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Attributes for code fences should be placed after the lang indicator only
Fixes #8313
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3 changed files with 28 additions and 4 deletions
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@ -68,6 +68,14 @@ There are some current limitations: For tables you can currently only apply it t
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{.list}
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```
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Note that attributes in [code fences](/content-management/syntax-highlighting/#highlighting-in-code-fences) must come after the opening tag, with any other highlighting processing instruction, e.g.:
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````
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```go {.myclass linenos=table,hl_lines=[8,"15-17"],linenostart=199}
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// ... code
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```
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````
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autoHeadingIDType ("github") {{< new-in "0.62.2" >}}
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: The strategy used for creating auto IDs (anchor names). Available types are `github`, `github-ascii` and `blackfriday`. `github` produces GitHub-compatible IDs, `github-ascii` will drop any non-Ascii characters after accent normalization, and `blackfriday` will make the IDs work as with [Blackfriday](#blackfriday), the default Markdown engine before Hugo 0.60. Note that if Goldmark is your default Markdown engine, this is also the strategy used in the [anchorize](/functions/anchorize/) template func.
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@ -242,9 +242,19 @@ func TestConvertAttributes(t *testing.T) {
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withBlockAttributes(conf)
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conf.Highlight.CodeFences = true
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},
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"```bash\necho 'foo';\n````\n{.myclass id=\"myid\"}",
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"```bash {.myclass id=\"myid\"}\necho 'foo';\n````\n",
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"<div class=\"highlight myclass\" id=\"myid\"><pre style",
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},
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{
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"Code block, CodeFences=true,linenos=table",
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func(conf *markup_config.Config) {
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withBlockAttributes(conf)
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conf.Highlight.CodeFences = true
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},
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"```bash {linenos=table .myclass id=\"myid\"}\necho 'foo';\n````\n{ .adfadf }",
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[]string{"div class=\"highlight myclass\" id=\"myid\"><div s",
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"table style"},
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},
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{
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"Paragraph",
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withBlockAttributes,
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@ -97,10 +97,16 @@ type transformer struct{}
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func (a *transformer) Transform(node *ast.Document, reader text.Reader, pc parser.Context) {
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var attributes = make([]ast.Node, 0, 500)
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ast.Walk(node, func(node ast.Node, entering bool) (ast.WalkStatus, error) {
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if entering && node.Kind() == kindAttributesBlock && !node.HasBlankPreviousLines() {
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attributes = append(attributes, node)
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return ast.WalkSkipChildren, nil
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if entering && node.Kind() == kindAttributesBlock {
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// Attributes for fenced code blocks are handled in their own extension,
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// but note that we currently only support code block attributes when
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// CodeFences=true.
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if node.PreviousSibling().Kind() != ast.KindFencedCodeBlock && !node.HasBlankPreviousLines() {
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attributes = append(attributes, node)
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return ast.WalkSkipChildren, nil
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}
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}
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return ast.WalkContinue, nil
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})
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