runtime(doc): clarify when text properties are cleared

related: #15030

Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/doc/builtin.txt

@@ -1,4 +1,4 @@
-*builtin.txt*	For Vim version 9.1.  Last change: 2024 Jun 14
+*builtin.txt*	For Vim version 9.1.  Last change: 2024 Jun 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -9485,7 +9485,8 @@ setfperm({fname}, {mode})				*setfperm()* *chmod*
 setline({lnum}, {text})					*setline()*
 		Set line {lnum} of the current buffer to {text}.  To insert
 		lines use |append()|. To set lines in another buffer use
-		|setbufline()|.  Any text properties in {lnum} are cleared.
+		|setbufline()|.
+		Any text properties in {lnum} are cleared |text-prop-cleared|.
 
 		{lnum} is used like with |getline()|.
 		When {lnum} is just below the last line the {text} will be

runtime/doc/change.txt

@@ -1413,6 +1413,8 @@ The next three commands always work on whole lines.
 :[range]m[ove] {address}			*:m* *:mo* *:move* *E134*
 			Move the lines given by [range] to below the line
 			given by {address}.
+			Any text properties in [range] are cleared
+			|text-prop-cleared|.
 
 ==============================================================================
 6. Formatting text					*formatting*

runtime/doc/tags

@@ -10698,6 +10698,7 @@ text-functions	usr_41.txt	/*text-functions*
 text-objects	motion.txt	/*text-objects*
 text-objects-changed	version5.txt	/*text-objects-changed*
 text-prop-changes	textprop.txt	/*text-prop-changes*
+text-prop-cleared	textprop.txt	/*text-prop-cleared*
 text-prop-functions	textprop.txt	/*text-prop-functions*
 text-prop-functions-details	textprop.txt	/*text-prop-functions-details*
 text-prop-intro	textprop.txt	/*text-prop-intro*

runtime/doc/textprop.txt

@@ -530,7 +530,7 @@ callback update spelling mistakes in the changed text.  Vim will move the
 properties below the changed text, so that they still highlight the same text,
 thus you don't need to update these.
 
-
+							*text-prop-cleared*
 Text property columns are not updated or copied: ~
 
 - When setting the line with |setline()| or through an interface, such as Lua,