diff --git a/runtime/indent/hamster.vim b/runtime/indent/hamster.vim
index b27a173..ae5c3fd 100644
--- a/runtime/indent/hamster.vim
+++ b/runtime/indent/hamster.vim
@@ -1,8 +1,14 @@
 " Vim indent file
 " Language:    Hamster Script 
-" Version:     2.0.6.0
-" Last Change: Wed Nov 08 2006 12:02:42 PM
-" Maintainer:  David Fishburn <fishburn@ianywhere.com>
+" Version:     2.0.6.1
+" Last Change: 2021 Oct 11
+" Maintainer:  David Fishburn <dfishburn dot vim at gmail dot com>
+" Download: https://www.vim.org/scripts/script.php?script_id=1099
+"
+"    2.0.6.1 (Oct 2021)
+"        Added b:undo_indent
+"        Added cpo check
+"
 
 " Only load this indent file when no other was loaded.
 if exists("b:did_indent")
@@ -14,12 +20,17 @@
 setlocal indentkeys+==~do,=~until,=~while,=~repeat,=~for,=~loop
 setlocal indentkeys+==~sub,=~endsub
 
+let b:undo_indent = "setl indentkeys<"
+
 " Define the appropriate indent function but only once
 setlocal indentexpr=HamGetFreeIndent()
 if exists("*HamGetFreeIndent")
   finish
 endif
 
+let s:keepcpo = &cpo
+set cpo&vim
+
 function HamGetIndent(lnum)
   let ind = indent(a:lnum)
   let prevline=getline(a:lnum)
@@ -52,4 +63,8 @@
   return ind
 endfunction
 
+" Restore:
+let &cpo = s:keepcpo
+unlet s:keepcpo
+
 " vim:sw=2 tw=80
diff --git a/runtime/indent/sqlanywhere.vim b/runtime/indent/sqlanywhere.vim
index d39fa32..4772b59 100644
--- a/runtime/indent/sqlanywhere.vim
+++ b/runtime/indent/sqlanywhere.vim
@@ -1,9 +1,8 @@
 " Vim indent file
 " Language:    SQL
 " Maintainer:  David Fishburn <dfishburn dot vim at gmail dot com>
-" Last Change By Maintainer: 2017 Jun 13
-" Last Change: by Stephen Wall, #5578, 2020 Jun 07
-" Version:     3.0
+" Last Change: 2021 Oct 11
+" Version:     4.0
 " Download:    http://vim.sourceforge.net/script.php?script_id=495
 
 " Notes:
@@ -21,6 +20,9 @@
 "    it, this can leave the indent hanging to the right one too many.
 "
 " History:
+"    4.0 (Oct 2021)
+"        Added b:undo_indent
+"
 "    3.0 (Dec 2012)
 "        Added cpo check
 "
@@ -56,10 +58,13 @@
 " in the indentkeys is typed
 setlocal indentexpr=GetSQLIndent()
 
+let b:undo_indent = "setl indentexpr< indentkeys<"
+
 " Only define the functions once.
 if exists("*GetSQLIndent")
     finish
 endif
+
 let s:keepcpo= &cpo
 set cpo&vim
 
@@ -68,14 +73,9 @@
 " IS is excluded, since it is difficult to determine when the
 " ending block is (especially for procedures/functions).
 let s:SQLBlockStart = '^\s*\%('.
-                \ 'if\>.*\<then\|'.
-                \ 'then\|else\>\|'.
-                \ 'elseif\>.*\<then\|'.
-                \ 'elsif\>.(\<then\|'.
-                \ 'while\>.*\<loop\|'.
-                \ 'for\>.*\<loop\|'.
-                \ 'foreach\>.*\<loop\|'. 
-                \ 'loop\|do\|declare\|begin\|'.
+                \ 'if\|else\|elseif\|elsif\|'.
+                \ 'while\|loop\|do\|for\|'.
+                \ 'begin\|'.
                 \ 'case\|when\|merge\|exception'.
                 \ '\)\>'
 let s:SQLBlockEnd = '^\s*\(end\)\>'
diff --git a/runtime/indent/tcsh.vim b/runtime/indent/tcsh.vim
index 025d9c8..93d96e7 100644
--- a/runtime/indent/tcsh.vim
+++ b/runtime/indent/tcsh.vim
@@ -1,7 +1,8 @@
 " Vim indent file
 " Language:		C-shell (tcsh)
-" Maintainer:		Doug Kearns <a@b.com> where a=dougkearns, b=gmail
-" Last Modified:	Sun 26 Sep 2021 12:38:38 PM EDT
+" Maintainer:		Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainer:	Gautam Iyer <gi1242+vim@NoSpam.com> where NoSpam=gmail (Original Author)
+" Last Change:		2021 Oct 15
 
 " Only load this indent file when no other was loaded.
 if exists("b:did_indent")
@@ -11,7 +12,9 @@
 let b:did_indent = 1
 
 setlocal indentexpr=TcshGetIndent()
-setlocal indentkeys+=e,0=end,0=endsw indentkeys-=0{,0},0),:,0#
+setlocal indentkeys+=e,0=end
+setlocal indentkeys-=0{,0},0),:,0#
+
 let b:undo_indent = "setl inde< indk<"
 
 " Only define the function once.
@@ -40,9 +43,9 @@
 	let ind = ind - shiftwidth()
     endif
 
-    " Subtract indent if current line has on end, endif, case commands
+    " Subtract indent if current line has on end, endif, endsw, case commands
     let line = getline(v:lnum)
-    if line =~ '\v^\s*%(else|end|endif)\s*$'
+    if line =~ '\v^\s*%(else|end|endif|endsw)\s*$'
 	let ind = ind - shiftwidth()
     endif