diff --git a/runtime/indent/livebook.vim b/runtime/indent/livebook.vim
new file mode 100644
index 0000000..6311050
--- /dev/null
+++ b/runtime/indent/livebook.vim
@@ -0,0 +1,9 @@
+" Placeholder livebook indent file.
+" This simply uses the markdown indenting.
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+  finish
+endif
+
+runtime! indent/markdown.vim
diff --git a/runtime/indent/r.vim b/runtime/indent/r.vim
index 293dd98..07dfd13 100644
--- a/runtime/indent/r.vim
+++ b/runtime/indent/r.vim
@@ -2,7 +2,7 @@
 " Language:	R
 " Author:	Jakson Alves de Aquino <jalvesaq@gmail.com>
 " Homepage:     https://github.com/jalvesaq/R-Vim-runtime
-" Last Change:	Wed Oct 26, 2022  12:04PM
+" Last Change:	Mon Feb 27, 2023  07:16PM
 
 
 " Only load this indent file when no other was loaded.
@@ -110,7 +110,7 @@
   return line1
 endfunction
 
-function! s:Get_paren_balance(line, o, c)
+function s:Get_paren_balance(line, o, c)
   let line2 = substitute(a:line, a:o, "", "g")
   let openp = strlen(a:line) - strlen(line2)
   let line3 = substitute(line2, a:c, "", "g")
@@ -118,7 +118,7 @@
   return openp - closep
 endfunction
 
-function! s:Get_matching_brace(linenr, o, c, delbrace)
+function s:Get_matching_brace(linenr, o, c, delbrace)
   let line = SanitizeRLine(getline(a:linenr))
   if a:delbrace == 1
     let line = substitute(line, '{$', "", "")
@@ -134,7 +134,7 @@
 
 " This function is buggy because there 'if's without 'else'
 " It must be rewritten relying more on indentation
-function! s:Get_matching_if(linenr, delif)
+function s:Get_matching_if(linenr, delif)
   let line = SanitizeRLine(getline(a:linenr))
   if a:delif
     let line = substitute(line, "if", "", "g")
@@ -162,7 +162,7 @@
   endif
 endfunction
 
-function! s:Get_last_paren_idx(line, o, c, pb)
+function s:Get_last_paren_idx(line, o, c, pb)
   let blc = a:pb
   let line = substitute(a:line, '\t', s:curtabstop, "g")
   let theidx = -1
diff --git a/runtime/indent/rhelp.vim b/runtime/indent/rhelp.vim
index f68c090..334802a 100644
--- a/runtime/indent/rhelp.vim
+++ b/runtime/indent/rhelp.vim
@@ -2,7 +2,7 @@
 " Language:	R Documentation (Help), *.Rd
 " Author:	Jakson Alves de Aquino <jalvesaq@gmail.com>
 " Homepage:     https://github.com/jalvesaq/R-Vim-runtime
-" Last Change:	Feb 25, 2023
+" Last Change:	Mon Feb 27, 2023  07:01PM
 
 
 " Only load this indent file when no other was loaded.
@@ -20,7 +20,7 @@
 setlocal indentkeys=0{,0},:,!^F,o,O,e
 setlocal indentexpr=GetCorrectRHelpIndent()
 
-let b:undo_indent = "setl ai< cin< inde< indk< <lisp <si"
+let b:undo_indent = "setl ai< cin< inde< indk< lisp< si<"
 
 " Only define the functions once.
 if exists("*GetRHelpIndent")
diff --git a/runtime/indent/rnoweb.vim b/runtime/indent/rnoweb.vim
index 33bc103..668cdb7 100644
--- a/runtime/indent/rnoweb.vim
+++ b/runtime/indent/rnoweb.vim
@@ -2,7 +2,7 @@
 " Language:	Rnoweb
 " Author:	Jakson Alves de Aquino <jalvesaq@gmail.com>
 " Homepage:     https://github.com/jalvesaq/R-Vim-runtime
-" Last Change:	Feb 25, 2023
+" Last Change:	Mon Feb 27, 2023  07:17PM
 
 
 " Only load this indent file when no other was loaded.
@@ -11,7 +11,7 @@
 endif
 runtime indent/tex.vim
 
-function! s:NoTeXIndent()
+function s:NoTeXIndent()
   return indent(line("."))
 endfunction