Update runtime files
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 401f055..e5f9b46 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 8.2.  Last change: 2021 Jun 23
+*eval.txt*	For Vim version 8.2.  Last change: 2021 Jul 01
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1588,7 +1588,17 @@
 	Handler called
 	Handler called
 
-Note how execute() is used to execute an Ex command.  That's ugly though.
+Note that it is possible to cause memory to be used and not freed if the
+closure is referenced by the context it depends on: >
+	function Function()
+	   let x = 0
+	   let F = {-> x}
+	 endfunction
+The closure uses "x" from the function scope, and "F" in that same scope
+refers to the closure.  This cycle results in the memory not being freed.
+Recommendation: don't do this.
+
+Notice how execute() is used to execute an Ex command.  That's ugly though.
 In Vim9 script you can use a command block, see |inline-function|.
 
 Lambda expressions have internal names like '<lambda>42'.  If you get an error
@@ -1963,7 +1973,8 @@
 		Vim behaves like it is empty, there is no warning message.
 
 					*v:fname* *fname-variable*
-v:fname		The file name set by 'includeexpr'.  Empty otherwise.
+v:fname		When evaluating 'includeexpr': the file name that was
+		detected.  Empty otherwise.
 
 					*v:fname_in* *fname_in-variable*
 v:fname_in	The name of the input file.  Valid while evaluating:
@@ -5803,7 +5814,7 @@
 		are zero.
 
 		When the position is after the text then "column" is the
-		length of the text in bytes.
+		length of the text in bytes plus one.
 
 		If the mouse is over a popup window then that window is used.
 
@@ -8921,6 +8932,10 @@
 		The "curscol" value is where the cursor would be placed.  For
 		a Tab it would be the same as "endcol", while for a double
 		width character it would be the same as "col".
+		The |conceal| feature is ignored here, the column numbers are
+		as if 'conceallevel' is zero.  You can set the cursor to the
+		right position and use |screencol()| to get the value with
+		|conceal| taken into account.
 
 		Can also be used as a |method|: >
 			GetWinid()->screenpos(lnum, col)
@@ -11892,6 +11907,7 @@
 digraphs		Compiled with support for digraphs.
 directx			Compiled with support for DirectX and 'renderoptions'.
 dnd			Compiled with support for the "~ register |quote_~|.
+drop_file		Compiled with |drop_file| support.
 ebcdic			Compiled on a machine with ebcdic character set.
 emacs_tags		Compiled with support for Emacs tags.
 eval			Compiled with expression evaluation support.  Always