diff --git a/gnu/packages/julia.scm b/gnu/packages/julia.scm
index a66309b611..e1c4685227 100644
--- a/gnu/packages/julia.scm
+++ b/gnu/packages/julia.scm
@@ -51,14 +51,14 @@
 
 (define (julia-patch-url version name)
   (string-append "https://raw.githubusercontent.com/JuliaLang/julia/v" version
-		 "/deps/patches/" name ".patch"))
+                 "/deps/patches/" name ".patch"))
 
 (define (julia-patch name sha)
   (let ((version "1.3.1"))
     (origin (method url-fetch)
-	    (uri (julia-patch-url version name))
-	    (sha256 (base32 sha))
-	    (file-name name))))
+            (uri (julia-patch-url version name))
+            (sha256 (base32 sha))
+            (file-name name))))
 
 (define libuv-julia
   (let ((commit "35b1504507a7a4168caae3d78db54d1121b121e1"))
@@ -101,7 +101,7 @@
                 "1y0l08k6ak1mqbfj6accf9s5686kljwgsl4vcqpxzk5n74wpm6a3"))
               (patches
                (list
-	        (julia-patch "libunwind-prefer-extbl"
+                (julia-patch "libunwind-prefer-extbl"
                              "0lr4dafw8qyfh8sw8hhbwkql1dlhqv8px7k81y2l20hhxfgnh2m1")
                 (julia-patch "libunwind-static-arm"
                              "1jk3bmiw61ypcchqkk1fyg5wh8wpggk574wxyfyaic870zh3lhgq")))))
@@ -124,45 +124,45 @@
               ;; Discussion: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=919628
               (patches
                (list
-	        (julia-patch "llvm-6.0-D44650"
-			    "1336q4vqayr94wdcnlmcxh90mjdh34dzw9x2cbiqjnx9b1j8fxyb")
-	        (julia-patch "llvm-6.0-DISABLE_ABI_CHECKS"
-			    "014fawd1ba7yckalypfld22zgic87x9nx3cim42zrwygywd36pyg")
-	        (julia-patch "llvm-6.0-NVPTX-addrspaces"
-			    "1qdi2zmrjsrj0h84zv2vyly2hjcn4f67mfy0s1q353g4v4jkscqc")
-	        (julia-patch "llvm-6.0.0_D27296-libssp"
-			    "0s5hi2r1j63i8m6ig1346crx2aiv9f7rgb3mg80kw1wx5y7pdpfh")
-	        (julia-patch "llvm-D27629-AArch64-large_model_6.0.1"
-			    "1qrshmlqvnasdyc158vfn3hnbigqph3lsq7acb9w8lwkpnnm2j4z")
-	        (julia-patch "llvm-D34078-vectorize-fdiv"
-			    "1696hg84a0jxcnggvqsc2cdp271hf9a44p4qsd078qm1mfawkaay")
-	        (julia-patch "llvm-D42262-jumpthreading-not-i1"
-			    "1c8w210gwidbnkkw8anp17dk5pnxws2fl3mb2qxh7y9wzfpixgaq")
-	        (julia-patch "llvm-D44892-Perf-integration"
-			    "0r37jd0ssh2k1pndkfd5blgpg9z90im4vlzprhb0n0wwz45g4b05")
-	        (julia-patch "llvm-D46460"
-			    "1miqgswdc0qvbaf4571c2xkxyp9ais06b1bcpa83sq22vr4hbsfb")
-	        (julia-patch "llvm-D49832-SCEVPred"
-			    "0v5c88hgqj6dymv3j86ca5mhpqab5fbnrvjiw1nvnrnya9l4dlbn")
-	        (julia-patch "llvm-D50010-VNCoercion-ni"
-			    "0iblb3q1xixwrb12jpb89h3ywmqmzdp6aqp416j4ncwakyjhhfkp")
-	        (julia-patch "llvm-D50167-scev-umin"
-			    "1f2rakcnnyhr7w10k7gqg0k0491pyvx5ijplivw557f714ys3q6v")
-	        (julia-patch "llvm-OProfile-line-num"
-			    "1jvbbmwyags0xfwamb13qrf3rgcz9i1r03m9lava7swag8xb78c7")
-	        (julia-patch "llvm-PPC-addrspaces"
-			    "1f23nhsxh2s3jskbgs7da9nwg3s1hrkbk5aahl08x41wi3mny01p")
-	        (julia-patch "llvm-rL323946-LSRTy"
-			    "10cz3vy1yw0w643z7xx021wa4kymx9fcm3bjg61s6vzdqd6d9fns")
-	        (julia-patch "llvm-rL326967-aligned-load"
-			    "04jxnv32yj5x17hqhi8g2p8rhgp38gmjzr871w7z8s44pq10v9v4")
-	        (julia-patch "llvm-rL327898"
-			    "15ah49gbsll23z28kpyahi5vl0fh3fkxcgd1zmxxdcl96s3x8bnq")))))
+                (julia-patch "llvm-6.0-D44650"
+                            "1336q4vqayr94wdcnlmcxh90mjdh34dzw9x2cbiqjnx9b1j8fxyb")
+                (julia-patch "llvm-6.0-DISABLE_ABI_CHECKS"
+                            "014fawd1ba7yckalypfld22zgic87x9nx3cim42zrwygywd36pyg")
+                (julia-patch "llvm-6.0-NVPTX-addrspaces"
+                            "1qdi2zmrjsrj0h84zv2vyly2hjcn4f67mfy0s1q353g4v4jkscqc")
+                (julia-patch "llvm-6.0.0_D27296-libssp"
+                            "0s5hi2r1j63i8m6ig1346crx2aiv9f7rgb3mg80kw1wx5y7pdpfh")
+                (julia-patch "llvm-D27629-AArch64-large_model_6.0.1"
+                            "1qrshmlqvnasdyc158vfn3hnbigqph3lsq7acb9w8lwkpnnm2j4z")
+                (julia-patch "llvm-D34078-vectorize-fdiv"
+                            "1696hg84a0jxcnggvqsc2cdp271hf9a44p4qsd078qm1mfawkaay")
+                (julia-patch "llvm-D42262-jumpthreading-not-i1"
+                            "1c8w210gwidbnkkw8anp17dk5pnxws2fl3mb2qxh7y9wzfpixgaq")
+                (julia-patch "llvm-D44892-Perf-integration"
+                            "0r37jd0ssh2k1pndkfd5blgpg9z90im4vlzprhb0n0wwz45g4b05")
+                (julia-patch "llvm-D46460"
+                            "1miqgswdc0qvbaf4571c2xkxyp9ais06b1bcpa83sq22vr4hbsfb")
+                (julia-patch "llvm-D49832-SCEVPred"
+                            "0v5c88hgqj6dymv3j86ca5mhpqab5fbnrvjiw1nvnrnya9l4dlbn")
+                (julia-patch "llvm-D50010-VNCoercion-ni"
+                            "0iblb3q1xixwrb12jpb89h3ywmqmzdp6aqp416j4ncwakyjhhfkp")
+                (julia-patch "llvm-D50167-scev-umin"
+                            "1f2rakcnnyhr7w10k7gqg0k0491pyvx5ijplivw557f714ys3q6v")
+                (julia-patch "llvm-OProfile-line-num"
+                            "1jvbbmwyags0xfwamb13qrf3rgcz9i1r03m9lava7swag8xb78c7")
+                (julia-patch "llvm-PPC-addrspaces"
+                            "1f23nhsxh2s3jskbgs7da9nwg3s1hrkbk5aahl08x41wi3mny01p")
+                (julia-patch "llvm-rL323946-LSRTy"
+                            "10cz3vy1yw0w643z7xx021wa4kymx9fcm3bjg61s6vzdqd6d9fns")
+                (julia-patch "llvm-rL326967-aligned-load"
+                            "04jxnv32yj5x17hqhi8g2p8rhgp38gmjzr871w7z8s44pq10v9v4")
+                (julia-patch "llvm-rL327898"
+                            "15ah49gbsll23z28kpyahi5vl0fh3fkxcgd1zmxxdcl96s3x8bnq")))))
     (arguments
      (substitute-keyword-arguments (package-arguments llvm-6)
        ((#:configure-flags flags)
         `(list ;; Taken from NixOS. Only way I could get libLLVM-6.0.so
-	  "-DCMAKE_BUILD_TYPE=Release"
+          "-DCMAKE_BUILD_TYPE=Release"
 
           ;; Build a native compiler and the NVPTX backend (NVIDIA) since
           ;; Julia insists on it, nothing more.  This reduces build times and
@@ -170,15 +170,15 @@
           ,(string-append "-DLLVM_TARGETS_TO_BUILD=" (system->llvm-target))
           "-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=NVPTX"
 
-	  "-DLLVM_INSTALL_UTILS=ON"
-	  "-DLLVM_BUILD_TESTS=ON"
-	  "-DLLVM_ENABLE_FFI=ON"
-	  "-DLLVM_ENABLE_RTTI=ON"
+          "-DLLVM_INSTALL_UTILS=ON"
+          "-DLLVM_BUILD_TESTS=ON"
+          "-DLLVM_ENABLE_FFI=ON"
+          "-DLLVM_ENABLE_RTTI=ON"
           ;; "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
           ;; "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
-	  ;; "-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly"
-	  "-DLLVM_ENABLE_DUMP=ON"
-	  "-DLLVM_LINK_LLVM_DYLIB=ON"))))))
+          ;; "-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly"
+          "-DLLVM_ENABLE_DUMP=ON"
+          "-DLLVM_LINK_LLVM_DYLIB=ON"))))))
 
 (define-public julia
   (package
@@ -222,9 +222,9 @@
                         (string-append "deps/srccache/libwhich-"
                                        "81e9723c0273d78493dc8c8ed570f68d9ce7e89e"
                                        ".tar.gz"))
-	     ;; needed by libwhich
-	     (setenv "LD_LIBRARY_PATH"
-		     (string-join (map (lambda (pkg)
+             ;; needed by libwhich
+             (setenv "LD_LIBRARY_PATH"
+                     (string-join (map (lambda (pkg)
                                          (string-append (assoc-ref inputs pkg)
                                                         "/lib"))
                                        '("arpack-ng" "curl" "dsfmt"
@@ -234,7 +234,7 @@
                                          "openblas" "openlibm" "pcre2"
                                          "suitesparse"))
                                   ":"))
-	     #t))
+             #t))
          ;; FIXME: Building the documentation requires Julia packages that
          ;; would be downloaded from the Internet.  We should build them in a
          ;; separate build phase.
@@ -250,40 +250,40 @@
            ;; Some tests require a home directory to be set.
            (lambda _ (setenv "HOME" "/tmp") #t))
          (add-after 'unpack 'hardcode-soname-map
-          ;; ./src/runtime_ccall.cpp creates a map from library names to paths
-          ;; using the output of "/sbin/ldconfig -p".  Since ldconfig is not
-          ;; used in Guix, we patch runtime_ccall.cpp to contain a static map.
-          (lambda* (#:key inputs #:allow-other-keys)
-            (substitute* "base/math.jl"
-              (("const libm = Base.libm_name")
-               (string-append "const libm = \""
-                              (assoc-ref inputs "openlibm")
-                              "/lib/libopenlibm.so"
-                              "\"")))))
+           ;; ./src/runtime_ccall.cpp creates a map from library names to paths
+           ;; using the output of "/sbin/ldconfig -p".  Since ldconfig is not
+           ;; used in Guix, we patch runtime_ccall.cpp to contain a static map.
+           (lambda* (#:key inputs #:allow-other-keys)
+             (substitute* "base/math.jl"
+               (("const libm = Base.libm_name")
+                (string-append "const libm = \""
+                               (assoc-ref inputs "openlibm")
+                               "/lib/libopenlibm.so"
+                               "\"")))))
          (add-before 'build 'fix-include-and-link-paths
-          (lambda* (#:key inputs #:allow-other-keys)
-            ;; LIBUTF8PROC is a linker flag, not a build target.  It is
-            ;; included in the LIBFILES_* variable which is used as a
-            ;; collection of build targets and a list of libraries to link
-            ;; against.
-            (substitute* "src/flisp/Makefile"
+           (lambda* (#:key inputs #:allow-other-keys)
+             ;; LIBUTF8PROC is a linker flag, not a build target.  It is
+             ;; included in the LIBFILES_* variable which is used as a
+             ;; collection of build targets and a list of libraries to link
+             ;; against.
+             (substitute* "src/flisp/Makefile"
                (("\\$\\(BUILDDIR\\)/\\$\\(EXENAME\\)\\$\\(EXE\\): \\$\\(OBJS\\) \\$\\(LIBFILES_release\\)")
                 "$(BUILDDIR)/$(EXENAME)$(EXE): $(OBJS) $(LLT_release)")
                (("\\$\\(BUILDDIR\\)/\\$\\(EXENAME\\)-debug$(EXE): \\$\\(DOBJS\\) \\$\\(LIBFILES_debug\\)")
                 "$(BUILDDIR)/$(EXENAME)-debug\\$\\(EXE\\): $(DOBJS) $(LLT_debug)"))
 
-            ;; The REPL must be linked with libuv.
-            (substitute* "ui/Makefile"
-              (("JLDFLAGS \\+= ")
-               (string-append "JLDFLAGS += "
-                              (assoc-ref %build-inputs "libuv")
-                              "/lib/libuv.so ")))
+             ;; The REPL must be linked with libuv.
+             (substitute* "ui/Makefile"
+               (("JLDFLAGS \\+= ")
+                (string-append "JLDFLAGS += "
+                               (assoc-ref %build-inputs "libuv")
+                               "/lib/libuv.so ")))
 
-            (substitute* "base/Makefile"
-              (("\\$\\(build_includedir\\)/uv/errno.h")
-               (string-append (assoc-ref inputs "libuv")
-                              "/include/uv/errno.h")))
-            #t))
+             (substitute* "base/Makefile"
+               (("\\$\\(build_includedir\\)/uv/errno.h")
+                (string-append (assoc-ref inputs "libuv")
+                               "/include/uv/errno.h")))
+             #t))
          (add-before 'build 'replace-default-shell
            (lambda _
              (substitute* "base/client.jl"
@@ -307,7 +307,7 @@
              ;; https://github.com/JuliaLang/julia/issues/32377
              (substitute* "stdlib/REPL/test/replcompletions.jl"
                (("@test count") "@test_broken count"))
-	     #t)))
+             #t)))
        #:make-flags
        (list
         (string-append "prefix=" (assoc-ref %outputs "out"))
@@ -331,7 +331,7 @@
         "USE_SYSTEM_P7ZIP=1"
         "USE_SYSTEM_LAPACK=1"
         "USE_SYSTEM_BLAS=1"
-        "USE_BLAS64=0"          ;needed when USE_SYSTEM_BLAS=1
+        "USE_BLAS64=0"                  ;needed when USE_SYSTEM_BLAS=1
         "LIBBLAS=-lopenblas"
         "LIBBLASNAME=libopenblas"
 
@@ -339,35 +339,35 @@
         (string-append "SUITESPARSE_INC=-I "
                        (assoc-ref %build-inputs "suitesparse")
                        "/include")
-        "USE_GPL_LIBS=1"        ;proudly
+        "USE_GPL_LIBS=1"                ;proudly
         "USE_SYSTEM_UTF8PROC=1"
         (string-append "UTF8PROC_INC="
                        (assoc-ref %build-inputs "utf8proc")
                        "/include")
         "USE_SYSTEM_LLVM=1"
-	"LLVM_VER=6.0.1"
+        "LLVM_VER=6.0.1"
 
-	"USE_LLVM_SHLIB=1"
-	"USE_SYSTEM_LIBUNWIND=1"
-	"USE_SYSTEM_LIBUV=1"
-	(string-append "LIBUV="
-		       (assoc-ref %build-inputs "libuv")
-		       "/lib/libuv.so")
-	(string-append "LIBUV_INC="
-		       (assoc-ref %build-inputs "libuv")
-		       "/include")
-	"USE_SYSTEM_PATCHELF=1"
-	"USE_SYSTEM_PCRE=1"
-	"USE_SYSTEM_OPENLIBM=1"
+        "USE_LLVM_SHLIB=1"
+        "USE_SYSTEM_LIBUNWIND=1"
+        "USE_SYSTEM_LIBUV=1"
+        (string-append "LIBUV="
+                       (assoc-ref %build-inputs "libuv")
+                       "/lib/libuv.so")
+        (string-append "LIBUV_INC="
+                       (assoc-ref %build-inputs "libuv")
+                       "/include")
+        "USE_SYSTEM_PATCHELF=1"
+        "USE_SYSTEM_PCRE=1"
+        "USE_SYSTEM_OPENLIBM=1"
         "USE_SYSTEM_LIBM=0"
         "USE_SYSTEM_LIBSSH2=1"
         "USE_SYSTEM_CURL=1"
-	"USE_SYSTEM_GMP=1"
-	"USE_SYSTEM_MPFR=1"
-	"USE_SYSTEM_MBEDTLS=1"
-	"USE_SYSTEM_ARPACK=1"
-	"USE_SYSTEM_LIBGIT2=1"
-	"USE_SYSTEM_ZLIB=1")))
+        "USE_SYSTEM_GMP=1"
+        "USE_SYSTEM_MPFR=1"
+        "USE_SYSTEM_MBEDTLS=1"
+        "USE_SYSTEM_ARPACK=1"
+        "USE_SYSTEM_LIBGIT2=1"
+        "USE_SYSTEM_ZLIB=1")))
     (inputs
      `(("llvm" ,llvm-julia)
 
@@ -377,9 +377,9 @@
        ;; <https://bugs.gnu.org/30282>.
        ("arpack-ng" ,arpack-ng-3.3.0)
 
-       ("coreutils" ,coreutils) ;for bindings to "mkdir" and the like
+       ("coreutils" ,coreutils)         ;for bindings to "mkdir" and the like
        ("lapack" ,lapack)
-       ("openblas" ,openblas) ;Julia does not build with Atlas
+       ("openblas" ,openblas)           ;Julia does not build with Atlas
        ("libunwind" ,libunwind-julia)
        ("openlibm" ,openlibm)
        ("mbedtls" ,mbedtls-apache)
@@ -411,20 +411,20 @@
             (base32
              "0wp6ld9vk11f4nnkn56627zmlv9k5vafi99qa3yyn1pgcd61zcfs"))))
        ("libwhich"
-	,(let ((commit "81e9723c0273d78493dc8c8ed570f68d9ce7e89e"))
+        ,(let ((commit "81e9723c0273d78493dc8c8ed570f68d9ce7e89e"))
            (origin
              ;; Note: We use a /tarball URL, but that's because Julia's build
              ;; system checks the hash of that tarball; thus we can't use
              ;; 'git-fetch'.
-	     (method url-fetch)
-	     (uri (string-append
+             (method url-fetch)
+             (uri (string-append
                    "https://api.github.com/repos/vtjnash/libwhich/tarball/"
                    commit))
              (file-name (string-append "libwhich-" (string-take commit 7)
                                        ".tar.gz"))
-	     (sha256
-	      (base32
-	       "1p7zg31kpmpbmh1znrk1xrbd074agx13b9q4dcw8n2zrwwdlbz3b")))))
+             (sha256
+              (base32
+               "1p7zg31kpmpbmh1znrk1xrbd074agx13b9q4dcw8n2zrwwdlbz3b")))))
        ("dsfmt" ,dsfmt)))
     (native-inputs
      `(("openssl" ,openssl)
