Update syntect

components/config/src/config/markup.rs

@@ -97,7 +97,7 @@ impl Markdown {
 
     pub fn export_theme_css(&self, theme_name: &str) -> String {
         let theme = self.get_highlight_theme_by_name(theme_name);
-        css_for_theme_with_class_style(theme, CLASS_STYLE)
+        css_for_theme_with_class_style(theme, CLASS_STYLE).expect("the function can't even error?")
     }
 
     pub fn init_extra_syntaxes_and_highlight_themes(&mut self, path: &Path) -> Result<()> {

components/libs/Cargo.toml

@@ -32,7 +32,7 @@ serde_yaml = "0.8"
 sha2 = "0.10"
 slug = "0.1"
 svg_metadata = "0.4"
-syntect = "4"
+syntect = "5"
 tera = { version = "1", features = ["preserve_order"] }
 time = "0.3"
 toml = "0.5"

components/markdown/src/codeblock/highlight.rs

@@ -37,13 +37,15 @@ impl<'config> ClassHighlighter<'config> {
     /// also use of the `load_defaults_newlines` version of the syntaxes.
     pub fn highlight_line(&mut self, line: &str) -> String {
         debug_assert!(line.ends_with('\n'));
-        let parsed_line = self.parse_state.parse_line(line, self.syntax_set);
+        let parsed_line =
+            self.parse_state.parse_line(line, self.syntax_set).expect("failed to parse line");
         let (formatted_line, delta) = line_tokens_to_classed_spans(
             line,
             parsed_line.as_slice(),
             CLASS_STYLE,
             &mut self.scope_stack,
-        );
+        )
+        .expect("line_tokens_to_classed_spans should not fail");
         self.open_spans += delta;
         formatted_line
     }
@@ -81,12 +83,14 @@ impl<'config> InlineHighlighter<'config> {
     }
 
     pub fn highlight_line(&mut self, line: &str) -> String {
-        let regions = self.h.highlight(line, self.syntax_set);
+        let regions =
+            self.h.highlight_line(line, self.syntax_set).expect("failed to highlight line");
         // TODO: add a param like `IncludeBackground` for `IncludeForeground` in syntect
         let highlighted = styled_line_to_highlighted_html(
             &regions,
             IncludeBackground::IfDifferent(self.bg_color),
-        );
+        )
+        .expect("styled_line_to_highlighted_html should not error");
         // Spans don't get nested even if the scopes generated by the syntax highlighting do,
         // so this is safe even when some internal scope happens to have the same color
         // as the default foreground color. Also note that `"`s in the original source