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Code Issues Releases Activity

Add newlines in line number spans when wrapping in an HTML table.

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Since these are wrapped in a `<pre>`, newlines hint the browser that the
line numbers should be on separate lines. This helps when rendering
content with broken CSS, or in a text-only browser.
This commit is contained in:
John Millikin
2018-02-24 17:34:34 -08:00
committed by Alec Thomas
parent 10c530a975
commit d7ee3c10b0
2 changed files with 21 additions and 2 deletions
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4
formatters/html/html.go
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@ -169,7 +169,7 @@ func (f *Formatter) writeHTML(w io.Writer, style *chroma.Style, tokens []*chroma
fmt.Fprintf(w, "<span%s>", f.styleAttr(css, chroma.LineHighlight))
}
fmt.Fprintf(w, "<span%s>%*d</span>", f.styleAttr(css, chroma.LineNumbersTable), lineDigits, line)
fmt.Fprintf(w, "<span%s>%*d\n</span>", f.styleAttr(css, chroma.LineNumbersTable), lineDigits, line)
if highlight {
fmt.Fprintf(w, "</span>")
@ -327,7 +327,7 @@ func (f *Formatter) styleToCSS(style *chroma.Style) map[chroma.TokenType]string
lineNumbersStyle := "margin-right: 0.4em; padding: 0 0.4em 0 0.4em;"
// All rules begin with default rules followed by user provided rules
classes[chroma.LineNumbers] = lineNumbersStyle + classes[chroma.LineNumbers]
classes[chroma.LineNumbersTable] = lineNumbersStyle + " display: block;" + classes[chroma.LineNumbersTable]
classes[chroma.LineNumbersTable] = lineNumbersStyle + classes[chroma.LineNumbersTable]
classes[chroma.LineHighlight] = "display: block; width: 100%;" + classes[chroma.LineHighlight]
classes[chroma.LineTable] = "border-spacing: 0; padding: 0; margin: 0; border: 0; width: auto; overflow: auto; display: block;" + classes[chroma.LineTable]
classes[chroma.LineTableTD] = "vertical-align: top; padding: 0; margin: 0; border: 0;" + classes[chroma.LineTableTD]