Add Iskeyword option

autoload/EasyMotion.vim

@@ -1196,6 +1196,14 @@ function! s:DotPromptUser(groups) "{{{
 endfunction "}}}
 
 function! s:EasyMotion(regexp, direction, visualmode, is_inclusive, ...) " {{{
+    " Set local iskeyword for EasyMotion
+    if exists('g:EasyMotion_is_not_keyword')
+        let s:initial_keyword = &iskeyword
+        let s:exclude_keyword = split(g:EasyMotion_is_not_keyword, ',')
+        for item in s:exclude_keyword
+            execute 'set iskeyword-='.item
+        endfor
+    endif
     let config = extend(s:default_config(), get(a:, 1, {}))
     " Store s:current original_position & cursor_position {{{
     " current cursor pos.
@@ -1598,6 +1606,10 @@ function! s:EasyMotion(regexp, direction, visualmode, is_inclusive, ...) " {{{
             call EasyMotion#attach_active_autocmd() "}}}
         endif
     endtry
+    " Turn iskeyword back to normal setting
+    if exists('g:EasyMotion_is_not_keyword')
+        execute 'set iskeyword='.s:initial_keyword
+    endif
 endfunction " }}}
 "}}}
 " }}}

doc/easymotion.txt

@@ -475,6 +475,14 @@ iskeyword compatible word motions           *<Plug>(easymotion-iskeyword-w)*
         map <Leader>b <Plug>(easymotion-iskeyword-b)
 <
         NOTE: Within line motions are compatible with |iskeyword| by default.
+        If you want separated |iskeyword| for EasyMotion, you can use default
+        |iskeyword| option separated by comma.
+
+        Example:
+>
+        " Exclude - and _ (dash and underscore)
+        let g:EasyMotion_is_not_keyword = "-,_"
+<
 
 Search motion respect previous direction