Warn users about missing glyphs in their fonts

coke · coke · commit 53f5d6ea404f · 2025-10-05T13:28:14.000-04:00
Closes #4296
diff --git a/doc/Language/unicode_entry.rakudoc b/doc/Language/unicode_entry.rakudoc
@@ -647,4 +647,10 @@ Or to specify the elements in a list from C<1> up to C<k>:
     A₁, A₂, ..., Aₖ
     =end code
 
+=head1 Font issues
+
+Some distributions contain fonts that do not contain all Unicode glyphs. If you have
+trouble viewing some glyphs, you may need to install a font like
+L<GNU Unifont|https://unifoundry.com/unifont/index.html>.
+
 =end pod
diff --git a/xt/pws/words.pws b/xt/pws/words.pws
@@ -1550,6 +1550,7 @@ unhandled
 unhidden
 unicmp
 unicodey
+unifont
 unimatch
 unimportable
 uniname
