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@ -569,7 +569,9 @@ fn run() -> Result<()> {
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if app_matches.is_present("list-languages") {
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let languages = assets.syntax_set.syntaxes();
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let longest = languages.iter()
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let longest = languages
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.iter()
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.filter(|s| !s.hidden)
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.map(|s| s.name.len())
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.max()
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.unwrap_or(32); // Fallback width if they have no language definitions.
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@ -590,12 +592,13 @@ fn run() -> Result<()> {
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let mut extension = lang.file_extensions.iter().peekable();
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while let Some(word) = extension.next() {
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// If we can't fit this word in, then create a line break and align it in.
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if num_chars + word.len() + comma_separator.len() >= desired_width {
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let new_chars = word.len() + comma_separator.len();
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if num_chars + new_chars >= desired_width {
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num_chars = 0;
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print!("\n{:width$}{}", "", separator, width = longest);
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}
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num_chars += word.len() + comma_separator.len();
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num_chars += new_chars;
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print!("{}", word);
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if extension.peek().is_some() {
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print!("{}", comma_separator);
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