On Wed, 2 Nov 2016, Ximin Luo wrote:

> +@item SOURCE_PREFIX_MAP If this variable is set, it specifies a mapping

The text should start on a separate line from the @item.

> +that is used to transform filepaths that are output in debug symbols.
> +This helps the embedded paths become reproducible, without having the
> +unreproducible value be visible in other input sources - such as GCC

Use a TeX em dash, ---, instead of " - ".

-- 
Joseph S. Myers
jos...@codesourcery.com

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