--- a/source.rst	Sun Sep 14 15:34:02 2014 +0900
+++ b/source.rst	Sun Sep 14 22:33:16 2014 +0900
@@ -17,7 +17,7 @@
 `^` `$`
     *first*, *last* character of line
 
-`ngg` `nG`
+`ngg` `nG` `:n`
     line n, default the *first*, *last*
 
 `n%`
@@ -36,6 +36,28 @@
     middle line of window
 
 
+Folding
+-------
+
+`zfm`
+    create fold of movement m
+
+`:rfo`
+    create fold for range r
+
+`zd` `zE`
+    delete fold at cursor, all in window
+
+`zo` `zc` `zO` `zC`
+    *open*, *close* one fold; *recursively*
+
+`[z` `]z`
+    move to *start*, *end* of current open fold
+
+`zj` `zk`
+    move *down*, *up* to *start*, *end* of next fold
+
+
 Editing
 -------
 
@@ -81,9 +103,104 @@
 ========
 
 
+Ex Commands
+-----------
+
+`:wn` `:wN`
+    write file and edit *next*, *previous* one
+
+`:n` `:N`
+    edit *next*, *previous* file in list
+
+`:r f`
+    insert content of file f below cursor
+
+`:r! c`
+    insert output of command c below cursor
+
+
+Multiwindowing
+--------------
+
+`^Ws` `:split`
+    split window in two
+
+`^Wv` `:vsplit`
+    vsplit window in two
+
+`^Wn` `:new`
+    create new empty window
+
+`^Wo` `:on`
+    make current window one on screen
+
+`^Wj` `^Wk`
+    move to window *below*, *above*
+
+`^Ww` `^W^W`
+    move to window *below*, *above* (wrap)
+
+`^Wq`
+    close current window
+
+
+Misc
+----
+
+`K`
+    lookup keyword under cursor with man
+
+`:make`
+    start make, read errors and jump to first
+
+`:cn` `:cp`
+    display the *next*, *previous* error
+
+`:cl` `:cf`
+    list all errors, read errors from file
+
+`^L` `^G`
+    redraw screen, show filename and position
+
+`g^G`
+    show cursor column, line, and character position
+
+`ga`
+    show ASCII value of character under cursor
+
+`gf`
+    open file which filename is under cursor
+
+
+Insert Mode
+-----------
+
+`^N` `^P`
+    complete text *before*, *after* cursor
+
+`^X^F`
+    complete filename
+
+`^X^L`
+    complete line
+
+`^X^P`
+    extend completion
+
+`^D` `^T`
+    shift *left*, *right* one shift width
+
+
+Column 3
+========
+
+
 VIM Regex
 ---------
 
+``\\_.``
+    ``.`` and eol
+
 ``*``
     0 or more
 
@@ -117,14 +234,72 @@
 ``\{-,m}``
     non-greedy ``\{,m}``
 
+``\v``
+    very magic
 
-Column 3
-========
+
+Formatting %
+------------
+
+.. %, mapping, conversion, min width, precision, length, type
+
+``%[(<name>)]`` *|* ``[#0- +][<min width 0-9*>][.<0-9*>][<length>]dioxXeEfFgGcrs``
+
+``#``
+    the value conversion will use the “alternate form” (where defined below)
+
+``0``
+    the conversion will be zero padded for numeric values
+
+``-``
+    the converted value is left adjusted (overrides the '0' conversion if both
+    are given)
+
+``␣``
+    (a space) a blank should be left before a positive number (or empty string)
+    produced by a signed conversion
+
+``+``
+    a sign character ('+' or '-') will precede the conversion (overrides a
+    “space” flag)
+
+``d`` ``i``
+    signed integer decimal
+
+``o``
+    signed octal value
+
+``x`` ``X``
+    signed hexadecimal *lowercase*, *uppercase*
+
+``e`` ``E``
+    floating point exponential format *lowercase*, *uppercase*
+
+``f`` ``F``
+    floating point decimal format
+
+``g`` ``G``
+    floating point format. Uses *lowercase*, *uppercase* exponential format if
+    exponent is less than -4 or not less than precision, decimal format
+    otherwise
+
+``c``
+    single character (accepts integer or single character string)
+
+``r``
+    string (converts any Python object using repr())
+
+``s``
+    string (converts any Python object using str())
 
 
 re Extensions
 -------------
 
+.. raw:: html
+
+    <div style="max-width: 600px;">
+
 ``(?iLmsux)``
     the group matches the empty string; the letters set the corresponding flags
 
@@ -143,13 +318,13 @@
     the contents of the parentheses are simply ignored
 
 ``(?=...)``
-    matches next, but doesn't consume any of the string (lookahead assertion)
+    lookahead assertion: matches next, but doesn't consume any of the string
 
 ``(?!...)``
     negative lookahead assertion
 
 ``(?<=...)``
-    matches a preceding string (lookbehind assertion)
+    lookbehind assertion: matches a preceding string
 
 ``(?<!...)``
     negative lookbehind assertion, patterns which start with it may match at
@@ -158,4 +333,8 @@
 .. break the list
 
 ``(?(id/name)yes-pattern|no-pattern)``
-    magic. ``(<)?(\w+@\w+(?:\.\w+)+)(?(1)>)``
+    sorcery. ``(<)?(\w+@\w+(?:\.\w+)+)(?(1)>)``
+
+.. raw:: html
+
+    </div>