Update runtime files
diff --git a/runtime/doc/textprop.txt b/runtime/doc/textprop.txt
index 086742a..c6178c3 100644
--- a/runtime/doc/textprop.txt
+++ b/runtime/doc/textprop.txt
@@ -1,4 +1,4 @@
-*textprop.txt* For Vim version 9.0. Last change: 2022 Nov 18
+*textprop.txt* For Vim version 9.0. Last change: 2022 Dec 19
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -220,10 +220,16 @@
Any Tab and other control character in the text will be
changed to a space (Rationale: otherwise the size of the text
is difficult to compute).
- A negative "id" will be chosen and is returned. Once a
- property with "text" has been added for a buffer then using a
- negative "id" for any other property will give an error:
- *E1293*
+ A negative "id" will be chosen and is returned.
+
+ Before text properties with text were supported it was
+ possible to use a negative "id", even though this was very
+ rare. Now that negative "id"s are reserved for text
+ properties with text an error is given when using a negative
+ "id". When a text property with text already exists using a
+ negative "id" results in *E1293* . If a negative "id" was
+ used and later a text property with text is added results in
+ *E1339* .
Can also be used as a |method|: >
GetLnum()->prop_add(col, props)