Update help files.
diff --git a/runtime/doc/editing.txt b/runtime/doc/editing.txt
index b4cdc48..a10e822 100644
--- a/runtime/doc/editing.txt
+++ b/runtime/doc/editing.txt
@@ -1376,7 +1376,7 @@
don't write the file encrypted! You need to rebuild the Vim binary to fix
this.
-*E831* This is an internal error, "cannot happen". If you can reproduc it,
+*E831* This is an internal error, "cannot happen". If you can reproduce it,
please report to the developers.
When reading a file that has been encrypted and the 'key' option is not empty,
diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index d9174fc..605c3cb 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -30,11 +30,6 @@
*known-bugs*
-------------------- Known bugs and current work -----------------------
-internal error hash_add() (Peter Odding)
- :set tags=/tmp/bad_tags
- :call taglist('.')
-Also with one line tags file. (Lech Lorens, Jun 9)
-
gtk_selection_clear_targets not available in GTK1 (Patrick Texier)
Use #ifdefs to use old code for GTK1.
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index 63b279b..eed7d9c 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -189,7 +189,8 @@
mapping |:noremap|, the argument can be mapped anyway.
An alternative is to use |:execute|, which uses an
expression as argument. This allows the use of
- printable characters. Example: >
+ printable characters to represent special characters.
+ Example: >
:exe "normal \<c-w>\<c-w>"
< {not in Vi, of course}
{not available when the |+ex_extra| feature was