Disable "clever-s" by default

To enable "clever-s", add this to your .vimrc:
    let g:sneak#s_next = 1

README.md

@@ -28,8 +28,8 @@ Sneak is invoked with `s` followed by exactly two characters:
 
 * Press `sab` to **move the cursor** immediately to the next instance of the text "ab".
     * Additional matches, if any, are highlighted until the cursor is moved.
-* Press `s` *or* `;` to go to the next match.
-* Press `3s` *or* `3;` to skip to the third match from the current position.
+* Press `;` to go to the next match (or `s` again, if `s_next` is enabled; see [`:help sneak`](doc/sneak.txt)).
+* Press `3;` to skip to the third match from the current position.
 * Press `ctrl-o` or ``` `` ``` to go back to the starting point.
     * This is a built-in Vim motion; Sneak adds to Vim's [jumplist](http://vimdoc.sourceforge.net/htmldoc/motion.html#jumplist)
       *only* on `s` invocation—not repeats—so you can 
@@ -53,7 +53,7 @@ via `z` (because `s` is taken by surround.vim).
     * Press `d;` to delete up to the next match.
     * Press `4d;` to delete up to the *fourth* next match.
 * Press `ysz))]` to surround in brackets up to `))`.
-    * Press `s` *or* `;` to go to the next `))`.
+    * Press `;` to go to the next `))`.
 * Press `gUz\}` to upper-case the text from the cursor until the next instance
   of the literal text `\}`
     * Press `.` to repeat the `gUz\}` operation.

doc/sneak.txt

@@ -269,16 +269,16 @@ g:sneak#t_reset = 1
         you invoke f or t. See the README.md FAQ regarding "f-enhancement"
         plugins.
 
-g:sneak#s_next = 1
+g:sneak#s_next = 0
 
     0 : Disable "clever-s" behavior. Use |;| and |,| to go to the next or
         previous match.
 
-    1 : Immediately after invoking Sneak, press "s" _again_ to go to the
-        next match (or "S" for the previous match); this behavior persists
-        until you move the cursor. This feature is called "clever-s" because
-        it originated in the clever-f[3] plugin.
-        Note: You can also use |;| and |,| at any time, as usual.
+    1 : Enable the "clever-s" feature (similar to the clever-f plugin[3]).
+        It works like this: immediately after invoking Sneak, press "s" _again_
+        to go to the next match, or "S" for the previous match. This behavior
+        persists until you move the cursor.
+        Note: You can still use |;| and |,| as usual.
 
 g:sneak#textobject_z = 1
 

plugin/sneak.vim

@@ -19,7 +19,7 @@ func! sneak#init()
   "options                                 v-- for backwards-compatibility
   let g:sneak#opt = { 'f_reset' : get(g:, 'sneak#nextprev_f', get(g:, 'sneak#f_reset', 1))
       \ ,'t_reset'      : get(g:, 'sneak#nextprev_t', get(g:, 'sneak#t_reset', 1))
-      \ ,'s_next'       : get(g:, 'sneak#s_next', 1)
+      \ ,'s_next'       : get(g:, 'sneak#s_next', 0)
       \ ,'textobject_z' : get(g:, 'sneak#textobject_z', 1)
       \ ,'use_ic_scs'   : get(g:, 'sneak#use_ic_scs', 0)
       \ ,'map_netrw'    : get(g:, 'sneak#map_netrw', 1)

tests/test.vader

@@ -465,6 +465,10 @@ Expect:
 ###########################################################
 # clever-s _not_ in streak-mode
 
+Execute (init clever-s):
+  let g:sneak#s_next = 1
+  call sneak#init()
+
 Given:
   abcdef abcdef abcdef
   abcdef abcdef abcdef
@@ -502,6 +506,9 @@ Expect:
   abcdxef abcdef abcdef
   abcdef abcdef abcdef
 
+Execute (unset clever-s):
+  let g:sneak#s_next = 0
+  call sneak#init()
 ###########################################################
 
 Given:
@@ -571,27 +578,11 @@ Expect:
 #  abcdef ``=2Bd-a3/+ =QWEOIJ/+     ~~~!!! ! { } abc AAaab
 #  abcdef ``=2Bd-a3/+ abCDef ``=2Bd-a3/+
 
-# force-exit via <Space> because feedkeys() in do_streak() breaks macros/Vader
-Do (clever-s, streak-mode):
-  sab\<Space>2six
-
 Expect:
   abcdef ``=2Bd-a3/+ abCDef ``=2Bd-a3/+
   `=QWEOIJ/+     ~~~!!! ! { } abc AAaxab
   abcdef ``=2Bd-a3/+ abCDef ``=2Bd-a3/+
 
-# TODO: this is working, but fails in Vader
-#Do (clever-s, visual-mode, streak-mode):
-#  vsabsd
-#
-#Expect:
-#  bc AAaab
-#  abcdef ``=2Bd-a3/+ abCDef ``=2Bd-a3/+
-
-# TODO: this is working, but fails in Vader
-#Do (clever-s, backwards clever-s, visual-mode, streak-mode):
-#  jvsabsssZd
-#
 #Expect:
 #  abcdef ``=2Bd-a3/+ abCDef ``=2Bd-a3/+
 #  bcdef ``=2Bd-a3/+ abCDef ``=2Bd-a3/+