@@ -191,6 +191,20 @@ to @code{IOStreams}.")
;; The library is bsd-2, but documentation and tests include other licenses.
(license (list bsd-2 bsd-3 psfl))))
+(define-public fmt-5 ; fmt >= 6 API is not backward compatible.
+ (package
+ (inherit fmt)
+ (version "5.3.0")
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/fmtlib/fmt")
+ (commit version)))
+ (file-name (git-file-name (package-name fmt) version))
+ (sha256
+ (base32
+ "1hl9s69a5ql5nckc0ifh2fzlgsgv1wsn6yhqkpnrhasqkhj0hgv4"))))))
+
(define-public source-highlight
(package
(name "source-highlight")