From 8b3cc23130279b2e2e4bf3cc6cc991172c0a1962 Mon Sep 17 00:00:00 2001
From: gingkapls <73906888+gingkapls@users.noreply.github.com>
Date: Sat, 12 Dec 2020 01:35:51 +0530
Subject: [PATCH 1/4] Set dim bg to 0 to allow transparency

---
 autoload/limelight.vim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/autoload/limelight.vim b/autoload/limelight.vim
index 0a4cd86..185c2d8 100644
--- a/autoload/limelight.vim
+++ b/autoload/limelight.vim
@@ -137,8 +137,8 @@ endfunction
 function! s:dim(coeff)
   let synid = synIDtrans(hlID('Normal'))
   let fg = synIDattr(synid, 'fg#')
-  let bg = synIDattr(synid, 'bg#')
-
+  let bg = 0
+  
   if has('gui_running') || has('termguicolors') && &termguicolors || has('nvim') && $NVIM_TUI_ENABLE_TRUE_COLOR
     if a:coeff < 0 && exists('g:limelight_conceal_guifg')
       let dim = g:limelight_conceal_guifg

From 70b1ad49dbe1985c41f5e80e2cafb4452ef9f0dc Mon Sep 17 00:00:00 2001
From: gingkapls <73906888+gingkapls@users.noreply.github.com>
Date: Fri, 11 Jun 2021 12:05:44 +0530
Subject: [PATCH 2/4] Added checks for non-transparent themes

Now both transparent and non-transparent themes work properly
---
 autoload/limelight.vim | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/autoload/limelight.vim b/autoload/limelight.vim
index 185c2d8..7388c49 100644
--- a/autoload/limelight.vim
+++ b/autoload/limelight.vim
@@ -137,7 +137,11 @@ endfunction
 function! s:dim(coeff)
   let synid = synIDtrans(hlID('Normal'))
   let fg = synIDattr(synid, 'fg#')
-  let bg = 0
+  if synIDattr(synid, 'bg#') == 'none'
+    let bg = 0
+  else
+    let bg = synIDattr(synid, 'bg#')
+  endif
   
   if has('gui_running') || has('termguicolors') && &termguicolors || has('nvim') && $NVIM_TUI_ENABLE_TRUE_COLOR
     if a:coeff < 0 && exists('g:limelight_conceal_guifg')

From cebb72375345bf18df4e622bdac24991f9500665 Mon Sep 17 00:00:00 2001
From: gingkapls <73906888+gingkapls@users.noreply.github.com>
Date: Wed, 16 Mar 2022 16:59:01 +0530
Subject: [PATCH 3/4] Remove redundant synIDattr calls

Commits changes requested in https://github.com/junegunn/limelight.vim/pull/71#discussion_r826716708
---
 autoload/limelight.vim | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/autoload/limelight.vim b/autoload/limelight.vim
index 7388c49..70ce19c 100644
--- a/autoload/limelight.vim
+++ b/autoload/limelight.vim
@@ -137,11 +137,8 @@ endfunction
 function! s:dim(coeff)
   let synid = synIDtrans(hlID('Normal'))
   let fg = synIDattr(synid, 'fg#')
-  if synIDattr(synid, 'bg#') == 'none'
-    let bg = 0
-  else
-    let bg = synIDattr(synid, 'bg#')
-  endif
+  let bg = synIDattr(synid, 'bg#')
+  let bg = bg == 'none' ? 0 : bg
   
   if has('gui_running') || has('termguicolors') && &termguicolors || has('nvim') && $NVIM_TUI_ENABLE_TRUE_COLOR
     if a:coeff < 0 && exists('g:limelight_conceal_guifg')

From 432fceabe5443a202917f73f4f67aa22d53808d5 Mon Sep 17 00:00:00 2001
From: gingkapls <73906888+gingkapls@users.noreply.github.com>
Date: Thu, 17 Mar 2022 11:49:32 +0530
Subject: [PATCH 4/4] Fix the logic

Fixes calculating the bg for `Normal` highlight group depending on the ctermbg value
---
 autoload/limelight.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/autoload/limelight.vim b/autoload/limelight.vim
index 70ce19c..3940770 100644
--- a/autoload/limelight.vim
+++ b/autoload/limelight.vim
@@ -138,7 +138,7 @@ function! s:dim(coeff)
   let synid = synIDtrans(hlID('Normal'))
   let fg = synIDattr(synid, 'fg#')
   let bg = synIDattr(synid, 'bg#')
-  let bg = bg == 'none' ? 0 : bg
+  let bg = bg == 'none' ? bg : 0
   
   if has('gui_running') || has('termguicolors') && &termguicolors || has('nvim') && $NVIM_TUI_ENABLE_TRUE_COLOR
     if a:coeff < 0 && exists('g:limelight_conceal_guifg')