Simplify matches.

home/dotfiles/config/fontconfig/fonts.conf

@@ -17,7 +17,7 @@
   <alias>
     <family>monospace</family>
     <prefer>
-      <family>Fantasque Sans Mono</family>
+      <family>Fira Code</family>
     </prefer>
   </alias>
   <alias>
@@ -27,24 +27,27 @@
     </prefer>
   </alias>
 
+  <!-- by default fontconfig assumes any unrecognized font is sans-serif, so -->
+  <!-- the fonts above now have /both/ families.  fix this. -->
+  <!-- note that "delete" applies to the first match -->
+  <match>
+    <test compare="eq" name="family">
+        <string>sans-serif</string>
+    </test>
+    <test compare="eq" name="family">
+        <string>monospace</string>
+    </test>
+    <edit mode="delete" name="family"/>
+  </match>
+
   <!-- emoji support -->
   <match>
     <test name="family">
       <string>serif</string>
     </test>
-    <edit name="family" mode="prepend" binding="weak">
-      <string>emoji</string>
-    </edit>
-  </match>
-  <match>
     <test name="family">
       <string>sans-serif</string>
     </test>
-    <edit name="family" mode="prepend" binding="weak">
-      <string>emoji</string>
-    </edit>
-  </match>
-  <match>
     <test name="family">
       <string>monospace</string>
     </test>
@@ -55,11 +58,21 @@
 
   <!-- powerline symbols -->
   <match>
-    <test name="family">
+    <test qual="any" name="family">
       <string>monospace</string>
     </test>
     <edit name="family" mode="prepend">
       <string>PowerlineSymbols</string>
     </edit>
   </match>
-</fontconfig>
+
+  <!-- nerd symbols -->
+  <match>
+    <test qual="any" name="family">
+      <string>monospace</string>
+    </test>
+    <edit name="family" mode="prepend">
+      <string>Symbols Nerd Font</string>
+    </edit>
+  </match>
+</fontconfig>