/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/ is in golang-github-alecthomas-chroma-dev 0.4.0+git20180402.51d250f-1.
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/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/c.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/capnproto.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/ceylon.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/cfengine3.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/chaiscript.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/cheetah.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/cl.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/clojure.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/cmake.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/cobol.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/coffee.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/coldfusion.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/coq.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/cpp.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/crystal.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/csharp.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/css.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/cython.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/circular/doc.go
/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/circular/php.go