Sugar on the glyphs

Author: ubaldot

after/syntax/markdown.vim

@@ -3,6 +3,7 @@ vim9script
 # Other possible options: 0x2B1C (white empty box)
 # 0x2705 Green checkbox
 # 0x2714 Only checkbox
+# 0x25A2 Big large empty square
 var use_nerd_fonts = true
 
 if exists('g:markdown_extras_config') != 0
@@ -12,9 +13,22 @@ if exists('g:markdown_extras_config') != 0
 endif
 
 if use_nerd_fonts
+  var empty_checkbox = 0x25A2
+  var marked_checkbox = 0x2714
+
+  if exists('g:markdown_extras_config') != 0
+      && has_key(g:markdown_extras_config, 'empty_checkbox')
+    empty_checkbox = g:markdown_extras_config[ 'empty_checkbox']
+  endif
+
+  if exists('g:markdown_extras_config') != 0
+      && has_key(g:markdown_extras_config, 'marked_checkbox')
+    marked_checkbox = g:markdown_extras_config[ 'marked_checkbox']
+  endif
+
   exe 'syntax match todoCheckbox ''\v\s*-\s\[\s*\]''hs=e-4 conceal cchar='
-   .. nr2char(0x25A1)
+   .. nr2char(empty_checkbox)
   exe 'syntax match todoCheckbox ''\v\s*-\s\[x\]''hs=e-4 conceal cchar='
-  .. nr2char(0x2714)
+  .. nr2char(marked_checkbox)
   hi def link todoCheckbox Todo
 endif

doc/markdown_extras.txt

@@ -49,3 +49,11 @@ filling it with he various keys.
                           Default `true`.
         "use_nerd_fonts"  To set eye-candy check-boxes. Require some nerd-font
                           installed. Default false.
+        "smart_textstyle" Whenever possible, text styles are kept
+                          consistent. Default `true`
+        "empty_checkbox"  Glyphs to display for empty checkboxes. Requires
+                          "use_nerdfonts" set to `true` and 'concealevel'
+                          greater than 0.
+        "marked_checkbox" Glyphs to display for marked checkboxes. Requires
+                          "use_nerdfonts" set to `true` and 'concealevel'
+                          greater than 0.

lib/utils.vim

@@ -547,7 +547,7 @@ enddef
 # TODO
 export var Surround = SurroundSmart
 if exists('g:markdown_extras_config')
-    && has_key(g:markdown_extras_config, 'smart_delimiters')
-    && g:markdown_extras_config['smart_delimiters']
+    && has_key(g:markdown_extras_config, 'smart_textstyle')
+    && g:markdown_extras_config['smart_textstyle']
   Surround = SurroundSimple
 endif