diff --git a/plugin/bullets.vim b/plugin/bullets.vim
index bfea5b5..2dffa87 100644
--- a/plugin/bullets.vim
+++ b/plugin/bullets.vim
@@ -288,9 +288,9 @@ fun! s:match_checkbox_bullet_item(input_text)
   " match any symbols listed in g:bullets_checkbox_markers as well as the
   " default ' ', 'x', and 'X'
   let l:checkbox_bullet_regex =
-        \ '\v(^(\s*)([-\*] \[(['
+        \ '\v(^(\s*)([+-\*] \[(['
         \ . g:bullets_checkbox_markers
-        \ . ' xX])?\])(\s+))(.*)'
+        \ . ' xX])?\])(:?)(\s+))(.*)'
   let l:matches = matchlist(a:input_text, l:checkbox_bullet_regex)
 
   if empty(l:matches)
@@ -301,8 +301,9 @@ fun! s:match_checkbox_bullet_item(input_text)
   let l:leading_space     = l:matches[2]
   let l:bullet            = l:matches[3]
   let l:checkbox_marker   = l:matches[4]
-  let l:trailing_space    = l:matches[5]
-  let l:text_after_bullet = l:matches[6]
+  let l:trailing_char     = l:matches[5]
+  let l:trailing_space    = l:matches[6]
+  let l:text_after_bullet = l:matches[7]
 
   return {
         \ 'bullet_type':       'chk',
@@ -310,7 +311,7 @@ fun! s:match_checkbox_bullet_item(input_text)
         \ 'leading_space':     l:leading_space,
         \ 'bullet':            l:bullet,
         \ 'checkbox_marker':   l:checkbox_marker,
-        \ 'closure':           '',
+        \ 'closure':           l:trailing_char,
         \ 'trailing_space':    l:trailing_space,
         \ 'text_after_bullet': l:text_after_bullet
         \ }
@@ -631,14 +632,15 @@ command! InsertNewBullet call <SID>insert_new_bullet()
 " Helper for Colon Indent
 "   returns 1 if current line ends in a colon, else 0
 fun! s:line_ends_in_colon(lnum)
-  return getline(a:lnum)[strlen(getline(a:lnum))-1:] ==# ':'
+  let l:last_char_nr = strgetchar(getline(a:lnum), strcharlen(getline(a:lnum))-1)
+  return l:last_char_nr == 65306 || l:last_char_nr == 58
 endfun
 " --------------------------------------------------------- }}}
 
 " Checkboxes ---------------------------------------------- {{{
 fun! s:find_checkbox_position(lnum)
   let l:line_text = getline(a:lnum)
-  return matchend(l:line_text, '\v\s*(\*|-) \[')
+  return matchend(l:line_text, '\v\s*(\*|-|\+) \[')
 endfun
 
 fun! s:select_checkbox(inner)
diff --git a/spec/nested_bullets_spec.rb b/spec/nested_bullets_spec.rb
index a20b44e..7cdc97a 100644
--- a/spec/nested_bullets_spec.rb
+++ b/spec/nested_bullets_spec.rb
@@ -593,6 +593,33 @@
           \ti. this bullet is indented
           \tii. this bullet is also indented
       TEXT
+
+      write_file(filename, <<-TEXT)
+          # Hello there
+          a. this is the first bullet
+      TEXT
+
+      vim.command 'let g:bullets_auto_indent_after_colon = 1'
+      vim.edit filename
+      vim.feedkeys '\<ESC>'
+      vim.type 'GA'
+      vim.feedkeys '\<cr>'
+      vim.type 'this is the second bullet that ends with fullwidth colon：'
+      vim.feedkeys '\<cr>'
+      vim.type 'this bullet is indented'
+      vim.feedkeys '\<cr>'
+      vim.type 'this bullet is also indented'
+      vim.write
+
+      file_contents = IO.read(filename)
+
+      expect(file_contents.strip).to eq normalize_string_indent(<<-TEXT)
+          # Hello there
+          a. this is the first bullet
+          b. this is the second bullet that ends with fullwidth colon：
+          \ti. this bullet is indented
+          \tii. this bullet is also indented
+      TEXT
     end
   end
 end