Update runtime files
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index e0919b8..9e9a0f1 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt* For Vim version 8.2. Last change: 2022 Apr 24
+*syntax.txt* For Vim version 8.2. Last change: 2022 May 06
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -5238,6 +5238,9 @@
'highlight' option default. Note that the highlighting depends on the value
of 'background'. You can see the current settings with the ":highlight"
command.
+When possible the name is highlighted in the used colors. If this makes it
+unreadable use Visual selection.
+
*hl-ColorColumn*
ColorColumn used for the columns set with 'colorcolumn'
*hl-Conceal*
@@ -5329,6 +5332,8 @@
Also used for similar items that need to stand out.
*hl-CurSearch*
CurSearch Current match for the last search pattern (see 'hlsearch').
+ Note: this is correct after a search, but may get outdated if
+ changes are made or the screen is redrawn.
*hl-SpecialKey*
SpecialKey Meta and special keys listed with ":map", also for text used
to show unprintable characters in the text, 'listchars'.