add generic conceal option

README.md

@@ -5,7 +5,7 @@
 (Neo)vim plugin for [Typst](https://typst.app).
 
 I am applying the 80/20 rule in this project since I prefer to have
-something now rather than waiting for everthing later.
+something now rather than waiting for everything later.
 
 ## Features
 
@@ -15,8 +15,8 @@ something now rather than waiting for everthing later.
 **Existing**
 - Vim syntax highlighting.
 - Compile the active document with `:make`.
-- Concealing for italic, bold. You must `set conceallevel=2` for this to work.
-- Concealing symbols in math mode. You must `set conceallevel=2` and the `g:typst_conceal_math` option.
+- Concealing for italic, bold. Can be enabled with `g:typst_conceal`.
+- Concealing symbols in math mode. Can be enabled with `g:typst_conceal_math`.
 
 **Possible features**
 - Formatting using [this](https://github.com/astrale-sharp/typst-fmt/)?
@@ -64,18 +64,26 @@ call plug#end()
 
 ### Options
 
-- `g:typst_cmd`: 
-    Specifies the location of the Typst executable. Defaults to `"typst"`.
-- `g:typst_pdf_viewer`: 
+- `g:typst_cmd`:
+    Specifies the location of the Typst executable.
+    *Default:* `'typst'`
+- `g:typst_pdf_viewer`:
     Specifies pdf viewer that `typst watch --open` will use.
+    *Default:* `''`
+- `gtypst_conceal`:
+    Enable concealment.
+    *Default:* `0`
 - `g:typst_conceal_math`:
     Enable concealment for math symbols in math mode (i.e. replaces symbols
     with their actual unicode character). **OBS**: this can affect performance,
     see issue [#64](https://github.com/kaarmu/typst.vim/issues/64).
-- `g:typst_auto_close_toc`: 
+    *Default:* `g:typst_conceal`
+- `g:typst_auto_close_toc`:
     Specifies whether TOC will be automatically closed after using it.
+    *Default:* `0`
 - `g:typst_auto_open_quickfix`:
-    Specifies whether the quickfix list should automatically open when there are errors from typst. Defaults to `v:true`.
+    Specifies whether the quickfix list should automatically open when there are errors from typst.
+    *Default:* `1`
 
 ### Commands
 

ftplugin/typst.vim

@@ -15,7 +15,8 @@ endfunction
 
 call s:declare_option('typst_cmd', 'typst')
 call s:declare_option('typst_pdf_viewer', '')
-call s:declare_option('typst_conceal_math', 0)
+call s:declare_option('typst_conceal', 0)
+call s:declare_option('typst_conceal_math', g:typst_conceal)
 call s:declare_option('typst_auto_close_toc', 0)
 call s:declare_option('typst_auto_open_quickfix', 1)
 
@@ -34,6 +35,10 @@ setlocal tabstop=8
 setlocal softtabstop=2
 setlocal shiftwidth=2
 
+if g:typst_conceal
+    setlocal conceallevel=2
+endif
+
 setlocal commentstring=//%s
 setlocal comments=s1:/*,mb:*,ex:*/,://
 

syntax/typst.vim

@@ -290,21 +290,37 @@ syntax match typstMarkupEnumList
 syntax match typstMarkupItalic
     \ /\v(\w|\\)@1<!_\S@=.{-}(\n.{-1,})*\S@1<=\\@1<!_/
     \ contains=typstMarkupItalicRegion
-syntax region typstMarkupItalicRegion
-    \ contained
-    \ matchgroup=typstMarkupItalicDelimiter 
-    \ start=/\(^\|[^0-9a-zA-Z]\)\@<=_/ end=/_\($\|[^0-9a-zA-Z]\)\@=/
-    \ concealends contains=typstMarkupLabel,typstMarkupBold,@Spell
+if g:typst_conceal
+    syntax region typstMarkupItalicRegion
+        \ contained
+        \ matchgroup=typstMarkupItalicDelimiter 
+        \ start=/\(^\|[^0-9a-zA-Z]\)\@<=_/ end=/_\($\|[^0-9a-zA-Z]\)\@=/
+        \ concealends contains=typstMarkupLabel,typstMarkupBold,@Spell
+else
+    syntax region typstMarkupItalicRegion
+        \ contained
+        \ matchgroup=typstMarkupItalicDelimiter 
+        \ start=/\(^\|[^0-9a-zA-Z]\)\@<=_/ end=/_\($\|[^0-9a-zA-Z]\)\@=/
+        \ contains=typstMarkupLabel,typstMarkupBold,@Spell
+endif
 " syntax match typstMarkupBoldError
 "     \ /\v(\w|\\)@<!\*\S@=.*|.*\S@<=\\@<!\*/
 syntax match typstMarkupBold
     \ /\v(\w|\\)@1<!\*\S@=.{-}(\n.{-1,})*\S@1<=\\@1<!\*/
     \ contains=typstMarkupBoldRegion
-syntax region typstMarkupBoldRegion
-    \ contained
-    \ matchgroup=typstMarkupBoldDelimiter 
-    \ start=/\(^\|[^0-9a-zA-Z]\)\@<=\*/ end=/\*\($\|[^0-9a-zA-Z]\)\@=/
-    \ concealends contains=typstMarkupLabel,typstMarkupBold,@Spell
+if g:typst_conceal
+    syntax region typstMarkupBoldRegion
+        \ contained
+        \ matchgroup=typstMarkupBoldDelimiter 
+        \ start=/\(^\|[^0-9a-zA-Z]\)\@<=\*/ end=/\*\($\|[^0-9a-zA-Z]\)\@=/
+        \ concealends contains=typstMarkupLabel,typstMarkupBold,@Spell
+else 
+    syntax region typstMarkupBoldRegion
+        \ contained
+        \ matchgroup=typstMarkupBoldDelimiter 
+        \ start=/\(^\|[^0-9a-zA-Z]\)\@<=\*/ end=/\*\($\|[^0-9a-zA-Z]\)\@=/
+        \ contains=typstMarkupLabel,typstMarkupBold,@Spell
+endif
 syntax match typstMarkupLinebreak
     \ /\\\\/
 syntax match typstMarkupNonbreakingSpace