Update gitlab_kramdown

1 files changed, 8 insertions, 0 deletions

diff --git a/Rules b/Rules
index cb8216f0..867a7cca 100644
--- a/Rules
+++ b/Rules
@@ -68,6 +68,14 @@ compile '/**/*.md' do
     filter :gitlab_kramdown,
       input: 'GitlabKramdown',
       syntax_highlighter: 'rouge',
+      syntax_highlighter_opts: {
+        # In kramdown 2.0, the plaintext parser was removed and replaced by the
+        # :guess_lang option:
+        #
+        # - https://github.com/gettalong/kramdown/blob/master/doc/news/release_2_0_0.page
+        # - https://github.com/gettalong/kramdown/pull/573
+        guess_lang: true
+      },
       default_lang: 'Plain Text',
       hard_wrap: false,
       auto_ids: true,