document new bindings introduced in cd1c2f74d3

doc_src/bind.txt

@@ -69,9 +69,11 @@ The following special input functions are available:
 - \c backward-word, move one word to the left
 - \c beginning-of-history, move to the beginning of the history
 - \c beginning-of-line, move to the beginning of the line
+- \c capitalize-word, make the current word begin with a capital letter
 - \c complete, guess the remainder of the current token
 - \c delete-char, delete one character to the right of the cursor
 - \c delete-line, delete the entire line
+- \c downcase-word, make the current work lowercase
 - \c dump-functions, print a list of all key-bindings
 - \c end-of-history, move to the end of the history
 - \c end-of-line, move to the end of the line
@@ -83,6 +85,7 @@ The following special input functions are available:
 - \c kill-line, move everything from the cursor to the end of the line to the killring
 - \c kill-whole-line, move the line to the killring
 - \c kill-word, move the next word to the killring
+- \c upcase-word, make the current word uppercase
 - \c yank, insert the latest entry of the killring into the buffer
 - \c yank-pop, rotate to the previous entry of the killring
 

doc_src/index.hdr.in

@@ -1120,6 +1120,8 @@ Here are some of the commands available in the editor:
 - Alt-W prints a short description of the command under the cursor.
 - Alt-L lists the contents of the current directory, unless the cursor is over a directory argument, in which case the contents of that directory will be listed.
 - Alt-P adds the string <code>'| less;'</code> to the end of the job under the cursor. The result is that the output of the command will be paged.
+- Alt-C capitalizes the current word.
+- Alt-U makes the current work uppercase.
 
 You can change these key bindings using the
 <a href="commands.html#bind">bind</a> builtin command.