Migrate '.vim/after/syntax' to neovim

.config/nvim/after/syntax/_comment_keywords.lua

@@ -1,5 +1,7 @@
+vim.cmd([[
 syn match Todo /TODO/
 syn match Todo /FIXME/
 syn match Todo /FIX/
 syn match Todo /QUESTION/
 syn match Todo /NOTE/
+]])

.config/nvim/after/syntax/pandoc.lua

@@ -1,3 +1,4 @@
+vim.cmd([[
 " Override the pandoc-syntax highlighting colors for more subtle citations
 hi! link pandocPCite Comment
 hi! link pandocICite Comment
@@ -5,9 +6,6 @@ hi! link pandocCiteKey Comment
 hi! link pandocCiteAnchor Comment
 hi! link pandocCiteLocator Comment
 
-" Don't show the CiteKey within the CiteLocator
-syn match pandocCiteKey /\v\[[^]]+\]/ contained
-
 " Match cloze delimiters e.g. `{{c1::` and `}}`
 syn match ClozeDelimiter /{{c\d\+::/ conceal containedin=pandocUListItem,pandocListItem
 syn match ClozeDelimiter /}}/ conceal containedin=pandocUListItem,pandocListItem
@@ -23,4 +21,6 @@ syn match TaskWikiTaskUuid containedin=TaskWikiTask /\v#([A-Z]:)?[0-9a-fA-F]{8}-
 syn match TaskWikiTaskUuid containedin=TaskWikiTask /\v#([A-Z]:)?[0-9a-fA-F]{8}$/
 highlight link TaskWikiTaskUuid Comment
 
-:runtime! syntax/_comment_keywords.vim
+]])
+
+vim.cmd.runtime("syntax/_comment_keywords.lua")

.config/nvim/after/syntax/prolog.lua

@@ -1,5 +1,7 @@
+vim.cmd([[
 syn keyword Operator \+ conceal cchar=¬
 syn keyword Operator ,  conceal cchar=∧
 syn keyword Operator ;  conceal cchar=∨
+]])
 
-:runtime! syntax/_comment_keywords.vim
+vim.cmd.runtime("syntax/_comment_keywords.lua")

.config/nvim/after/syntax/scheme.lua

@@ -1,3 +1,4 @@
+vim.cmd([[
 syntax keyword Statement define conceal cchar=≔
 
 syn keyword Operator not conceal cchar=¬
@@ -35,5 +36,6 @@ syn keyword Operator phi     conceal cchar=φ
 syn keyword Operator chi     conceal cchar=χ
 syn keyword Operator psi     conceal cchar=ψ
 syn keyword Operator omega   conceal cchar=ω
+]])
 
-:runtime! syntax/_comment_keywords.vim
+vim.cmd.runtime("syntax/_comment_keywords.lua")