runtime(doc): document vim syntax switches
related: #16727
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index c4d7afc..8115371 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt* For Vim version 9.1. Last change: 2025 Feb 25
+*syntax.txt* For Vim version 9.1. Last change: 2025 Mar 10
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -4017,7 +4017,29 @@
let g:vimsyn_noerror = 1
<
+To suppress only specific errors, define the following variables: >
+ g:vimsyn_nobehaveerror = 1 " :behave error
+ g:vimsyn_vimFTError = 1 " :filetype error
+ g:vimsyn_noaugrouperror = 1 " :augroup error
+ g:vimsyn_noopererror = 1 " operator error
+ g:vimsyn_notypealiaserror = 1 " Vim9 type alias error
+ g:vimsyn_novimfunctionerror = 1 " Vim9 method error
+ g:vimsyn_nousercmderror = 1 " :com error
+ g:vimsyn_novimsynerror = 1 " :syn error
+ g:vimsyn_novimsyncaseerror = 1 " :syn case error
+ g:vimsyn_novimsynconcealerror = 1 " :syn conceal error
+ g:vimsyn_novimsynfoldlevelerror = 1 " :syn foldlevel error
+ g:vimsyn_novimsynspellerror = 1 " :syn spell error
+ g:vimsyn_novimsyncerror = 1 " :syn sync error
+ g:vimsyn_novimhictermerror = 1 " :hi error
+ g:vimsyn_vimhikeyerror = 1 " :hi key=arg error
+<
+To force highlighting of Neovim specific Vim script elements (even if not
+using Neovim), set >
+
+ let g:vimsyn_vim_features = ['nvim']
+<
WDL *wdl.vim* *wdl-syntax*