runtime(vim): Update base-syntax, match empty blob and :abclear modifiers (#14318)

- Match empty blob literals.
- Match modifier arguments to :abclear commands.

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/generator/vim.vim.base b/runtime/syntax/generator/vim.vim.base
index 8f0f05e..25c67ec 100644
--- a/runtime/syntax/generator/vim.vim.base
+++ b/runtime/syntax/generator/vim.vim.base
@@ -1,12 +1,10 @@
 " Vim syntax file
-" Language:	Vim script
-" Maintainer:	Hirohito Higashi <h.east.727 ATMARK gmail.com>
-" 	Doug Kearns <dougkearns@gmail.com>
-" URL:	https://github.com/vim-jp/syntax-vim-ex
-" Last Change:	2024 Mar 22
+" Language:	   Vim script
+" Maintainer:	   Hirohito Higashi <h.east.727 ATMARK gmail.com>
+"	   Doug Kearns <dougkearns@gmail.com>
+" URL:	   https://github.com/vim-jp/syntax-vim-ex
+" Last Change:	   2024 Mar 28
 " Former Maintainer: Charles E. Campbell
-" Base File URL:     http://www.drchip.org/astronaut/vim/index.html#SYNTAX_VIM
-" Base File Version: 9.0-25
 
 " DO NOT CHANGE DIRECTLY.
 " THIS FILE PARTLY GENERATED BY gen_syntax_vim.vim.
@@ -162,6 +160,7 @@
 syn match	vimNumber	'\<0b[01]\+'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
 syn match	vimNumber	'\<0o\=\o\+'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
 syn match	vimNumber	'\<0x\x\+'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
+syn match	vimNumber	'\<0z\>'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
 syn match	vimNumber	'\<0z\%(\x\x\)\+\%(\.\%(\x\x\)\+\)*'	skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
 syn match	vimNumber	'\%(^\|\A\)\zs#\x\{6}'		skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
 syn case match
@@ -476,6 +475,7 @@
 " Abbreviations: {{{2
 " =============
 " GEN_SYN_VIM: vimCommand abbrev, START_STR='syn keyword vimAbb', END_STR='skipwhite nextgroup=vimMapMod,vimMapLhs'
+" GEN_SYN_VIM: vimCommand abclear, START_STR='syn keyword vimAbb', END_STR='skipwhite nextgroup=vimMapMod'
 
 " Autocmd: {{{2
 " =======