <features tabularvalignment="middle">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
 \begin_inset Text
@@ -1033,6 +1050,64 @@ nES
 Scroll screen n lines
 \end_layout
 
+\end_inset
+</cell>
+</row>
+<row>
+<cell alignment="center" valignment="top" bottomline="true" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" bottomline="true" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+-1^X
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" bottomline="true" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+Searches are case sensitive
+\end_layout
+
+\end_inset
+</cell>
+</row>
+<row>
+<cell alignment="center" valignment="top" bottomline="true" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" bottomline="true" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+0^X
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" bottomline="true" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+Searches are case insensitive (default)
+\end_layout
+
 \end_inset
 </cell>
 </row>
@@ -1058,8 +1133,8 @@ Entering text
 \begin_inset Tabular
 <lyxtabular version="3" rows="2" columns="2">
 <features tabularvalignment="middle">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
 \begin_inset Text
@@ -1118,9 +1193,9 @@ Deleting text
 \begin_inset Tabular
 <lyxtabular version="3" rows="12" columns="3">
 <features tabularvalignment="middle">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
 \begin_inset Text
@@ -1497,8 +1572,8 @@ Variables
 \begin_inset Tabular
 <lyxtabular version="3" rows="5" columns="2">
 <features tabularvalignment="middle">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
 \begin_inset Text
@@ -1625,8 +1700,8 @@ Cut & Paste
 \begin_inset Tabular
 <lyxtabular version="3" rows="6" columns="2">
 <features tabularvalignment="middle">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" rightline="true" usebox="none">
 \begin_inset Text
@@ -1765,8 +1840,8 @@ Iteration
 \begin_inset Tabular
 <lyxtabular version="3" rows="1" columns="2">
 <features tabularvalignment="middle">
-<column alignment="center" valignment="top" width="0">
-<column alignment="center" valignment="top" width="0">
+<column alignment="center" valignment="top">
+<column alignment="center" valignment="top">
 <row>
 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
 \begin_inset Text
@@ -1831,8 +1906,8 @@ One can put a series of teco commands in a file and execute that command
 \begin_inset Tabular
 <lyxtabular version="3" rows="2" columns="2">
 <features tabularvalignment="middle">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="left" valignment="top" topline="true" leftline="true" usebox="none">
 \begin_inset Text
@@ -1916,8 +1991,8 @@ Commands, text, and contents of files can also be put into and executed
 \begin_inset Tabular
 <lyxtabular version="3" rows="5" columns="2">
 <features tabularvalignment="middle">
-<column alignment="left" valignment="top" width="0">
-<column alignment="left" valignment="top" width="0">
+<column alignment="left" valignment="top">
+<column alignment="left" valignment="top">
 <row>
 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
 \begin_inset Text
diff --git a/doc/Summary.pdf b/doc/Summary.pdf
index b6a2bef..3256d61 100644
Binary files a/doc/Summary.pdf and b/doc/Summary.pdf differ