@@ -225,9 +225,9 @@ General options
225225 - `epub` ([EPUB])
226226 - `fb2` ([FictionBook2] e-book)
227227 - `gfm` ([GitHub-Flavored Markdown]),
228− or `markdown_github`, which provides deprecated and less accurate
229− support for Github-Flavored Markdown; please use `gfm` instead,
230− unless you need to use extensions other than `smart`.
228+ or the deprecated and less accurate `markdown_github`;
229+ use [`markdown_github`](#markdown-variants) only
230+ if you need extensions not supported in [`gfm`](#markdown-variants).
231231 - `haddock` ([Haddock markup])
232232 - `html` ([HTML])
233233 - `jats` ([JATS] XML)
@@ -274,9 +274,9 @@ General options
274274 - `epub2` (EPUB v2)
275275 - `fb2` ([FictionBook2] e-book)
276276 - `gfm` ([GitHub-Flavored Markdown]),
277− or `markdown_github`, which provides deprecated and less accurate
278− support for Github-Flavored Markdown; please use `gfm` instead,
279− unless you use extensions that do not work with `gfm`.
277+ or the deprecated and less accurate `markdown_github`;
278+ use [`markdown_github`](#markdown-variants) only
279+ if you need extensions not supported in [`gfm`](#markdown-variants).
280280 - `haddock` ([Haddock markup])
281281 - `html` or `html5` ([HTML], i.e. [HTML5]/XHTML [polyglot markup])
282282 - `html4` ([XHTML] 1.0 Transitional)
@@ -4186,7 +4186,7 @@ individually disabled.
41864186Also, `raw_tex` only affects `gfm` output, not input.
41874187
41884188`gfm` (GitHub-Flavored Markdown)
4189−: `pipe_tables`, `raw_html`, `fenced_code_blocks`, `auto_identifiers`,
4189+: `pipe_tables`, `raw_html`, `fenced_code_blocks`, `gfm_auto_identifiers`,
41904190 `ascii_identifiers`, `backtick_code_blocks`, `autolink_bare_uris`,
41914191 `intraword_underscores`, `strikeout`, `hard_line_breaks`, `emoji`,
41924192 `shortcut_reference_links`, `angle_brackets_escapable`.