improve femto.txt

femto.txt

@@ -1,4 +1,4 @@
-femto text editor
+---- femto text editor ----
 
 based on nano.
 
@@ -9,22 +9,39 @@ turned off. the `femto` wrapper script achieves this
 using `sttry raw -echo` (it also restores the previous
 terminal settings on exit).
 
-current status:
- - hardcoded input path
+you must provide a path to a file when starting femto:
+
+    ./femto femto.tal
+
+----- current status -----
+
  - can't save changes
- - no page up/down
- - at least one delete bug
  - doesn't support long lines/horizontal scrolling
  - no search (or search&replace)
- - no help messages/status bar context
- - hardcodes 80x24 dimensions even on larger terminals
+ - no help messages
+
+----- special key bindings -----
+
+ C-o   save (TODO)
+ C-x   quit
 
-special key bindings
  C-a   go to beginning of line
- C-b   move back one character
- C-d   delete
  C-e   go to end of line
+
+ C-b   move back one character
  C-f   move forward one character
  C-n   move down one line
  C-p   move up one line
- C-x   quit
+
+ M-v   page up
+ C-v   page down
+
+ M-<   go to start of file
+ M->   go to end of file
+ M-g   go to line (TODO)
+
+ C-l   refresh screen
+ C-d   delete
+
+    (C stands for Control)
+    (M stands for Meta, often Alt or Option)