amend post "Portal on Linux": add captions for images

diff --git a/blag/post/portal-on-linux-fix-black-screen-without-textures.mdwn b/blag/post/portal-on-linux-fix-black-screen-without-textures.mdwn
index 128d852..f691780 100644 (file)
--- a/blag/post/portal-on-linux-fix-black-screen-without-textures.mdwn
+++ b/blag/post/portal-on-linux-fix-black-screen-without-textures.mdwn
@@ -25,8 +25,10 @@ Mesa :-)
 Before and after images (probably Copyright by Valve, but I consider this to be
 fair use):
 <div class="gallery">
-[[!img testchmb_a_000000.jpg alt="Before"]]
-[[!img testchmb_a_000002.jpg alt="After"]]
+[[!img testchmb_a_000000.jpg alt="Before" caption="Before installing
+    `libtxc-dxtn-s2tc0`. Only faint lines are visible."]]
+[[!img testchmb_a_000002.jpg alt="After" caption="After installing
+    libtxc-dxtn-s2tc0, everything is great."]]
 </div>
 
 [Portal]: http://store.steampowered.com/app/400/