WIP, incomplete keystroke tables

Author: masinter

content/en/docs/Keystrokes.md

@@ -0,0 +1,34 @@
+---
+title: Keystrokes, Mouse menus and Gestures
+url: /doc/info/Keystrokes.html
+weight: 40
+---
+The handling of keyboard and mouse clicks and gestures is different and varied within the Medley Interlisp environment. This chart shows common keystrokes.
+[Tabled of Keystrokes](https://docs.google.com/spreadsheets/d/1FOkrr62TtEhhY49m9U0T_6bvqSGRQt9fBRtMDw0YKtY/edit?usp=sharing) has the raw data.
+
+
+## At an "exec" (i.e., the REPL)
+
+|character |action                        |
+|----------|------------------------------|
+|back      |delete the previous character|
+|ctrl-H    |  ""                         |
+|ctrl-M    |insert End-of-Line           |
+|ctrl-alt-J|move down                    |
+|ctrl-alt-L|move to start of line        |
+|ctrl-alt-Y|"get userexec" ????          |
+|ctrl-P    |interrupt typeout,set printlevel|
+
+
+## Interrupt characters
+
+These are enabled per-process. Medley maintains, for each process, a "termtable" which enables different kinds of interrupts. In general, the process (sometimes known as the "TTY" process or the process that "has the keyboard". 
+
+|character|action                                                |
+|---------|-----------------------------------------             |
+|ctrl-B   |stop the process and enter a break window             |
+|ctrl-D   | reset the process, unwind the stack to the top level |
+|ctrl-E   | unwind the stack as if an error occured without break|
+|ctrl-G   | ?? |
+
+

content/en/docs/Using.md

@@ -83,8 +83,9 @@ optional (if not provided they default to NIL) and ignores extra arguments
 
 ## Macros
 
-Interlisp supports macros but unlike Common Lisp, Interlisp symbols
-may simultaneously have a function definition and a macro definition.
+Interlisp supports macros (including macros defined with CL:DEFMACRO).
+In addition, Interlisp supports a kind of "compiler-macro" by
+setting a MACRO property; a symbol may simultaneously have a function definition and a MACRO property.
 If a symbol has both a function definition and a macro definition, the
 function definition is used by the interpreter and the macro
 is used by the compiler.  This allows for extra error checking during 
@@ -93,7 +94,7 @@ development and fast operation during production use.
 Interlisp also has a backquote facility similar to Common Lisp's \`
 and \, read macros.
 
-Unlike Common Lisp, Interlisp does not have a special function for
+Interlisp does not have a special function for
 defining macros.  Macros are defined by placing their definition on
 the property list of the symbol.
 
@@ -110,6 +111,11 @@ In Medley Common Lisp and Interlisp are fully
 integrated.  From within Common Lisp, Interlisp functions may be
 accessed through the Common Lisp package nicknamed ``IL''.
 
+# Keystrokes and Mouse menus and gestures
+
+Interlisp and Medley were developed long before there were "User Interface Guidelines" for what keystrokes and mouse gestures and menus.
+See [Keystrokes, Mouse Menus and Gestures](Keystrokes).
+
 # Continuing On
 
 This introduction was designed to provide the most general of