diff --git a/blas/blas.go b/blas/blas.go
index 6c14aac4..29ff851c 100644
--- a/blas/blas.go
+++ b/blas/blas.go
@@ -105,7 +105,7 @@ For real matrices, Trans and ConjTrans have the same meaning.
 For Hermitian matrices, trans = Trans is not allowed.
 For complex symmetric matrices, trans = ConjTrans is not allowed.
 */
-package blas
+package blas // import "gonum.org/v1/gonum/blas"
 
 // Flag constants indicate Givens transformation H matrix state.
 type Flag int
diff --git a/blas/blas32/blas32.go b/blas/blas32/blas32.go
index 980dd888..e920fdba 100644
--- a/blas/blas32/blas32.go
+++ b/blas/blas32/blas32.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package blas32 provides a simple interface to the float32 BLAS API.
-package blas32
+package blas32 // import "gonum.org/v1/gonum/blas/blas32"
 
 import (
 	"gonum.org/v1/gonum/blas"
diff --git a/blas/blas64/blas64.go b/blas/blas64/blas64.go
index da49fecc..87990d8b 100644
--- a/blas/blas64/blas64.go
+++ b/blas/blas64/blas64.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package blas64 provides a simple interface to the float64 BLAS API.
-package blas64
+package blas64 // import "gonum.org/v1/gonum/blas/blas64"
 
 import (
 	"gonum.org/v1/gonum/blas"
diff --git a/blas/cblas128/cblas128.go b/blas/cblas128/cblas128.go
index 46343912..53d3449b 100644
--- a/blas/cblas128/cblas128.go
+++ b/blas/cblas128/cblas128.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package cblas128 provides a simple interface to the complex128 BLAS API.
-package cblas128
+package cblas128 // import "gonum.org/v1/gonum/blas/cblas128"
 
 import (
 	"gonum.org/v1/gonum/blas"
diff --git a/blas/cblas64/cblas64.go b/blas/cblas64/cblas64.go
index f494a050..b72f9bfa 100644
--- a/blas/cblas64/cblas64.go
+++ b/blas/cblas64/cblas64.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package cblas64 provides a simple interface to the complex64 BLAS API.
-package cblas64
+package cblas64 // import "gonum.org/v1/gonum/blas/cblas64"
 
 import (
 	"gonum.org/v1/gonum/blas"
diff --git a/blas/cgo/doc.go b/blas/cgo/doc.go
index 4e3efcf2..8b3b24ea 100644
--- a/blas/cgo/doc.go
+++ b/blas/cgo/doc.go
@@ -85,7 +85,7 @@ See http://www.crest.iu.edu/research/mtl/reference/html/banded.html
 for more information
 
 */
-package cgo
+package cgo // import "gonum.org/v1/gonum/blas/cgo"
 
 // BUG(btracey): The cgo package is intrinsically dependent on the underlying C
 // implementation. The BLAS standard is silent on a number of behaviors, including
diff --git a/blas/native/doc.go b/blas/native/doc.go
index cb63fe77..c4f6b0a7 100644
--- a/blas/native/doc.go
+++ b/blas/native/doc.go
@@ -85,4 +85,4 @@ which is given to the BLAS routine as [∗ 1 2 3 4 ...].
 See http://www.crest.iu.edu/research/mtl/reference/html/banded.html
 for more information
 */
-package native
+package native // import "gonum.org/v1/gonum/blas/native"
diff --git a/blas/native/internal/math32/math.go b/blas/native/internal/math32/math.go
index b33401b9..10a49a1c 100644
--- a/blas/native/internal/math32/math.go
+++ b/blas/native/internal/math32/math.go
@@ -8,7 +8,7 @@
 
 // Package math32 provides float32 versions of standard library math package
 // routines used by gonum/blas/native.
-package math32
+package math32 // import "gonum.org/v1/gonum/blas/native/internal/math32"
 
 import (
 	"math"
diff --git a/blas/testblas/level1double.go b/blas/testblas/level1double.go
index b4acd85a..4a47542b 100644
--- a/blas/testblas/level1double.go
+++ b/blas/testblas/level1double.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package testblas provides tests for blas implementations.
-package testblas
+package testblas // import "gonum.org/v1/gonum/blas/testblas"
 
 import (
 	"fmt"
diff --git a/diff/fd/diff.go b/diff/fd/diff.go
index 518d2a94..b42145ea 100644
--- a/diff/fd/diff.go
+++ b/diff/fd/diff.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package fd provides functions to approximate derivatives using finite differences.
-package fd
+package fd // import "gonum.org/v1/gonum/diff/fd"
 
 import (
 	"math"
diff --git a/floats/floats.go b/floats/floats.go
index 7707e371..7f1cadce 100644
--- a/floats/floats.go
+++ b/floats/floats.go
@@ -8,7 +8,7 @@
 //
 // The convention used is that when a slice is being modified in place, it has
 // the name dst.
-package floats
+package floats // import "gonum.org/v1/gonum/floats"
 
 import (
 	"errors"
diff --git a/graph/community/louvain_common.go b/graph/community/louvain_common.go
index a24897af..320b7564 100644
--- a/graph/community/louvain_common.go
+++ b/graph/community/louvain_common.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package community provides graph community detection functions.
-package community
+package community // import "gonum.org/v1/gonum/graph/community"
 
 import (
 	"fmt"
diff --git a/graph/doc.go b/graph/doc.go
index 7b7b3cc8..74477274 100644
--- a/graph/doc.go
+++ b/graph/doc.go
@@ -35,4 +35,4 @@ list or node list.  It also guarantees that any nodes passed back to the user wi
 nodes returned to it -- that is, it will never take a Node's ID and then wrap the ID in a new
 struct and return that. You'll always get back your original data.
 */
-package graph
+package graph // import "gonum.org/v1/gonum/graph"
diff --git a/graph/encoding/dot/dot.go b/graph/encoding/dot/dot.go
index da7d2d0a..ff2855b4 100644
--- a/graph/encoding/dot/dot.go
+++ b/graph/encoding/dot/dot.go
@@ -11,7 +11,7 @@
 //
 // DOT grammar: http://www.graphviz.org/doc/info/lang.html
 //
-package dot
+package dot // import "gonum.org/v1/gonum/graph/encoding/dot"
 
 import (
 	"bytes"
diff --git a/graph/formats/dot/ast/ast.go b/graph/formats/dot/ast/ast.go
index a8ac7bf8..4134714c 100644
--- a/graph/formats/dot/ast/ast.go
+++ b/graph/formats/dot/ast/ast.go
@@ -10,7 +10,7 @@
 
 // Package ast declares the types used to represent abstract syntax trees of
 // Graphviz DOT graphs.
-package ast
+package ast // import "gonum.org/v1/gonum/graph/formats/dot/ast"
 
 import (
 	"bytes"
diff --git a/graph/formats/dot/dot.go b/graph/formats/dot/dot.go
index 6fbbe3b2..984515e1 100644
--- a/graph/formats/dot/dot.go
+++ b/graph/formats/dot/dot.go
@@ -9,7 +9,7 @@
 // Universal Public Domain Dedication.
 
 // Package dot implements a parser for Graphviz DOT files.
-package dot
+package dot // import "gonum.org/v1/gonum/graph/formats/dot"
 
 import (
 	"fmt"
diff --git a/graph/formats/dot/internal/astx/astx.go b/graph/formats/dot/internal/astx/astx.go
index e52a5e7c..925171fd 100644
--- a/graph/formats/dot/internal/astx/astx.go
+++ b/graph/formats/dot/internal/astx/astx.go
@@ -10,7 +10,7 @@
 
 // Package astx implements utility functions for generating abstract syntax
 // trees of Graphviz DOT graphs.
-package astx
+package astx // import "gonum.org/v1/gonum/graph/formats/dot/internal/astx"
 
 import (
 	"fmt"
diff --git a/graph/graphs/gen/gen.go b/graph/graphs/gen/gen.go
index 993d6c75..6834ac6c 100644
--- a/graph/graphs/gen/gen.go
+++ b/graph/graphs/gen/gen.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package gen provides random graph generation functions.
-package gen
+package gen // import "gonum.org/v1/gonum/graph/graphs/gen"
 
 import "gonum.org/v1/gonum/graph"
 
diff --git a/graph/internal/linear/linear.go b/graph/internal/linear/linear.go
index cd3f4bda..191012ee 100644
--- a/graph/internal/linear/linear.go
+++ b/graph/internal/linear/linear.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package linear provides common linear data structures.
-package linear
+package linear // import "gonum.org/v1/gonum/graph/internal/linear"
 
 import (
 	"gonum.org/v1/gonum/graph"
diff --git a/graph/internal/ordered/sort.go b/graph/internal/ordered/sort.go
index 787be17e..742d67ec 100644
--- a/graph/internal/ordered/sort.go
+++ b/graph/internal/ordered/sort.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package ordered provides common sort ordering types.
-package ordered
+package ordered // import "gonum.org/v1/gonum/graph/internal/ordered"
 
 import "gonum.org/v1/gonum/graph"
 
diff --git a/graph/internal/set/set.go b/graph/internal/set/set.go
index 3166f14d..8febc8d2 100644
--- a/graph/internal/set/set.go
+++ b/graph/internal/set/set.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package set provides integer and graph.Node sets.
-package set
+package set // import "gonum.org/v1/gonum/graph/internal/set"
 
 import "gonum.org/v1/gonum/graph"
 
diff --git a/graph/network/network.go b/graph/network/network.go
index f0ead5bc..13726c03 100644
--- a/graph/network/network.go
+++ b/graph/network/network.go
@@ -11,4 +11,4 @@
 // * other centrality measures
 
 // Package network provides network analysis functions.
-package network
+package network // import "gonum.org/v1/gonum/graph/network"
diff --git a/graph/path/doc.go b/graph/path/doc.go
index 2a86fed0..f9e7b1dd 100644
--- a/graph/path/doc.go
+++ b/graph/path/doc.go
@@ -3,4 +3,4 @@
 // license that can be found in the LICENSE file.
 
 // Package path provides graph path finding functions.
-package path
+package path // import "gonum.org/v1/gonum/graph/path"
diff --git a/graph/path/dynamic/doc.go b/graph/path/dynamic/doc.go
index 597bd956..a0e9458f 100644
--- a/graph/path/dynamic/doc.go
+++ b/graph/path/dynamic/doc.go
@@ -3,4 +3,4 @@
 // license that can be found in the LICENSE file.
 
 // Package dynamic provides incremental heuristic graph path finding functions.
-package dynamic
+package dynamic // import "gonum.org/v1/gonum/graph/path/dynamic"
diff --git a/graph/simple/simple.go b/graph/simple/simple.go
index d081d75e..e30f9e76 100644
--- a/graph/simple/simple.go
+++ b/graph/simple/simple.go
@@ -4,7 +4,7 @@
 
 // Package simple provides a suite of simple graph implementations satisfying
 // the gonum/graph interfaces.
-package simple
+package simple // import "gonum.org/v1/gonum/graph/simple"
 
 import (
 	"math"
diff --git a/graph/topo/topo.go b/graph/topo/topo.go
index 4f1d4eed..ec2fb087 100644
--- a/graph/topo/topo.go
+++ b/graph/topo/topo.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package topo provides graph topology analysis functions.
-package topo
+package topo // import "gonum.org/v1/gonum/graph/topo"
 
 import (
 	"gonum.org/v1/gonum/graph"
diff --git a/graph/traverse/traverse.go b/graph/traverse/traverse.go
index 715d881e..19c881a9 100644
--- a/graph/traverse/traverse.go
+++ b/graph/traverse/traverse.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package traverse provides basic graph traversal primitives.
-package traverse
+package traverse // import "gonum.org/v1/gonum/graph/traverse"
 
 import (
 	"golang.org/x/tools/container/intsets"
diff --git a/integrate/doc.go b/integrate/doc.go
index cd65327e..81bddb3b 100644
--- a/integrate/doc.go
+++ b/integrate/doc.go
@@ -4,4 +4,4 @@
 
 // Package integrate provides functions to compute an integral given a
 // specific list of evaluations.
-package integrate // "github.com/gonum/integrate"
+package integrate // import "gonum.org/v1/gonum/integrate"
diff --git a/integrate/quad/quad.go b/integrate/quad/quad.go
index 0927254e..2f58358e 100644
--- a/integrate/quad/quad.go
+++ b/integrate/quad/quad.go
@@ -4,7 +4,7 @@
 
 // Package quad provides numerical evaluation of definite integrals of single-variable functions.
 //
-package quad
+package quad // import "gonum.org/v1/gonum/integrate/quad"
 
 import (
 	"math"
diff --git a/internal/asm/c128/doc.go b/internal/asm/c128/doc.go
index 1a03f2b8..3a77db39 100644
--- a/internal/asm/c128/doc.go
+++ b/internal/asm/c128/doc.go
@@ -3,4 +3,4 @@
 // license that can be found in the LICENSE file.
 
 // Package c128 provides complex128 vector primitives.
-package c128
+package c128 // import "gonum.org/v1/gonum/internal/asm/c128"
diff --git a/internal/asm/c64/doc.go b/internal/asm/c64/doc.go
index 9e524a89..a0b8862b 100644
--- a/internal/asm/c64/doc.go
+++ b/internal/asm/c64/doc.go
@@ -3,4 +3,4 @@
 // license that can be found in the LICENSE file.
 
 // Package c64 provides complex64 vector primitives.
-package c64
+package c64 // import "gonum.org/v1/gonum/internal/asm/c64"
diff --git a/internal/asm/f32/doc.go b/internal/asm/f32/doc.go
index e7e1d9f8..89e9c224 100644
--- a/internal/asm/f32/doc.go
+++ b/internal/asm/f32/doc.go
@@ -3,4 +3,4 @@
 // license that can be found in the LICENSE file.
 
 // Package f32 provides float32 vector primitives.
-package f32
+package f32 // import "gonum.org/v1/gonum/internal/asm/f32"
diff --git a/internal/asm/f64/doc.go b/internal/asm/f64/doc.go
index 7f1cc87c..5b562b57 100644
--- a/internal/asm/f64/doc.go
+++ b/internal/asm/f64/doc.go
@@ -3,4 +3,4 @@
 // license that can be found in the LICENSE file.
 
 // Package f64 provides float64 vector primitives.
-package f64
+package f64 // import "gonum.org/v1/gonum/internal/asm/f64"
diff --git a/internal/binding/binding.go b/internal/binding/binding.go
index 1b02a4bb..70f76dca 100644
--- a/internal/binding/binding.go
+++ b/internal/binding/binding.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package binding provides helpers for building autogenerated cgo bindings.
-package binding
+package binding // import "gonum.org/v1/gonum/internal/binding"
 
 import (
 	"bytes"
diff --git a/lapack/cgo/lapack.go b/lapack/cgo/lapack.go
index 803bc517..0ba3969f 100644
--- a/lapack/cgo/lapack.go
+++ b/lapack/cgo/lapack.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package cgo provides an interface to bindings for a C LAPACK library.
-package cgo
+package cgo // import "gonum.org/v1/gonum/lapack/cgo"
 
 import (
 	"math"
diff --git a/lapack/cgo/lapacke/lapacke.go b/lapack/cgo/lapacke/lapacke.go
index bd5953d6..47bda36f 100644
--- a/lapack/cgo/lapacke/lapacke.go
+++ b/lapack/cgo/lapacke/lapacke.go
@@ -7,7 +7,7 @@
 // Package lapacke provides bindings to the LAPACKE C Interface to LAPACK.
 //
 // Links are provided to the NETLIB fortran implementation/dependencies for each function.
-package lapacke
+package lapacke // import "gonum.org/v1/gonum/lapack/cgo/lapacke"
 
 /*
 #cgo CFLAGS: -g -O2
diff --git a/lapack/lapack64/lapack64.go b/lapack/lapack64/lapack64.go
index 095de163..eca7d6d0 100644
--- a/lapack/lapack64/lapack64.go
+++ b/lapack/lapack64/lapack64.go
@@ -17,7 +17,7 @@
 // The full set of Lapack functions is very large, and it is not clear that a
 // full implementation is desirable, let alone feasible. Please open up an issue
 // if there is a specific function you need and/or are willing to implement.
-package lapack64
+package lapack64 // import "gonum.org/v1/gonum/lapack/lapack64"
 
 import (
 	"gonum.org/v1/gonum/blas"
diff --git a/lapack/native/doc.go b/lapack/native/doc.go
index d622dc50..0984d11b 100644
--- a/lapack/native/doc.go
+++ b/lapack/native/doc.go
@@ -25,4 +25,4 @@
 // alone. Future additions will be focused on supporting the gonum matrix
 // package (https://godoc.org/github.com/gonum/matrix/mat64), though pull requests
 // with implementations and tests for LAPACK function are encouraged.
-package native
+package native // import "gonum.org/v1/gonum/lapack/native"
diff --git a/mathext/internal/cephes/cephes.go b/mathext/internal/cephes/cephes.go
index 3dfab9d0..e61f3465 100644
--- a/mathext/internal/cephes/cephes.go
+++ b/mathext/internal/cephes/cephes.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package cephes implements functions originally in the Netlib code by Stephen Mosher.
-package cephes
+package cephes // import "gonum.org/v1/gonum/mathext/internal/cephes"
 
 import "math"
 
diff --git a/matrix/cmat128/doc.go b/matrix/cmat128/doc.go
index c47b8ffd..f780d6cd 100644
--- a/matrix/cmat128/doc.go
+++ b/matrix/cmat128/doc.go
@@ -92,4 +92,4 @@
 // conversion has occurred through a cmat128 API function. Method behavior is undefined
 // if there is undetected overlap.
 //
-package cmat128
+package cmat128 // import "gonum.org/v1/gonum/matrix/cmat128"
diff --git a/matrix/conv/conv.go b/matrix/conv/conv.go
index 4b691123..d0f42609 100644
--- a/matrix/conv/conv.go
+++ b/matrix/conv/conv.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package conv provides matrix type interconversion utilities.
-package conv
+package conv // import "gonum.org/v1/gonum/matrix/conv"
 
 import (
 	"gonum.org/v1/gonum/matrix"
diff --git a/matrix/doc.go b/matrix/doc.go
index c94f8df1..382a8b9b 100644
--- a/matrix/doc.go
+++ b/matrix/doc.go
@@ -100,4 +100,4 @@
 // conversion has occurred through a matrix API function. Method behavior is undefined
 // if there is undetected overlap.
 //
-package matrix
+package matrix // import "gonum.org/v1/gonum/matrix"
diff --git a/matrix/mat64/doc.go b/matrix/mat64/doc.go
index 61335708..833339a0 100644
--- a/matrix/mat64/doc.go
+++ b/matrix/mat64/doc.go
@@ -155,4 +155,4 @@
 // conversion has occurred through a mat64 API function. Method behavior is undefined
 // if there is undetected overlap.
 //
-package mat64
+package mat64 // import "gonum.org/v1/gonum/matrix/mat64"
diff --git a/optimize/doc.go b/optimize/doc.go
index c1ad2820..1b05a639 100644
--- a/optimize/doc.go
+++ b/optimize/doc.go
@@ -3,4 +3,4 @@
 // license that can be found in the LICENSE file.
 
 // Package optimize implements algorithms for finding the optimum value of functions.
-package optimize
+package optimize // import "gonum.org/v1/gonum/optimize"
diff --git a/optimize/functions/validate.go b/optimize/functions/validate.go
index 1182d431..4444b045 100644
--- a/optimize/functions/validate.go
+++ b/optimize/functions/validate.go
@@ -8,7 +8,7 @@
 // We encourage outside contributions of additional test functions that exhibit
 // properties not already covered in the testing suite or that have
 // significance due to prior use as benchmark cases.
-package functions
+package functions // import "gonum.org/v1/gonum/optimize/functions"
 
 import (
 	"math"
diff --git a/stat/combin/combin.go b/stat/combin/combin.go
index 4dba68f2..4bd75a34 100644
--- a/stat/combin/combin.go
+++ b/stat/combin/combin.go
@@ -4,7 +4,7 @@
 
 // Package combin implements routines involving combinatorics (permutations,
 // combinations, etc.).
-package combin
+package combin // import "gonum.org/v1/gonum/stat/combin"
 
 import "math"
 
diff --git a/stat/distmat/general.go b/stat/distmat/general.go
index 9e778ef6..7a834e66 100644
--- a/stat/distmat/general.go
+++ b/stat/distmat/general.go
@@ -3,6 +3,6 @@
 // license that can be found in the LICENSE file.
 
 // Package distmat provides probability distributions over matrices.
-package distmat
+package distmat // import "gonum.org/v1/gonum/stat/distmat"
 
 var badDim = "distmat: dimension mismatch"
diff --git a/stat/distmv/general.go b/stat/distmv/general.go
index a7734a1f..9cb47eea 100644
--- a/stat/distmv/general.go
+++ b/stat/distmv/general.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package distmv provides multivariate random distribution types.
-package distmv
+package distmv // import "gonum.org/v1/gonum/stat/distmv"
 
 var (
 	badQuantile      = "distmv: quantile not between 0 and 1"
diff --git a/stat/distuv/general.go b/stat/distuv/general.go
index 8411c85e..d6717700 100644
--- a/stat/distuv/general.go
+++ b/stat/distuv/general.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package distuv provides univariate random distribution types.
-package distuv
+package distuv // import "gonum.org/v1/gonum/stat/distuv"
 
 import "math"
 
diff --git a/stat/samplemv/samplemv.go b/stat/samplemv/samplemv.go
index 3181e3d7..0d253ee9 100644
--- a/stat/samplemv/samplemv.go
+++ b/stat/samplemv/samplemv.go
@@ -8,7 +8,7 @@
 // Each sampling routine is implemented as a stateless function with a
 // complementary wrapper type. The wrapper types allow the sampling routines
 // to implement interfaces.
-package samplemv
+package samplemv // import "gonum.org/v1/gonum/stat/samplemv"
 
 import (
 	"errors"
diff --git a/stat/sampleuv/sample.go b/stat/sampleuv/sample.go
index e6137b95..5e870d3c 100644
--- a/stat/sampleuv/sample.go
+++ b/stat/sampleuv/sample.go
@@ -8,7 +8,7 @@
 // Each sampling routine is implemented as a stateless function with a
 // complementary wrapper type. The wrapper types allow the sampling routines
 // to implement interfaces.
-package sampleuv
+package sampleuv // import "gonum.org/v1/gonum/stat/sampleuv"
 
 import (
 	"errors"
diff --git a/stat/stat.go b/stat/stat.go
index e02778b0..9b62f1ec 100644
--- a/stat/stat.go
+++ b/stat/stat.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package stat provides generalized statistical functions.
-package stat
+package stat // import "gonum.org/v1/gonum/stat"
 
 import (
 	"math"
diff --git a/unit/doc.go b/unit/doc.go
index a559e29a..ed374a2a 100644
--- a/unit/doc.go
+++ b/unit/doc.go
@@ -90,4 +90,4 @@
 // torque are both expressed as force times distance (Newton-meters in SI),
 // but it is wrong to say that a torque of 10 N-m is the same as 10 J, even
 // though the dimensions agree.
-package unit
+package unit // import "gonum.org/v1/gonum/unit"