The version table was broken (GitHub-flavored markdown changed?)

README.md

@@ -242,8 +242,7 @@ I used the following Ubuntu deb packages to test this program.
 61  |Groovy             |groovy         |2.4.7-2
 62  |Haskell            |ghc            |7.10.3-9ubuntu1
 63  |Haxe               |haxe           |1:3.2.1+dfsg-1build3
-64  |Icon               |icont          |9.4.3-4.2ubuntu1
-    |                   |iconx          |9.4.3-4.2ubuntu1
+64  |Icon               |icont, iconx   |9.4.3-4.2ubuntu1
 65  |INTERCAL           |intercal       |30:0.30-1
 66  |Jasmin             |jasmin-sable   |2.5.0-1
 67  |Java               |openjdk-8-jdk  |8u121-b13-0ubuntu1.16.10.2

src/README.md.gen.rb

@@ -16,10 +16,17 @@
 end
 
 rows = [["\\#", "language", "ubuntu package", "version"]]
-rows += RunSteps.flat_map.with_index do |s, idx|
-  (s.apt.is_a?(Array) ? s.apt : [s.apt]).map.with_index do |apt, i|
-    [i == 0 ? (idx + 1).to_s : "", i == 0 ? s.name : "", apt || "*N/A*", pkg_versions[apt] || '-']
+rows += RunSteps.map.with_index do |s, idx|
+  if s.apt.is_a?(Array)
+    apt = s.apt.join(", ")
+    ver = pkg_versions.values_at(*s.apt)
+    raise if ver.uniq.size > 1
+    ver = ver.first
+  else
+    apt = s.apt || "*N/A*"
+    ver = pkg_versions[apt]
   end
+  [(idx + 1).to_s, s.name, apt, ver || "-"]
 end
 
 ws = rows.transpose.map {|row| row.map {|s| s.size }.max + 1 }