Update

17 files changed, 370 insertions, 109 deletions

diff --git a/README.md b/README.md
index 058b38dd..acbb71ea 100644
--- a/README.md
+++ b/README.md
@@ -194,7 +194,7 @@ If you need full functionality of any plugin, please use it directly with your p
 - [yaml](https://github.com/stephpy/vim-yaml) (syntax, ftplugin)
 - [yard](https://github.com/sheerun/vim-yardoc) (syntax)
 - [zephir](https://github.com/xwsoul/vim-zephir) (syntax)
-- [zig](https://github.com/ziglang/zig.vim) (syntax, autoload, ftplugin)
+- [zig](https://github.com/ziglang/zig.vim) (syntax, indent, autoload, ftplugin)
 - [zinit](https://github.com/zinit-zsh/zplugin-vim-syntax) (syntax)
 <!--/Language Packs-->
 
diff --git a/after/syntax/jsx_pretty.vim b/after/syntax/jsx_pretty.vim
index b2cf858a..d0c2644d 100644
--- a/after/syntax/jsx_pretty.vim
+++ b/after/syntax/jsx_pretty.vim
@@ -4,7 +4,7 @@ let s:highlight_close_tag = get(g:, 'vim_jsx_pretty_highlight_close_tag', 0)
 
 " detect jsx region
 syntax region jsxRegion
-      \ start=+\%(\%(\_[([,?:=+\-*/>{}]\|<\s\+\|&&\|||\|=>\|\<return\|\<default\|\<await\|\<yield\)\_s*\)\@<=<\_s*\%(>\|\z(\%(script\|T\s*>\s*(\)\@!\<[_$A-Za-z][-:._$A-Za-z0-9]*\>\)\%(\_s*\%([-+*)\]}&|?,]\|/\%([/*]\|\_s*>\)\@!\)\)\@!\)+
+      \ start=+\%(\%(\_[([,?:=+\-*/>{}]\|<\s\+\|&&\|||\|=>\|\<return\|\<default\|\<await\|\<yield\)\_s*\)\@<=<\_s*\%(>\|\z(\%(script\|\s*\<T\>\)\@!\<[_$A-Za-z][-:._$A-Za-z0-9]*\>\)\%(\_s*\%([-+*)\]}&|?,]\|/\%([/*]\|\_s*>\)\@!\)\)\@!\)+
       \ end=++
       \ contains=jsxElement
 
diff --git a/autoload/csv.vim b/autoload/csv.vim
index a86e0b2d..2adcf1bb 100644
--- a/autoload/csv.vim
+++ b/autoload/csv.vim
@@ -1507,10 +1507,10 @@ fu! csv#AvgColumn(list) "{{{3
         endfor
         if has("float")
             let b:csv_result = printf("%.2f", sum/cnt)
-            return b:csv_result
+            return str2float(b:csv_result)
         else
             let b:csv_result = printf("%s", sum/cnt)
-            return sum/cnt
+            return b:csv_result + 0
         endif
     endif
 endfu
@@ -1543,7 +1543,7 @@ fu! csv#VarianceColumn(list, is_population) "{{{3
             let cnt = cnt-1
         endif
         if has("float")
-            let b:csv_result = printf("%.2f", sum/cnt)
+            let b:csv_result = printf("%." . get(b:, 'csv_accuracy', get(g:, 'csv_accuracy', 2)) . "f", sum/cnt)
             return b:csv_result
         else
             let b:csv_result = printf("%s", sum/cnt)
@@ -2263,7 +2263,7 @@ fu! csv#CommandDefinitions() "{{{3
         \ ':echo csv#EvalColumn(<q-args>, "csv#SmplStdDevColumn", <line1>,<line2>)',
         \ '-nargs=? -range=% -complete=custom,csv#SortComplete')
     call csv#LocalCmd("PopStdCol",
-        \ ':echo csv#EvalColumn(<q-args>, "csv#SmplStdDevColumn", <line1>,<line2>)',
+        \ ':echo csv#EvalColumn(<q-args>, "csv#PopStdDevColumn", <line1>,<line2>)',
         \ '-nargs=? -range=% -complete=custom,csv#SortComplete')
     call csv#LocalCmd("UnArrangeColumn",
         \':call csv#PrepUnArrangeCol(<line1>, <line2>)',
diff --git a/autoload/go/config.vim b/autoload/go/config.vim
index 62b86372..3030a7c6 100644
--- a/autoload/go/config.vim
+++ b/autoload/go/config.vim
@@ -371,7 +371,7 @@ function! go#config#RenameCommand() abort
 endfunction
 
 function! go#config#GorenameBin() abort
-  return get(g:, "go_gorename_bin", "gorename")
+  return get(g:, "go_gorename_bin", "gopls")
 endfunction
 
 function! go#config#GorenamePrefill() abort
diff --git a/ftplugin/mail_vifm.vim b/ftplugin/mail_vifm.vim
index c9849fbc..4896b892 100644
--- a/ftplugin/mail_vifm.vim
+++ b/ftplugin/mail_vifm.vim
@@ -2,7 +2,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vifm') == -1
 
 " Mail file type extension to pick files for attachments via vifm
 " Maintainer:  xaizek <xaizek@posteo.net>
-" Last Change: January 02, 2018
+" Last Change: June 22, 2020
 
 " Insert attachment picked via vifm after 'Subject' header
 function! s:AddMailAttachments()
@@ -43,9 +43,7 @@ endfunction
 
 function! s:HandleRunResults(exitcode, listf)
 	if a:exitcode != 0
-		echohl WarningMsg
-		echo 'Got non-zero code from vifm: ' . a:exitcode
-		echohl None
+		echoerr 'Got non-zero code from vifm: ' . a:exitcode
 		call delete(a:listf)
 		return
 	endif
diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim
index 43c9773a..1c4268be 100644
--- a/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@ -156,6 +156,58 @@ function! s:GetHeaderLevel(...)
     endif
 endfunction
 
+" Return list of headers and their levels.
+"
+function! s:GetHeaderList()
+    let l:bufnr = bufnr('%')
+    let l:fenced_block = 0
+    let l:front_matter = 0
+    let l:header_list = []
+    let l:vim_markdown_frontmatter = get(g:, "vim_markdown_frontmatter", 0)
+    for i in range(1, line('$'))
+        let l:lineraw = getline(i)
+        let l:l1 = getline(i+1)
+        let l:line = substitute(l:lineraw, "#", "\\\#", "g")
+        " exclude lines in fenced code blocks
+        if l:line =~ '````*' || l:line =~ '\~\~\~\~*'
+            if l:fenced_block == 0
+                let l:fenced_block = 1
+            elseif l:fenced_block == 1
+                let l:fenced_block = 0
+            endif
+        " exclude lines in frontmatters
+        elseif l:vim_markdown_frontmatter == 1
+            if l:front_matter == 1
+                if l:line == '---'
+                    let l:front_matter = 0
+                endif
+            elseif i == 1
+                if l:line == '---'
+                    let l:front_matter = 1
+                endif
+            endif
+        endif
+        " match line against header regex
+        if join(getline(i, i + 1), "\n") =~ s:headersRegexp && l:line =~ '^\S'
+            let l:is_header = 1
+        else
+            let l:is_header = 0
+        endif
+        if l:is_header == 1 && l:fenced_block == 0 && l:front_matter == 0
+            " remove hashes from atx headers
+            if match(l:line, "^#") > -1
+                let l:line = substitute(l:line, '\v^#*[ ]*', '', '')
+                let l:line = substitute(l:line, '\v[ ]*#*$', '', '')
+            endif
+            " append line to list
+            let l:level = s:GetHeaderLevel(i)
+            let l:item = {'level': l:level, 'text': l:line, 'lnum': i, 'bufnr': bufnr}
+            let l:header_list = l:header_list + [l:item]
+        endif
+    endfor
+    return l:header_list
+endfunction
+
 " Returns the level of the header at the given line.
 "
 " If there is no header at the given line, returns `0`.
@@ -177,6 +229,7 @@ endfunction
 function! s:MoveToParentHeader()
     let l:linenum = s:GetParentHeaderLineNumber()
     if l:linenum != 0
+        call setpos("''", getpos('.'))
         call cursor(l:linenum, 1)
     else
         echo 'no parent header'
@@ -305,65 +358,38 @@ function! s:Toc(...)
     endif
 
 
-    let l:bufnr = bufnr('%')
     let l:cursor_line = line('.')
     let l:cursor_header = 0
-    let l:fenced_block = 0
-    let l:front_matter = 0
-    let l:header_list = []
+    let l:header_list = s:GetHeaderList()
+    let l:indented_header_list = []
+    if len(l:header_list) == 0
+        echom "Toc: No headers."
+        return
+    endif
     let l:header_max_len = 0
     let l:vim_markdown_toc_autofit = get(g:, "vim_markdown_toc_autofit", 0)
-    let l:vim_markdown_frontmatter = get(g:, "vim_markdown_frontmatter", 0)
-    for i in range(1, line('$'))
-        let l:lineraw = getline(i)
-        let l:l1 = getline(i+1)
-        let l:line = substitute(l:lineraw, "#", "\\\#", "g")
-        if l:line =~ '````*' || l:line =~ '\~\~\~\~*'
-            if l:fenced_block == 0
-                let l:fenced_block = 1
-            elseif l:fenced_block == 1
-                let l:fenced_block = 0
-            endif
-        elseif l:vim_markdown_frontmatter == 1
-            if l:front_matter == 1
-                if l:line == '---'
-                    let l:front_matter = 0
-                endif
-            elseif i == 1
-                if l:line == '---'
-                    let l:front_matter = 1
-                endif
+    for h in l:header_list
+        " set header number of the cursor position
+        if l:cursor_header == 0
+            let l:header_line = h.lnum
+            if l:header_line == l:cursor_line
+                let l:cursor_header = index(l:header_list, h) + 1
+            elseif l:header_line > l:cursor_line
+                let l:cursor_header = index(l:header_list, h)
             endif
         endif
-        if l:line =~ '^#\+' || (l:l1 =~ '^=\+\s*$' || l:l1 =~ '^-\+\s*$') && l:line =~ '^\S'
-            let l:is_header = 1
-        else
-            let l:is_header = 0
-        endif
-        if l:is_header == 1 && l:fenced_block == 0 && l:front_matter == 0
-            " append line to location list
-            let l:item = {'lnum': i, 'text': l:line, 'valid': 1, 'bufnr': l:bufnr, 'col': 1}
-            let l:header_list = l:header_list + [l:item]
-            " set header number of the cursor position
-            if l:cursor_header == 0
-                if i == l:cursor_line
-                    let l:cursor_header = len(l:header_list)
-                elseif i > l:cursor_line
-                    let l:cursor_header = len(l:header_list) - 1
-                endif
-            endif
-            " keep track of the longest header size (heading level + title)
-            let l:total_len = stridx(l:line, ' ') + strdisplaywidth(l:line)
-            if l:total_len > l:header_max_len
-                let l:header_max_len = l:total_len
-            endif
+        " indent header based on level
+        let l:text = repeat('  ', h.level-1) . h.text
+        " keep track of the longest header size (heading level + title)
+        let l:total_len = strdisplaywidth(l:text)
+        if l:total_len > l:header_max_len
+            let l:header_max_len = l:total_len
         endif
+        " append indented line to list
+        let l:item = {'lnum': h.lnum, 'text': l:text, 'valid': 1, 'bufnr': h.bufnr, 'col': 1}
+        let l:indented_header_list = l:indented_header_list + [l:item]
     endfor
-    call setloclist(0, l:header_list)
-    if len(l:header_list) == 0
-        echom "Toc: No headers."
-        return
-    endif
+    call setloclist(0, l:indented_header_list)
 
     if l:window_type ==# 'horizontal'
         lopen
@@ -371,7 +397,8 @@ function! s:Toc(...)
         vertical lopen
         " auto-fit toc window when possible to shrink it
         if (&columns/2) > l:header_max_len && l:vim_markdown_toc_autofit == 1
-            execute 'vertical resize ' . (l:header_max_len + 1)
+            " header_max_len + 1 space for first header + 3 spaces for line numbers
+            execute 'vertical resize ' . (l:header_max_len + 1 + 3)
         else
             execute 'vertical resize ' . (&columns/2)
         endif
@@ -384,27 +411,84 @@ function! s:Toc(...)
     for i in range(1, line('$'))
         " this is the location-list data for the current item
         let d = getloclist(0)[i-1]
-        " atx headers
-        if match(d.text, "^#") > -1
-            let l:level = len(matchstr(d.text, '#*', 'g'))-1
-            let d.text = substitute(d.text, '\v^#*[ ]*', '', '')
-            let d.text = substitute(d.text, '\v[ ]*#*$', '', '')
-        " setex headers
-        else
-            let l:next_line = getbufline(d.bufnr, d.lnum+1)
-            if match(l:next_line, "=") > -1
-                let l:level = 0
-            elseif match(l:next_line, "-") > -1
-                let l:level = 1
-            endif
-        endif
-        call setline(i, repeat('  ', l:level). d.text)
+        call setline(i, d.text)
     endfor
     setlocal nomodified
     setlocal nomodifiable
     execute 'normal! ' . l:cursor_header . 'G'
 endfunction
 
+function! s:InsertToc(format, ...)
+    if a:0 > 0
+        if type(a:1) != type(0)
+            echohl WarningMsg
+            echomsg '[vim-markdown] Invalid argument, must be an integer >= 2.'
+            echohl None
+            return
+        endif
+        let l:max_level = a:1
+        if l:max_level < 2
+            echohl WarningMsg
+            echomsg '[vim-markdown] Maximum level cannot be smaller than 2.'
+            echohl None
+            return
+        endif
+    else
+        let l:max_level = 0
+    endif
+
+    let l:toc = []
+    let l:header_list = s:GetHeaderList()
+    if len(l:header_list) == 0
+        echom "InsertToc: No headers."
+        return
+    endif
+
+    if a:format ==# 'numbers'
+        let l:h2_count = 0
+        for header in l:header_list
+            if header.level == 2
+                let l:h2_count += 1
+            endif
+        endfor
+        let l:max_h2_number_len = strlen(string(l:h2_count))
+    else
+        let l:max_h2_number_len = 0
+    endif
+
+    let l:h2_count = 0
+    for header in l:header_list
+        let l:level = header.level
+        if l:level == 1
+            " skip level-1 headers
+            continue
+        elseif l:max_level != 0 && l:level > l:max_level
+            " skip unwanted levels
+            continue
+        elseif l:level == 2
+            " list of level-2 headers can be bullets or numbers
+            if a:format ==# 'bullets'
+                let l:indent = ''
+                let l:marker = '* '
+            else
+                let l:h2_count += 1
+                let l:number_len = strlen(string(l:h2_count))
+                let l:indent = repeat(' ', l:max_h2_number_len - l:number_len)
+                let l:marker = l:h2_count . '. '
+            endif
+        else
+            let l:indent = repeat(' ', l:max_h2_number_len + 2 * (l:level - 2))
+            let l:marker = '* '
+        endif
+        let l:text = '[' . header.text . ']'
+        let l:link = '(#' . substitute(tolower(header.text), '\v[ ]+', '-', 'g') . ')'
+        let l:line = l:indent . l:marker . l:text . l:link
+        let l:toc = l:toc + [l:line]
+    endfor
+
+    call append(line('.'), l:toc)
+endfunction
+
 " Convert Setex headers in range `line1 .. line2` to Atx.
 "
 " Return the number of conversions.
@@ -681,6 +765,8 @@ command! -buffer Toc call s:Toc()
 command! -buffer Toch call s:Toc('horizontal')
 command! -buffer Tocv call s:Toc('vertical')
 command! -buffer Toct call s:Toc('tab')
+command! -buffer -nargs=? InsertToc call s:InsertToc('bullets', <args>)
+command! -buffer -nargs=? InsertNToc call s:InsertToc('numbers', <args>)
 
 " Heavily based on vim-notes - http://peterodding.com/code/vim/notes/
 if exists('g:vim_markdown_fenced_languages')
diff --git a/ftplugin/racket.vim b/ftplugin/racket.vim
index 89990061..1a3ba189 100644
--- a/ftplugin/racket.vim
+++ b/ftplugin/racket.vim
@@ -4,6 +4,11 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'racket') == -1
 " Maintainer:   Will Langstroth <will@langstroth.com>
 " URL:          http://github.com/wlangstroth/vim-racket
 
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
 setl iskeyword+=#,%,^
 setl lispwords+=module,module*,module+,parameterize,let-values,let*-values,letrec-values,local
 setl lispwords+=define-values,opt-lambda,case-lambda,syntax-rules,with-syntax,syntax-case,syntax-parse
@@ -37,7 +42,10 @@ setl makeprg=raco\ make\ --\ %
 " but then vim says:
 "    "press ENTER or type a command to continue"
 " We avoid the annoyance of having to hit enter by remapping K directly.
-nnoremap <buffer> K :silent !raco docs <cword><cr>:redraw!<cr>
+nnoremap <buffer> <Plug>RacketDoc :silent !raco docs <cword><cr>:redraw!<cr>
+if maparg("K", "n") == ""
+  nmap <buffer> K <Plug>RacketDoc
+endif
 
 " For the visual mode K mapping, it's slightly more convoluted to get the 
 " selected text:
@@ -53,9 +61,20 @@ function! s:Racket_visual_doc()
   endtry
 endfunction
 
-vnoremap <buffer> K :call <SID>Racket_visual_doc()<cr>
+vnoremap <buffer> <Plug>RacketDoc :call <SID>Racket_visual_doc()<cr>
+if maparg("K", "v") == ""
+  vmap <buffer> K <Plug>RacketDoc
+endif
 
 "setl commentstring=;;%s
 setl commentstring=#\|\ %s\ \|#
 
+" Undo our settings when the filetype changes away from Racket
+" (this should be amended if settings/mappings are added above!)
+let b:undo_ftplugin =
+      \  "setl iskeyword< lispwords< lisp< comments< formatoptions<"
+      \. "| setl makeprg< commentstring<"
+      \. "| nunmap <buffer> K"
+      \. "| vunmap <buffer> K"
+
 endif
diff --git a/ftplugin/zig.vim b/ftplugin/zig.vim
index 8e43f4fb..663ec875 100644
--- a/ftplugin/zig.vim
+++ b/ftplugin/zig.vim
@@ -16,4 +16,9 @@ setlocal suffixesadd=.zir
 setlocal commentstring=//\ %s
 setlocal makeprg=zig\ build
 
+if (has("comments"))
+    set comments=:///,://,:\\\\
+    set formatoptions=tcqor
+endif
+
 endif
diff --git a/indent/zig.vim b/indent/zig.vim
new file mode 100644
index 00000000..1fc11298
--- /dev/null
+++ b/indent/zig.vim
@@ -0,0 +1,80 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'zig') == -1
+
+" indent/zig.vim
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+    finish
+endif
+let b:did_indent = 1
+
+if (!has("cindent") || !has("eval"))
+    finish
+endif
+
+setlocal cindent
+
+" L0 -> 0 indent for jump labels (i.e. case statement in c).
+" j1 -> indenting for "javascript object declarations"
+" J1 -> see j1
+" w1 -> starting a new line with `(` at the same indent as `(`
+" m1 -> if `)` starts a line, match its indent with the first char of its
+"       matching `(` line
+" (s -> use one indent, when starting a new line after a trailing `(`
+setlocal cinoptions=L0,m1,(s,j1,J1,l1
+
+" cinkeys: controls what keys trigger indent formatting
+" 0{ -> {
+" 0} -> }
+" 0) -> )
+" 0] -> ]
+" !^F -> make CTRL-F (^F) reindent the current line when typed
+" o -> when <CR> or `o` is used
+" O -> when the `O` command is used
+setlocal cinkeys=0{,0},0),0],!^F,o,O
+
+setlocal indentexpr=GetZigIndent(v:lnum)
+
+function! GetZigIndent(lnum)
+    let curretLineNum = a:lnum
+    let currentLine = getline(a:lnum)
+
+    " cindent doesn't handle multi-line strings properly, so force no indent
+    if currentLine =~ '^\s*\\\\.*'
+        return -1
+    endif
+
+    let prevLineNum = prevnonblank(a:lnum-1)
+    let prevLine = getline(prevLineNum)
+
+    " for lines that look line
+    "   },
+    "   };
+    " try treat them the same as a }
+    if prevLine =~ '\v^\s*},$'
+        if currentLine =~ '\v^\s*};$' || currentLine =~ '\v^\s*}$'
+            return indent(prevLineNum) - 4
+        endif
+        return indent(prevLineNum-1) - 4
+    endif
+    if currentLine =~ '\v^\s*},$'
+        return indent(prevLineNum) - 4
+    endif
+    if currentLine =~ '\v^\s*};$'
+        return indent(prevLineNum) - 4
+    endif
+
+
+    " cindent doesn't handle this case correctly:
+    " switch (1): {
+    "   1 => true,
+    "       ~
+    "       ^---- indents to here
+    if prevLine =~ '.*=>.*,$' && currentLine !~ '.*}$'
+       return indent(prevLineNum)
+    endif
+
+    return cindent(a:lnum)
+endfunction
+
+endif
diff --git a/syntax/arduino.vim b/syntax/arduino.vim
index 6fbed366..4511d6cc 100644
--- a/syntax/arduino.vim
+++ b/syntax/arduino.vim
@@ -51,7 +51,7 @@ endif
 	syn keyword arduinoFunc Wire1
 "}}}
 "C:/Program Files (x86)/Arduino\lib\keywords.txt{{{
-	syn keyword arduinoConstant HIGH LOW INPUT INPUT_PULLUP OUTPUT DEC BIN HEX OCT PI
+	syn keyword arduinoConstant HIGH LOW INPUT INPUT_PULLUP INPUT_PULLDOWN OUTPUT DEC BIN HEX OCT PI
 	syn keyword arduinoConstant HALF_PI TWO_PI LSBFIRST MSBFIRST CHANGE FALLING RISING DEFAULT EXTERNAL INTERNAL
 	syn keyword arduinoConstant INTERNAL1V1 INTERNAL2V56
 	syn keyword arduinoType boolean break byte case char class const continue default do
diff --git a/syntax/basic/function.vim b/syntax/basic/function.vim
index d6cec847..e1743ab5 100644
--- a/syntax/basic/function.vim
+++ b/syntax/basic/function.vim
@@ -52,7 +52,7 @@ syntax region  typescriptArrowFuncArg          contained start=/<\|(/ end=/\ze=>
 syntax region typescriptReturnAnnotation contained start=/:/ end=/{/me=e-1 contains=@typescriptType nextgroup=typescriptBlock
 
 
-syntax region typescriptFuncImpl contained start=/function/ end=/{/me=e-1
+syntax region typescriptFuncImpl contained start=/function\>/ end=/{/me=e-1
   \ contains=typescriptFuncKeyword
   \ nextgroup=typescriptBlock
 
diff --git a/syntax/basic/type.vim b/syntax/basic/type.vim
index 74942a2d..ca7374a4 100644
--- a/syntax/basic/type.vim
+++ b/syntax/basic/type.vim
@@ -158,6 +158,7 @@ syntax match typescriptTypeAnnotation /:/
 syntax cluster typescriptParameterList contains=
   \ typescriptTypeAnnotation,
   \ typescriptAccessibilityModifier,
+  \ typescriptReadonlyModifier,
   \ typescriptOptionalMark,
   \ typescriptRestOrSpread,
   \ typescriptFuncComma,
diff --git a/syntax/lua.vim b/syntax/lua.vim
index e86b8637..36956285 100644
--- a/syntax/lua.vim
+++ b/syntax/lua.vim
@@ -13,6 +13,11 @@ if !exists("main_syntax")
   let main_syntax = 'lua'
 endif
 
+if exists('g:lua_syntax_fancynotequal') && !has('conceal')
+  unlet g:lua_syntax_fancynotequal
+endif
+
+
 syntax sync fromstart
 
 function! s:FoldableRegion(tag, name, expr)
@@ -40,7 +45,11 @@ syntax region luaBracket transparent matchgroup=luaBrackets start="\[" end="\]"
 syntax match  luaComma ","
 syntax match  luaSemiCol ";"
 if !exists('g:lua_syntax_nosymboloperator')
-  syntax match luaSymbolOperator "[#<>=~^&|*/%+-]\|\.\."
+  if exists('g:lua_syntax_fancynotequal')
+    syntax match luaNotEqOperator "\V~=" conceal cchar=≠
+    setlocal conceallevel=2
+  endi
+  syntax match luaSymbolOperator "[#<>=~^&|*/%+-]\|\.\." contains=luaNotEqOperator
 endi
 syntax match  luaEllipsis "\.\.\."
 
@@ -229,6 +238,7 @@ if version >= 508 || !exists("did_lua_syn_inits")
   HiLink luaLocal            Type
   HiLink luaNumber           Number
   HiLink luaSymbolOperator   luaOperator
+  HiLink luaNotEqOperator    luaOperator
   HiLink luaOperator         Operator
   HiLink luaRepeat           Repeat
   HiLink luaSemiCol          Delimiter
@@ -240,6 +250,10 @@ if version >= 508 || !exists("did_lua_syn_inits")
   HiLink luaStringSpecial    SpecialChar
   HiLink luaErrHand          Exception
 
+  if exists('g:lua_syntax_fancynotequal')
+    hi! link Conceal luaOperator
+  endi
+
   delcommand HiLink
 end
 
diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index 063ba10d..6d240d52 100644
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -72,10 +72,10 @@ execute 'syn region mkdLink matchgroup=mkdDelimiter  start="\\\@<!!\?\[\ze[^]\n]
 " Autolink without angle brackets.
 " mkd  inline links:      protocol     optional  user:pass@  sub/domain                    .com, .co.uk, etc         optional port   path/querystring/hash fragment
 "                         ------------ _____________________ ----------------------------- _________________________ ----------------- __
-syn match   mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
+syn match   mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?[^] \t]*/
 
 " Autolink with parenthesis.
-syn region  mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*)\)\@=" end=")"
+syn region  mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?[^] \t]*)\)\@=" end=")"
 
 " Autolink with angle brackets.
 syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
diff --git a/syntax/nix.vim b/syntax/nix.vim
index 9c6fa29a..d8fd4f66 100644
--- a/syntax/nix.vim
+++ b/syntax/nix.vim
@@ -109,7 +109,7 @@ syn region nixFunctionArgument start="{\ze\%(\s\|#.\{-\}\n\|\n\|/\*\_.\{-\}\*/\)
 syn region nixFunctionArgument start="{\ze\%(\s\|#.\{-\}\n\|\n\|/\*\_.\{-\}\*/\)*}\%(\%(\s\|#.\{-\}\n\|\n\|/\*\_.\{-\}\*/\)*@\%(\s\|#.\{-\}\n\|\n\|/\*\_.\{-\}\*/\)*[a-zA-Z_][a-zA-Z0-9_'-]*\)\%(\s\|#.\{-\}\n\|\n\|/\*\_.\{-\}\*/\)*:" end="}" contains=nixComment nextgroup=nixArgOperator
 
 "                                                               vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
-syn match nixSimpleFunctionArgument "[a-zA-Z_][a-zA-Z0-9_'-]*\ze\%(\s\|#.\{-\}\n\|\n\|/\*\_.\{-\}\*/\)*:/\@!"
+syn match nixSimpleFunctionArgument "[a-zA-Z_][a-zA-Z0-9_'-]*\ze\%(\s\|#.\{-\}\n\|\n\|/\*\_.\{-\}\*/\)*:\([\n ]\)\@="
 
 syn region nixList matchgroup=nixListBracket start="\[" end="\]" contains=@nixExpr
 
@@ -149,7 +149,7 @@ syn keyword nixNamespacedBuiltin contained
       \ removeAttrs replaceStrings scopedImport seq sort split splitVersion
       \ storeDir storePath stringLength sub substring tail throw toFile toJSON
       \ toPath toString toXML trace tryEval typeOf unsafeDiscardOutputDependency
-      \ unsafeDiscardStringContext unsafeGetAttrPos valueSize
+      \ unsafeDiscardStringContext unsafeGetAttrPos valueSize fromTOML
 
 syn match nixBuiltin "builtins\.[a-zA-Z']\+"he=s+9 contains=nixComment,nixNamespacedBuiltin
 
diff --git a/syntax/systemd.vim b/syntax/systemd.vim
index a1a80662..e62d36ac 100644
--- a/syntax/systemd.vim
+++ b/syntax/systemd.vim
@@ -26,7 +26,7 @@ syn match sdFormatStr contained /%[bCEfhHiIjJLmnNpPsStTgGuUvV%]/ containedin=ALL
 syn match sdUInt     contained nextgroup=sdErr /\d\+/
 syn match sdInt      contained nextgroup=sdErr /-\=\d\+/
 syn match sdOctal    contained nextgroup=sdErr /0\o\{3,4}/
-" sdDuration: see systemd.time(7)
+" sdDuration, sdCalendar: see systemd.time(7)
 syn match sdDuration contained nextgroup=sdErr /\d\+/
 syn match sdDuration contained nextgroup=sdErr /\%(\d\+\s*\%(usec\|msec\|seconds\=\|minutes\=\|hours\=\|days\=\|weeks\=\|months\=\|years\=\|us\|ms\|sec\|min\|hr\|[smhdwMy]\)\s*\)\+/
 syn match sdDatasize contained nextgroup=sdErr /\d\+[KMGT]/
@@ -35,6 +35,29 @@ syn match sdPercent  contained nextgroup=sdErr /\d\+%/
 syn keyword sdBool   contained nextgroup=sdErr 1 yes true on 0 no false off
 syn match sdUnitName contained /\S\+\.\(automount\|mount\|swap\|socket\|service\|target\|path\|timer\|device\|slice\|scope\)\_s/
 
+" type identifiers used in `systemd --dump-config`, from most to least common:
+" 189 OTHER
+" 179 BOOLEAN
+" 136 LIMIT
+"  46 CONDITION
+"  36 WEIGHT
+"  30 MODE
+"  27 PATH
+"  25 PATH [...]
+"  24 SECONDS, STRING
+"  20 SIGNAL
+"  15 UNIT [...]
+"  12 BANDWIDTH, DEVICEWEIGHT, SHARES, UNSIGNED
+"  11 PATH [ARGUMENT [...]]
+"   8 BOUNDINGSET, LEVEL, OUTPUT, PATH[:PATH[:OPTIONS]] [...], SOCKET [...]
+"   6 ACTION, DEVICE, DEVICELATENCY, POLICY, SLICE, TIMER
+"   5 KILLMODE
+"   4 ARCHS, CPUAFFINITY, CPUSCHEDPOLICY, CPUSCHEDPRIO, ENVIRON, ERRNO, FACILITY, FAMILIES, FILE, INPUT, IOCLASS, IOPRIORITY, LABEL, MOUNTFLAG [...], NAMESPACES, NANOSECONDS, NICE, NOTSUPPORTED, OOMSCOREADJUST, PERSONALITY, SECUREBITS, SYSCALLS
+"   3 INTEGER, SIZE, STATUS
+"   2 LONG, UNIT
+"   1 ACCESS, NETWORKINTERFACE, SERVICE, SERVICERESTART, SERVICETYPE, SOCKETBIND, SOCKETS, TOS, URL
+
+
 " .include
 syn match sdInclude /^.include/ nextgroup=sdFilename
 
@@ -48,48 +71,76 @@ syn region sdUnitBlock matchgroup=sdHeader start=/^\[Unit\]/ end=/^\[/me=e-2 con
 syn match sdUnitKey contained /^Description=/
 syn match sdUnitKey contained /^Documentation=/ nextgroup=sdDocURI
 syn match sdUnitKey contained /^SourcePath=/ nextgroup=sdFilename,sdErr
-syn match sdUnitKey contained /^\%(Requires\|RequiresOverridable\|Requisite\|RequisiteOverridable\|Wants\|Binds\=To\|PartOf\|Conflicts\|Before\|After\|OnFailure\|Names|PropagatesReloadTo\|ReloadPropagatedFrom\)=/ nextgroup=sdUnitList
+syn match sdUnitKey contained /^\%(Requires\|RequiresOverridable\|Requisite\|RequisiteOverridable\|Wants\|Binds\=To\|PartOf\|Conflicts\|Before\|After\|OnFailure\|Names\|Propagates\=ReloadTo\|ReloadPropagatedFrom\|PropagateReloadFrom\|JoinsNamespaceOf\)=/ nextgroup=sdUnitList
 syn match sdUnitKey contained /^\%(OnFailureIsolate\|IgnoreOnIsolate\|IgnoreOnSnapshot\|StopWhenUnneeded\|RefuseManualStart\|RefuseManualStop\|AllowIsolate\|DefaultDependencies\)=/ nextgroup=sdBool,sdErr
 syn match sdUnitKey contained /^OnFailureJobMode=/ nextgroup=sdFailJobMode,sdErr
 syn match sdUnitKey contained /^\%(StartLimitInterval\|StartLimitIntervalSec\|JobTimeoutSec\)=/ nextgroup=sdDuration,sdErr
 syn match sdUnitKey contained /^\%(StartLimitAction\|JobTimeoutAction\)=/ nextgroup=sdLimitAction,sdErr
+syn match sdUnitKey contained /^StartLimitBurst=/ nextgroup=sdUInt,sdErr
+syn match sdUnitKey contained /^\%(FailureAction\|SuccessAction\)=/ nextgroup=sdLimitAction,sdFailAction,sdErr
+syn match sdUnitKey contained /^\%(FailureAction\|SuccessAction\)ExitStatus=/ nextgroup=sdExitStatus,sdErr
 syn match sdUnitKey contained /^\%(RebootArgument\|JobTimeoutRebootArgument\)=/
-" ConditionXXX. Note that they all have an optional '|' after the '='.
-syn match sdUnitKey contained /^Condition\(PathExists\|PathExistsGlob\|PathIsDirectory\|PathIsMountPoint\|PathIsReadWrite\|PathIsSymbolicLink\|DirectoryNotEmpty\|FileNotEmpty\|FileIsExecutable\)=|\=!\=/ contains=sdConditionFlag nextgroup=sdFilename,sdErr
-syn match sdUnitKey contained /^ConditionVirtualization=|\=!\=/ contains=sdConditionFlag nextgroup=sdVirtType,sdErr
-syn match sdUnitKey contained /^ConditionSecurity=|\=!\=/ contains=sdConditionFlag nextgroup=sdSecurityType,sdErr
-syn match sdUnitKey contained /^ConditionCapability=|\=!\=/ contains=sdConditionFlag nextgroup=sdAnyCapName,sdErr
-syn match sdUnitKey contained /^Condition\%(KernelCommandLine\|Host\)=|\=!\=/ contains=sdConditionFlag
-syn match sdUnitKey contained /^Condition\%(ACPower\|Null\|FirstBoot\)=|\=/ contains=sdConditionFlag nextgroup=sdBool,sdErr
-syn match sdUnitKey contained /^ConditionNeedsUpdate=|\=!\=/ contains=sdConditionFlag nextgroup=sdCondUpdateDir,sdErr
+syn match sdUnitKey contained /^RequiresMountsFor=/ nextgroup=sdFileList,sdErr
+" TODO: JobRunningTimeoutSec
+" ConditionXXX/AssertXXX. Note that they all have an optional '|' after the '='.
+syn match sdUnitKey contained /^\%(Condition\|Assert\)\(PathExists\|PathExistsGlob\|PathIsDirectory\|PathIsMountPoint\|PathIsReadWrite\|PathIsSymbolicLink\|DirectoryNotEmpty\|FileNotEmpty\|FileIsExecutable\)=|\=!\=/ contains=sdConditionFlag nextgroup=sdFilename,sdErr
+syn match sdUnitKey contained /^\%(Condition\|Assert\)Virtualization=|\=!\=/ contains=sdConditionFlag nextgroup=sdVirtType,sdErr
+syn match sdUnitKey contained /^\%(Condition\|Assert\)Security=|\=!\=/ contains=sdConditionFlag nextgroup=sdSecurityType,sdErr
+syn match sdUnitKey contained /^\%(Condition\|Assert\)Capability=|\=!\=/ contains=sdConditionFlag nextgroup=sdAnyCapName,sdErr
+syn match sdUnitKey contained /^\%(Condition\|Assert\)\%(KernelCommandLine\|Host\)=|\=!\=/ contains=sdConditionFlag
+syn match sdUnitKey contained /^\%(Condition\|Assert\)\%(ACPower\|Null\|FirstBoot\)=|\=/ contains=sdConditionFlag nextgroup=sdBool,sdErr
+syn match sdUnitKey contained /^\%(Condition\|Assert\)NeedsUpdate=|\=!\=/ contains=sdConditionFlag nextgroup=sdCondUpdateDir,sdErr
+syn match sdUnitKey contained /^\%(Condition\|Assert\)Architecture=|\=!\=/ contains=sdConditionFlag nextgroup=sdArch,sdErr
+syn match sdUnitKey contained /^\%(Condition\|Assert\)User=|\=/ contains=sdConditionFlag nextgroup=sdUser,sdCondUser,sdErr
+syn match sdUnitKey contained /^\%(Condition\|Assert\)Group=|\=/ contains=sdConditionFlag nextgroup=sdUser,sdErr
+syn match sdUnitKey contained /^\%(Condition\|Assert\)ControlGroupController=|\=/ contains=sdConditionFlag nextgroup=sdController,sdErr
+syn match sdUnitKey contained /^\%(Condition\|Assert\)KernelVersion=|\=/ contains=sdConditionFlag nextgroup=sdKernelVersion,sdErr
 
 " extra bits
 syn match sdUnitList       contained /.*/ contains=sdUnitName,sdErr
 syn match sdConditionFlag  contained /[!|]/
 syn match sdCondUpdateDir  contained nextgroup=sdErr /\%(\/etc\|\/var\)/
-syn keyword sdVirtType     contained nextgroup=sdErr vm container qemu kvm vmware microsoft oracle xen bochs chroot openvz lxc lxc-libvirt systemd-nspawn
-syn keyword sdSecurityType contained nextgroup=sdErr selinux
+syn keyword sdVirtType     contained nextgroup=sdErr vm container qemu kvm zvm vmware microsoft oracle xen bochs uml bhyve qnx openvz openvz lxc lxc-libvirt systemd-nspawn docker podman rkt wsl acrn private-users
+syn keyword sdSecurityType contained nextgroup=sdErr selinux apparmor tomoyo ima smack audit uefi-secureboot
 syn keyword sdFailJobMode  contained nextgroup=sdErr fail replace replace-irreversibly
 syn keyword sdLimitAction  contained nextgroup=sdErr none reboot reboot-force reboot-immediate poweroff poweroff-force poweroff-immediate
+syn keyword sdFailAction   contained nextgroup=sdErr exit exit-force
+syn keyword sdArch         contained nextgroup=sdErr x86 x86_64 ppc ppc-le ppc64 ppc64-le ia64 parisc parisc64 s390 s390x sparc sparc64 mips mips-le mips64 mips64-le alpha arm arm-be arm64 arm64-be sh sh64 m68k tilegx cris arc arc-be native
+syn keyword sdController   contained cpu cpuacct io blkio memory devices pids nextgroup=sdController,sdErr
+syn match sdCondUser       contained /@system/
+syn match sdUser           contained nextgroup=sdErr /\d\+\|[A-Za-z_][A-Za-z0-9_-]*/
+syn match sdExitStatus     contained nextgroup=sdErr /\d\|\d\d\|[01]\d\d\|2[0-4]\d\|25[0-5]/
 syn match sdDocUri         contained /\%(https\=:\/\/\|file:\|info:\|man:\)\S\+\s*/ nextgroup=sdDocUri,sdErr
 
 " [Install] {{{1
 " see systemd.unit(5)
 syn region sdInstallBlock matchgroup=sdHeader start=/^\[Install\]/ end=/^\[/me=e-2 contains=sdInstallKey
 syn match sdInstallKey contained /^\%(WantedBy\|Alias\|Also\|RequiredBy\)=/ nextgroup=sdUnitList
+syn match sdInstallKey contained /^DefaultInstance=/ nextgroup=sdInstance
+" TODO: sdInstance - what's valid there? probably [^@/]\+, but that's a guess
 
 " Execution options common to [Service|Socket|Mount|Swap] {{{1
 " see systemd.exec(5)
-syn match sdExecKey contained /^Exec\%(Start\%(Pre\|Post\|\)\|Reload\|Stop\|StopPost\)=/ nextgroup=sdExecFlag,sdExecFile,sdErr
-syn match sdExecKey contained /^\%(WorkingDirectory\|RootDirectory\|TTYPath\)=/ nextgroup=sdFilename,sdErr
+syn match sdExecKey contained /^Exec\%(Start\%(Pre\|Post\|\)\|Reload\|Stop\|StopPost\|Condition\)=/ nextgroup=sdExecFlag,sdExecFile,sdErr
+syn match sdExecKey contained /^\%(WorkingDirectory\|RootDirectory\|TTYPath\|RootImage\)=/ nextgroup=sdFilename,sdErr
+syn match sdExecKey contained /^\%(Runtime\|State\|Cache\|Logs\|Configuration\)Directory=/ nextgroup=sdFilename,sdErr
+syn match sdExecKey contained /^\%(Runtime\|State\|Cache\|Logs\|Configuration\)DirectoryMode=/ nextgroup=sdOctal,sdErr
+syn match sdExecKey contained /^User=/ nextgroup=sdUser,sdErr
+syn match sdExecKey contained /^Group=/ nextgroup=sdUser,sdErr
+" TODO: NUMAPolicy, NUMAMask
+" TODO: Pass/UnsetEnvironment
+" TODO: StandardInput\%(Text\|Data\)
+" TODO: Generally everything from 'WorkingDirectory' on down
 " TODO: handle some of these better
 " FIXME: some of these have moved to Resource Control
 " CPUAffinity is: list of uint
 " BlockIOWeight is: uint\|filename uint
 " BlockIO\%(Read\|Write\)Bandwidth is: filename datasize
-syn match sdExecKey contained /^\%(User\|Group\|SupplementaryGroups\|CPUAffinity\|SyslogIdentifier\|PAMName\|TCPWrapName\|ControlGroup\|ControlGroupAttribute\|UtmpIdentifier\)=/
+syn match sdExecKey contained /^\%(SupplementaryGroups\|CPUAffinity\|SyslogIdentifier\|PAMName\|TCPWrapName\|ControlGroup\|ControlGroupAttribute\|UtmpIdentifier\)=/
 syn match sdExecKey contained /^Limit\%(CPU\|FSIZE\|DATA\|STACK\|CORE\|RSS\|NOFILE\|AS\|NPROC\|MEMLOCK\|LOCKS\|SIGPENDING\|MSGQUEUE\|NICE\|RTPRIO\|RTTIME\)=/ nextgroup=sdRlimit
-syn match sdExecKey contained /^\%(CPUSchedulingResetOnFork\|TTYReset\|TTYVHangup\|TTYVTDisallocate\|SyslogLevelPrefix\|ControlGroupModify\|PrivateTmp\|PrivateNetwork\|PrivateDevices\)=/ nextgroup=sdBool,sdErr
+syn match sdExecKey contained /^\%(CPUSchedulingResetOnFork\|TTYReset\|TTYVHangup\|TTYVTDisallocate\|SyslogLevelPrefix\|ControlGroupModify\|DynamicUser\|RemoveIPC\|NoNewPrivileges\|RestrictRealtime\|RestrictSUIDSGID\|LockPersonality\|MountAPIVFS\)=/ nextgroup=sdBool,sdErr
+syn match sdExecKey contained /^Private\%(Tmp\|Network\|Devices\|Users\|Mounts\)=/ nextgroup=sdBool,sdErr
+syn match sdExecKey contained /^Protect\%(KernelTunables\|KernelModules\|KernelLogs\|Clock\|ControlGroups\|Hostname\)=/ nextgroup=sdBool,sdErr
 syn match sdExecKey contained /^\%(Nice\|OOMScoreAdjust\)=/ nextgroup=sdInt,sdErr
 syn match sdExecKey contained /^\%(CPUSchedulingPriority\|TimerSlackNSec\)=/ nextgroup=sdUInt,sdErr
 syn match sdExecKey contained /^\%(ReadWrite\|ReadOnly\|Inaccessible\)Directories=/ nextgroup=sdFileList
@@ -162,7 +213,7 @@ syn match   sdKillMode    contained nextgroup=sdErr /\%(control-group\|process\|
 " Resource Control options for [Service|Socket|Mount|Swap|Slice|Scope] {{{1
 " see systemd.resource-control(5)
 syn match sdResCtlKey contained /^Slice=/ nextgroup=sdSliceName,sdErr
-syn match sdResCtlKey contained /^\%(CPUAccounting\|MemoryAccounting\|IOAccounting\|BlockIOAccounting\|TasksAccounting\|Delegate\)=/ nextgroup=sdBool,sdErr
+syn match sdResCtlKey contained /^\%(CPUAccounting\|MemoryAccounting\|IOAccounting\|BlockIOAccounting\|TasksAccounting\|IPAccounting\|Delegate\)=/ nextgroup=sdBool,sdErr
 syn match sdResCtlKey contained /^\%(CPUQuota\)=/ nextgroup=sdPercent,sdErr
 syn match sdResCtlKey contained /^\%(CPUShares\|StartupCPUShares\)=/ nextgroup=sdUInt,sdErr
 syn match sdResCtlKey contained /^MemoryLow=/ nextgroup=sdDatasize,sdPercent,sdErr
@@ -185,12 +236,18 @@ syn region sdServiceBlock matchgroup=sdHeader start=/^\[Service\]/ end=/^\[/me=e
 syn match sdServiceKey contained /^BusName=/
 syn match sdServiceKey contained /^\%(RemainAfterExit\|GuessMainPID\|PermissionsStartOnly\|RootDirectoryStartOnly\|NonBlocking\|ControlGroupModify\)=/ nextgroup=sdBool,sdErr
 syn match sdServiceKey contained /^\%(SysVStartPriority\|FsckPassNo\)=/ nextgroup=sdUInt,sdErr
-syn match sdServiceKey contained /^\%(Restart\|Timeout\|TimeoutStart\|TimeoutStop\|Watchdog\|RuntimeMax\)Sec=/ nextgroup=sdDuration,sdErr
+syn match sdServiceKey contained /^\%(Restart\|Timeout\|TimeoutStart\|TimeoutStop\|TimeoutAbort\|Watchdog\|RuntimeMax\)Sec=/ nextgroup=sdDuration,sdErr
 syn match sdServiceKey contained /^Sockets=/ nextgroup=sdUnitList
 syn match sdServiceKey contained /^PIDFile=/ nextgroup=sdFilename,sdErr
 syn match sdServiceKey contained /^Type=/ nextgroup=sdServiceType,sdErr
 syn match sdServiceKey contained /^Restart=/ nextgroup=sdRestartType,sdErr
 syn match sdServiceKey contained /^NotifyAccess=/ nextgroup=sdNotifyType,sdErr
+syn match sdServiceKey contained /^StartLimitInterval=/ nextgroup=sdDuration,sdErr
+syn match sdServiceKey contained /^StartLimitAction=/ nextgroup=sdLimitAction,sdErr
+syn match sdServiceKey contained /^StartLimitBurst=/ nextgroup=sdUInt,sdErr
+syn match sdServiceKey contained /^FailureAction=/ nextgroup=sdLimitAction,sdFailAction,sdErr
+syn match sdServiceKey contained /^\%(RestartPrevent\|RestartForce\|Success\)ExitStatus=/ nextgroup=sdExitStatus,sdErr
+syn match sdServiceKey contained /^RebootArgument=/
 syn keyword sdServiceType contained nextgroup=sdErr simple forking dbus oneshot notify idle
 syn keyword sdRestartType contained nextgroup=sdErr no on-success on-failure on-abort always
 syn keyword sdNotifyType  contained nextgroup=sdErr none main all
@@ -201,7 +258,7 @@ syn match sdSocketKey contained /^Listen\%(Stream\|Datagram\|SequentialPacket\|F
 syn match sdSocketKey contained /^Listen\%(FIFO\|Special\)=/ nextgroup=sdFilename,sdErr
 syn match sdSocketKey contained /^\%(Socket\|Directory\)Mode=/ nextgroup=sdOctal,sdErr
 syn match sdSocketKey contained /^\%(Backlog\|MaxConnections\|Priority\|ReceiveBuffer\|SendBuffer\|IPTTL\|Mark\|PipeSize\|MessageQueueMaxMessages\|MessageQueueMessageSize\)=/ nextgroup=sdUInt,sdErr
-syn match sdSocketKey contained /^\%(Accept\|KeepAlive\|FreeBind\|Transparent\|Broadcast\|Writable\|NoDelay\)=/ nextgroup=sdBool,sdErr
+syn match sdSocketKey contained /^\%(Accept\|KeepAlive\|FreeBind\|Transparent\|Broadcast\|Writable\|NoDelay\|PassCredentials\|PassSecurity\|ReusePort\|RemoveOnStop\|SELinuxContextFromNet\)=/ nextgroup=sdBool,sdErr
 syn match sdSocketKey contained /^BindToDevice=/
 syn match sdSocketKey contained /^Service=/ nextgroup=sdUnitList
 syn match sdSocketKey contained /^BindIPv6Only=/ nextgroup=sdBindIPv6,sdErr
@@ -216,7 +273,8 @@ syn keyword sdTCPCongest contained nextgroup=sdErr westwood veno cubic lp
 syn region sdTimerBlock matchgroup=sdHeader start=/^\[Timer\]/ end=/^\[/me=e-2 contains=sdTimerKey
 syn match sdTimerKey contained /^On\%(Active\|Boot\|Startup\|UnitActive\|UnitInactive\)Sec=/ nextgroup=sdDuration,sdErr
 syn match sdTimerKey contained /^\%(Accuracy\|RandomizedDelay\)Sec=/ nextgroup=sdDuration,sdErr
-syn match sdTimerKey contained /^\%(Persistent\|WakeSystem\|RemainAfterElapse\)=/ nextgroup=sdBool,sdErr
+syn match sdTimerKey contained /^\%(Persistent\|WakeSystem\|RemainAfterElapse\|OnClockChange\|OnTimezoneChange\)=/ nextgroup=sdBool,sdErr
+syn match sdTimerKey contained /^OnCalendar=/ nextgroup=sdCalendar
 syn match sdTimerKey contained /^Unit=/ nextgroup=sdUnitList
 " TODO: sdCalendar
 
@@ -227,7 +285,7 @@ syn match sdAutomountKey contained /^DirectoryMode=/ nextgroup=sdOctal,sdErr
 
 " [Mount]
 syn region sdMountBlock matchgroup=sdHeader start=/^\[Mount\]/ end=/^\[/me=e-2 contains=sdMountKey,sdAutomountKey,sdExecKey,sdKillKey,sdResCtlKey
-syn match sdMountKey contained /^SloppyOptions=/ nextgroup=sdBool,sdErr
+syn match sdMountKey contained /^\%(SloppyOptions\|LazyUnmount\|ForceUnmount\)=/ nextgroup=sdBool,sdErr
 syn match sdMountKey contained /^\%(What\|Type\|Options\)=/
 
 " [Swap]
diff --git a/syntax/zig.vim b/syntax/zig.vim
index 91cc5ce6..a4e48d64 100644
--- a/syntax/zig.vim
+++ b/syntax/zig.vim
@@ -36,7 +36,7 @@ syn match zigBuiltinFn "\v\@(compileLog|ctz|popCount|divExact|divFloor|divTrunc)
 syn match zigBuiltinFn "\v\@(embedFile|export|tagName|TagType|errorName|call)>"
 syn match zigBuiltinFn "\v\@(errorReturnTrace|fence|fieldParentPtr|field|unionInit)>"
 syn match zigBuiltinFn "\v\@(frameAddress|import|newStackCall|asyncCall|intToPtr)>"
-syn match zigBuiltinFn "\v\@(memcpy|memset|mod|mulWithOverflow|splat)>"
+syn match zigBuiltinFn "\v\@(memcpy|memset|mod|mulWithOverflow|splat|src)>"
 syn match zigBuiltinFn "\v\@(bitOffsetOf|byteOffsetOf|OpaqueType|panic|ptrCast)>"
 syn match zigBuiltinFn "\v\@(ptrToInt|rem|returnAddress|setCold|Type|shuffle)>"
 syn match zigBuiltinFn "\v\@(setRuntimeSafety|setEvalBranchQuota|setFloatMode)>"