Tweak README to mention programming ligatures

Author: japhb

README.md

@@ -74,7 +74,9 @@ I specified the `font-family` for Ghostty above because the default font for Gho
 
 Notice how glyph sizes become inconsistent, several glyphs (including most of the vulgar fractions and arrows) overlap each other, the heart card suit and white chess pawn look different than their fellows, and so on.
 
-As font problems go, this is pretty minor however. For a whole different scale of font problems, consider `xterm` for example. By default on my Linux system if you just run `xterm`, it will use a low-res `bitmap` "fixed" font with approximately Unicode 3.0 support:
+As font problems go, this is pretty minor however.  There's even a benefit: this is the first screenshot that shows programming ligatures working (see the row of glyphs just above the emoji faces).
+
+For a whole different scale of font problems, consider `xterm` for example. By default on my Linux system if you just run `xterm`, it will use a low-res `bitmap` "fixed" font with approximately Unicode 3.0 support:
 
 ![Screenshot of quick test running on xterm using the Unicode fixed font](docs/images/quick-test-xterm-fixed-unicode-ruler.png)
 

lib/Terminal/Tests.rakumod

@@ -129,10 +129,13 @@ Notice how glyph sizes become inconsistent, several glyphs (including most of
 the vulgar fractions and arrows) overlap each other, the heart card suit and
 white chess pawn look different than their fellows, and so on.
 
-As font problems go, this is pretty minor however.  For a whole different scale
-of font problems, consider C<xterm> for example.  By default on my Linux system
-if you just run C<xterm>, it will use a low-res C<bitmap> "fixed" font with
-approximately Unicode 3.0 support:
+As font problems go, this is pretty minor however.  There's even a benefit:
+this is the first screenshot that shows programming ligatures working (see the
+row of glyphs just above the emoji faces).
+
+For a whole different scale of font problems, consider C<xterm> for example.
+By default on my Linux system if you just run C<xterm>, it will use a low-res
+C<bitmap> "fixed" font with approximately Unicode 3.0 support:
 
 L<Screenshot of quick test running on xterm using the Unicode fixed font|docs/images/quick-test-xterm-fixed-unicode-ruler.png>