Use "eu_categories" frontmatter attribute

Jekyll treats names like "category" and "categories" differently, so I chose to
name it "eu_categories" in order to avoid inheriting the special treatment, and
have full control of what a category means and how it behaves.

The _includes/category.html was changed to reflect that, with an extra coupled
change that makes it not specific to articles, but any collection type.

6 files changed, 88 insertions, 44 deletions

diff --git a/locale/fr/LC_MESSAGES/_articles/2020-08-31-the-database-i-wish-i-had.po b/locale/fr/LC_MESSAGES/_articles/2020-08-31-the-database-i-wish-i-had.po
index 216733d..753c699 100644
--- a/locale/fr/LC_MESSAGES/_articles/2020-08-31-the-database-i-wish-i-had.po
+++ b/locale/fr/LC_MESSAGES/_articles/2020-08-31-the-database-i-wish-i-had.po
@@ -3,16 +3,6 @@ msgid ""
 msgstr ""
 
 msgid ""
-"title: The database I wish I had\n"
-"date: 2020-08-31\n"
-"updated_at: 2020-09-03\n"
-"layout: post\n"
-"lang: en\n"
-"ref: the-database-i-wish-i-had\n"
-"category: mediator"
-msgstr ""
-
-msgid ""
 "I watched the talk \"[Platform as a Reflection of Values: Joyent, Node.js "
 "and beyond](https://vimeo.com/230142234)\" by Bryan Cantrill, and I think he"
 " was able to put into words something I already felt for some time: if "
@@ -397,3 +387,23 @@ msgid ""
 "\n"
 "I welcome corrections on what I said above, too.\n"
 msgstr ""
+
+msgid ""
+"title: The database I wish I had\n"
+"date: 2020-08-31\n"
+"updated_at: 2020-09-03\n"
+"layout: post\n"
+"lang: en\n"
+"ref: the-database-i-wish-i-had\n"
+"eu_categories: mediator"
+msgstr ""
+
+#~ msgid ""
+#~ "title: The database I wish I had\n"
+#~ "date: 2020-08-31\n"
+#~ "updated_at: 2020-09-03\n"
+#~ "layout: post\n"
+#~ "lang: en\n"
+#~ "ref: the-database-i-wish-i-had\n"
+#~ "category: mediator"
+#~ msgstr ""
diff --git a/locale/fr/LC_MESSAGES/_articles/2020-10-05-cargo2nix-dramatically-simpler-rust-in-nix.po b/locale/fr/LC_MESSAGES/_articles/2020-10-05-cargo2nix-dramatically-simpler-rust-in-nix.po
index e8f3d6e..cfee5dc 100644
--- a/locale/fr/LC_MESSAGES/_articles/2020-10-05-cargo2nix-dramatically-simpler-rust-in-nix.po
+++ b/locale/fr/LC_MESSAGES/_articles/2020-10-05-cargo2nix-dramatically-simpler-rust-in-nix.po
@@ -3,15 +3,6 @@ msgid ""
 msgstr ""
 
 msgid ""
-"title: \"cargo2nix: Dramatically simpler Rust in Nix\"\n"
-"date: 2020-10-05 2\n"
-"layout: post\n"
-"lang: en\n"
-"ref: cargo2nix-dramatically-simpler-rust-in-nix\n"
-"category: mediator"
-msgstr ""
-
-msgid ""
 "In the same vein of my earlier post on [swift2nix]({% link "
 "_articles/2020-10-05-swift2nix-run-swift-inside-nix-builds.md %}), I was "
 "able to quickly prototype a Rust and Cargo variation of it: "
@@ -89,3 +80,21 @@ msgid ""
 "cd cargo2nix-demo/\n"
 "nix-build\n"
 msgstr ""
+
+msgid ""
+"title: \"cargo2nix: Dramatically simpler Rust in Nix\"\n"
+"date: 2020-10-05 2\n"
+"layout: post\n"
+"lang: en\n"
+"ref: cargo2nix-dramatically-simpler-rust-in-nix\n"
+"eu_categories: mediator"
+msgstr ""
+
+#~ msgid ""
+#~ "title: \"cargo2nix: Dramatically simpler Rust in Nix\"\n"
+#~ "date: 2020-10-05 2\n"
+#~ "layout: post\n"
+#~ "lang: en\n"
+#~ "ref: cargo2nix-dramatically-simpler-rust-in-nix\n"
+#~ "category: mediator"
+#~ msgstr ""
diff --git a/locale/fr/LC_MESSAGES/_articles/2020-10-05-swift2nix-run-swift-inside-nix-builds.po b/locale/fr/LC_MESSAGES/_articles/2020-10-05-swift2nix-run-swift-inside-nix-builds.po
index 5719f51..8087e72 100644
--- a/locale/fr/LC_MESSAGES/_articles/2020-10-05-swift2nix-run-swift-inside-nix-builds.po
+++ b/locale/fr/LC_MESSAGES/_articles/2020-10-05-swift2nix-run-swift-inside-nix-builds.po
@@ -3,15 +3,6 @@ msgid ""
 msgstr ""
 
 msgid ""
-"title: \"swift2nix: Run Swift inside Nix builds\"\n"
-"date: 2020-10-05 1\n"
-"layout: post\n"
-"lang: en\n"
-"ref: swift2nix-run-swift-inside-nix-builds\n"
-"category: mediator"
-msgstr ""
-
-msgid ""
 "While working on a Swift project, I didn't find any tool that would allow "
 "Swift to run inside [Nix](https://nixos.org/) builds. Even thought you *can*"
 " run Swift, the real problem arises when using the package manager. It has "
@@ -282,3 +273,21 @@ msgid ""
 "nix-build -A swift2nix.release\n"
 "nix-build -A swift2nix.test\n"
 msgstr ""
+
+msgid ""
+"title: \"swift2nix: Run Swift inside Nix builds\"\n"
+"date: 2020-10-05 1\n"
+"layout: post\n"
+"lang: en\n"
+"ref: swift2nix-run-swift-inside-nix-builds\n"
+"eu_categories: mediator"
+msgstr ""
+
+#~ msgid ""
+#~ "title: \"swift2nix: Run Swift inside Nix builds\"\n"
+#~ "date: 2020-10-05 1\n"
+#~ "layout: post\n"
+#~ "lang: en\n"
+#~ "ref: swift2nix-run-swift-inside-nix-builds\n"
+#~ "category: mediator"
+#~ msgstr ""
diff --git a/locale/fr/LC_MESSAGES/_articles/2020-10-19-feature-flags-differences-between-backend-frontend-and-mobile.po b/locale/fr/LC_MESSAGES/_articles/2020-10-19-feature-flags-differences-between-backend-frontend-and-mobile.po
index 7f9cb36..89911ca 100644
--- a/locale/fr/LC_MESSAGES/_articles/2020-10-19-feature-flags-differences-between-backend-frontend-and-mobile.po
+++ b/locale/fr/LC_MESSAGES/_articles/2020-10-19-feature-flags-differences-between-backend-frontend-and-mobile.po
@@ -3,16 +3,6 @@ msgid ""
 msgstr ""
 
 msgid ""
-"title: \"Feature flags: differences between backend, frontend and mobile\"\n"
-"date: 2020-10-19\n"
-"updated_at: 2020-11-03\n"
-"layout: post\n"
-"lang: en\n"
-"ref: feature-flags-differences-between-backend-frontend-and-mobile\n"
-"category: presentation"
-msgstr ""
-
-msgid ""
 "*This article is derived from a [presentation][presentation] on the same "
 "subject.*"
 msgstr ""
@@ -432,3 +422,23 @@ msgid ""
 "  }\n"
 "}\n"
 msgstr ""
+
+msgid ""
+"title: \"Feature flags: differences between backend, frontend and mobile\"\n"
+"date: 2020-10-19\n"
+"updated_at: 2020-11-03\n"
+"layout: post\n"
+"lang: en\n"
+"ref: feature-flags-differences-between-backend-frontend-and-mobile\n"
+"eu_categories: presentation"
+msgstr ""
+
+#~ msgid ""
+#~ "title: \"Feature flags: differences between backend, frontend and mobile\"\n"
+#~ "date: 2020-10-19\n"
+#~ "updated_at: 2020-11-03\n"
+#~ "layout: post\n"
+#~ "lang: en\n"
+#~ "ref: feature-flags-differences-between-backend-frontend-and-mobile\n"
+#~ "category: presentation"
+#~ msgstr ""
diff --git a/locale/fr/LC_MESSAGES/_articles/2020-11-08-the-next-paradigm-shift-in-programming-video-review.po b/locale/fr/LC_MESSAGES/_articles/2020-11-08-the-next-paradigm-shift-in-programming-video-review.po
index 70ea4e6..953f769 100644
--- a/locale/fr/LC_MESSAGES/_articles/2020-11-08-the-next-paradigm-shift-in-programming-video-review.po
+++ b/locale/fr/LC_MESSAGES/_articles/2020-11-08-the-next-paradigm-shift-in-programming-video-review.po
@@ -17,9 +17,6 @@ msgstr ""
 msgid "ref: the-next-paradigm-shift-in-programming-video-review"
 msgstr ""
 
-msgid "category: video review"
-msgstr ""
-
 msgid ""
 "This is a review with comments of \"[The Next Paradigm Shift in "
 "Programming](https://www.youtube.com/watch?v=6YbK8o9rZfI)\", by Richard "
@@ -219,6 +216,12 @@ msgid ""
 "following shift be towards declarative programming?"
 msgstr ""
 
+msgid "eu_categories: video review"
+msgstr ""
+
+#~ msgid "category: video review"
+#~ msgstr ""
+
 #~ msgid ""
 #~ "This is something you can achieve with a library, like "
 #~ "[Redux](https://redux.js.org/) for JavaScript or re-frame for Clojure."
diff --git a/locale/fr/LC_MESSAGES/_articles/2020-11-12-durable-persistent-trees-and-parser-combinators-building-a-database.po b/locale/fr/LC_MESSAGES/_articles/2020-11-12-durable-persistent-trees-and-parser-combinators-building-a-database.po
index 5cb9491..19bc893 100644
--- a/locale/fr/LC_MESSAGES/_articles/2020-11-12-durable-persistent-trees-and-parser-combinators-building-a-database.po
+++ b/locale/fr/LC_MESSAGES/_articles/2020-11-12-durable-persistent-trees-and-parser-combinators-building-a-database.po
@@ -19,9 +19,6 @@ msgid ""
 "ref: durable-persistent-trees-and-parser-combinators-building-a-database"
 msgstr ""
 
-msgid "category: mediator"
-msgstr ""
-
 msgid ""
 "I've received with certain frequency messages from people wanting to know if"
 " I've made any progress on the database project [I've written about]({% link"
@@ -340,3 +337,9 @@ msgid ""
 "If any of those topics interest you, message me to discuss more or "
 "contribute! Patches welcome!"
 msgstr ""
+
+msgid "eu_categories: mediator"
+msgstr ""
+
+#~ msgid "category: mediator"
+#~ msgstr ""