diff --git a/src/testdir/test_termcodes.vim b/src/testdir/test_termcodes.vim
index 2862a6a..d882756 100644
--- a/src/testdir/test_termcodes.vim
+++ b/src/testdir/test_termcodes.vim
@@ -32,6 +32,16 @@
   call TerminalEscapeCode(0x21, 1, a:row, a:col, 'M')
 endfunc
 
+func MouseCtrlLeftClick(row, col)
+  let ctrl = 0x10
+  call TerminalEscapeCode(0x20 + ctrl, 0 + ctrl, a:row, a:col, 'M')
+endfunc
+
+func MouseCtrlRightClick(row, col)
+  let ctrl = 0x10
+  call TerminalEscapeCode(0x22 + ctrl, 2 + ctrl, a:row, a:col, 'M')
+endfunc
+
 func MouseLeftRelease(row, col)
   call TerminalEscapeCode(0x23, 3, a:row, a:col, 'm')
 endfunc
@@ -40,6 +50,10 @@
   call TerminalEscapeCode(0x23, 3, a:row, a:col, 'm')
 endfunc
 
+func MouseRightRelease(row, col)
+  call TerminalEscapeCode(0x23, 3, a:row, a:col, 'm')
+endfunc
+
 func MouseLeftDrag(row, col)
   call TerminalEscapeCode(0x43, 0x20, a:row, a:col, 'M')
 endfunc
@@ -62,7 +76,7 @@
 
   for ttymouse_val in ['xterm2', 'sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    exe 'set ttymouse=' . ttymouse_val
+    exe 'set ttymouse=' .. ttymouse_val
     go
     call assert_equal([0, 1, 1, 0], getpos('.'), msg)
     let row = 2
@@ -78,6 +92,39 @@
   bwipe!
 endfunc
 
+" Test that <C-LeftMouse> jumps to help tag and <C-RightMouse> jumps back.
+func Test_xterm_mouse_ctrl_click()
+  let save_mouse = &mouse
+  let save_term = &term
+  let save_ttymouse = &ttymouse
+  set mouse=a term=xterm
+
+  for ttymouse_val in ['xterm2', 'sgr']
+    let msg = 'ttymouse=' .. ttymouse_val
+    exe 'set ttymouse=' .. ttymouse_val
+    help
+    /usr_02.txt
+    norm! zt
+    let row = 1
+    let col = 1
+    call MouseCtrlLeftClick(row, col)
+    call MouseLeftRelease(row, col)
+    call assert_match('usr_02.txt$', bufname('%'), msg)
+    call assert_equal('*usr_02.txt*', expand('<cWORD>'))
+
+    call MouseCtrlRightClick(row, col)
+    call MouseLeftRelease(row, col)
+    call assert_match('help.txt$', bufname('%'), msg)
+    call assert_equal('|usr_02.txt|', expand('<cWORD>'))
+
+    helpclose
+  endfor
+
+  let &mouse = save_mouse
+  let &term = save_term
+  let &ttymouse = save_ttymouse
+endfunc
+
 func Test_xterm_mouse_middle_click()
   if !WorkingClipboard()
     throw 'Skipped: No working clipboard'
@@ -93,7 +140,7 @@
 
   for ttymouse_val in ['xterm2', 'sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    exe 'set ttymouse=' . ttymouse_val
+    exe 'set ttymouse=' .. ttymouse_val
     call setline(1, ['123456789', '123456789'])
 
     " Middle-click in the middle of the line pastes text where clicked.
@@ -134,7 +181,7 @@
 
   for ttymouse_val in ['xterm2', 'sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    exe 'set ttymouse=' . ttymouse_val
+    exe 'set ttymouse=' .. ttymouse_val
     go
     call assert_equal(1, line('w0'), msg)
     call assert_equal([0, 1, 1, 0], getpos('.'), msg)
@@ -170,7 +217,7 @@
 
   for ttymouse_val in ['xterm2', 'sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    exe 'set ttymouse=' . ttymouse_val
+    exe 'set ttymouse=' .. ttymouse_val
 
     " Split horizontally and test dragging the horizontal window separator.
     split
@@ -227,7 +274,7 @@
 
   for ttymouse_val in ['xterm2', 'sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    exe 'set ttymouse=' . ttymouse_val
+    exe 'set ttymouse=' .. ttymouse_val
 
     call assert_equal(1, &cmdheight, msg)
     let rowstatusline = winheight(0) + 1
@@ -268,7 +315,7 @@
 
   for ttymouse_val in ['xterm2', 'sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    exe 'set ttymouse=' . ttymouse_val
+    exe 'set ttymouse=' .. ttymouse_val
     e Xfoo
     tabnew Xbar
 
@@ -320,7 +367,7 @@
       continue
     endif
     let msg = 'ttymouse=' .. ttymouse_val
-    exe 'set ttymouse=' . ttymouse_val
+    exe 'set ttymouse=' .. ttymouse_val
     e Xtab1
     tabnew Xtab2
     tabnew Xtab3
@@ -362,7 +409,7 @@
 
   for ttymouse_val in ['xterm2', 'sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    exe 'set ttymouse=' . ttymouse_val
+    exe 'set ttymouse=' .. ttymouse_val
     e Xtab1
     tabnew Xtab2
 
@@ -411,7 +458,7 @@
 
   for ttymouse_val in ['xterm2', 'sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    exe 'set ttymouse=' . ttymouse_val
+    exe 'set ttymouse=' .. ttymouse_val
     e Xtab1
     tabnew Xtab2
 
diff --git a/src/version.c b/src/version.c
index 7de32ae..30b94f3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -768,6 +768,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1244,
+/**/
     1243,
 /**/
     1242,