feat(single): Support for strikethrough, superscript and subscript

1 files changed, 9 insertions, 5 deletions

diff --git a/single.awk b/single.awk
index 7698bca..0481a49 100644
--- a/single.awk
+++ b/single.awk
@@ -6,14 +6,14 @@
 #   identation with which the list beginning (e.g. "* " or "5. ") was written.
 #   The benefit is that all Markdown is parsed as normal inside an item.
 #
-# [ ] Non-standard features
-#     [ ] Strikethrough ~~...~~
-#     [ ] Superscript ^...^
-#     [ ] Subscript ~...~
+# [.] Non-standard features
+#     [x] Strikethrough ~~...~~
+#     [x] Superscript ^...^
+#     [x] Subscript ~...~
 #     [ ] Footnote [^...] (with user customizations)
 #     [ ] Task list - [ ] (readonly)
 #     [ ] Definition lists
-#         [x] Single line
+#         [ ] Single line
 #         [ ] Multi-line
 #     [ ] Fenced code blocks ```lang ```
 #     [ ] Tables
@@ -340,6 +340,10 @@ function gsurround(brace, left, right, blen) {
 	gsurround("\\*"   , "<em>"    , "</em>", 1)
 	gsurround("``"    , "<code>"  , "</code>")
 	gsurround("`"     , "<code>"  , "</code>")
+
+	gsurround("~~" , "<s>"     , "</s>")
+	gsurround("~"  , "<sub>"   , "</sub>")
+	gsurround("\\^", "<sup>"   , "</sup>", 1)
 }
 
 # Links