Add info on .XMI, fix .A2M and .VGM pages

_library_formats/AdlibTracker2-A2M.html

@@ -1,13 +1,15 @@
 ---
 filename: AdlibTracker2.zip
 flags: "A DEPMS"
-extension: .A2M
+extension: .A2M, .A2T
 desc: Adlib Tracker 2
 ---
 <p>Ablib Tracker 2 is a tracker written in Free Pascal. The layout is similar to
-&quot;Amiga ProTracker&quot;, but with OPL2/3 instruments instead.</p>
+&quot;Amiga ProTracker&quot;, but with OPL2/3 instruments instead. Starting
+from version 9 each instrument may have rich macro capabilities (vibrato, tremolo
+and FM registers).</p>
 
-<p>Currently only file versions 1 through 8 are supported. Files version 9 and newer are not.</p>
+<p>Supported file versions from 1 to 14.</p>
 
 <p>
 <a href="http://adlibtracker.net/">Original homepage</a><br />

_library_formats/VideoGameMusic.html

@@ -17,4 +17,6 @@
 </p>
 
 <p>Format documentation is available
-<a href="https://vgmrips.net/wiki/VGM_File_Format">here</a>.</p>
+<a href="https://vgmrips.net/wiki/VGM_File_Format">here</a>.</p>
+<p>Library of .VGZ OPL1/2/3 files with online JS player: <a href="https://opl.wafflenet.com/">VGM OPL Collection</a></p>
+<p>Even bigger collections of multi-system VGM files: <a href="https://vgmrips.net/">VGM Rips</a></p>

_library_formats/XMIMIDI.html

@@ -0,0 +1,14 @@
+---
+filename: AIL2.ZIP
+flags: "A D PMS"
+extension: .XMI
+desc: XMI eXtended MIDI File Format
+---
+<p>The XMI (eXtended MIDI) File Format was created by Miles Design, Inc. for their AIL (Audio Interface Library).
+    It is based on the standard MIDI file format, but extends it with additional features such as OPL instrument
+    support and better timing control. XMI files were widely used in DOS games during the 1990s.</p>
+
+<p>
+    <a href="http://www.ke5fx.com/">Original author's homepage</a><br />
+    The AIL2.ZIP archive contains the AIL 2.14 SDK with source code for XMI playback and tools.
+</p>

default.css

@@ -47,3 +47,5 @@ ul {
 	margin-left: 2.0em;
 	margin-bottom: 2.0em;
 }
+
+table > pre, table > h1, table > h2, table > h3, table > h4, table > h5, table > h6 { margin: unset; }