From 2eaf5f8014ced0ea5cff65782646fe209bf8dc2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Thu, 6 Dec 2018 13:17:25 +0100
Subject: Add a link on the line number in cover output

This will make it easier to send links to other people.
---
 lib/tools/priv/styles.css | 4 ++++
 lib/tools/src/cover.erl   | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/tools/priv/styles.css b/lib/tools/priv/styles.css
index e10e94e3ad..d4e3d79596 100644
--- a/lib/tools/priv/styles.css
+++ b/lib/tools/priv/styles.css
@@ -53,10 +53,12 @@ table thead {
   display: none;
 }
 table td.line,
+table td.line a,
 table td.hits {
   width: 20px;
   background: #eaeaea;
   text-align: center;
+  text-decoration: none;
   font-size: 11px;
   padding: 0 10px;
   color: #949494;
@@ -68,6 +70,7 @@ table td.hits {
   background-color: #f0f0f0;
 }
 tr.miss td.line,
+tr.miss td.line a,
 tr.miss td.hits {
   background-color: #ffdce0;
   border-color: #fdaeb7;
@@ -76,6 +79,7 @@ tr.miss td {
   background-color: #ffeef0;
 }
 tr.hit td.line,
+tr.hit td.line a,
 tr.hit td.hits {
   background-color: #cdffd8;
   border-color: #bef5cb;
diff --git a/lib/tools/src/cover.erl b/lib/tools/src/cover.erl
index d7269e3f27..4f3707d2ed 100644
--- a/lib/tools/src/cover.erl
+++ b/lib/tools/src/cover.erl
@@ -2563,8 +2563,9 @@ table_row(Line, L) ->
 table_data(Line, L, N) ->
    LineNoNL = Line -- "\n",
    ["<td class=\"line\" id=\"L",integer_to_list(L),"\">",
+    "<a href=\"#L",integer_to_list(L),"\">",
     integer_to_list(L),
-    "</td>\n",
+    "</a></td>\n",
    "<td class=\"hits\">",maybe_integer_to_list(N),"</td>\n",
    "<td class=\"source\"><code>",LineNoNL,"</code></td>\n</tr>\n"].
 
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