[bug #62941] [troff] no warning when font family nonexistent

[G. Branden Robinson]

Update of bug #62941 (project groff):

                  Status:               Confirmed => In Progress            

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Follow-up Comment #4:

I have a fix.


diff --git a/src/roff/troff/env.cpp b/src/roff/troff/env.cpp
index 160c1378a..3e49a36da 100644
--- a/src/roff/troff/env.cpp
+++ b/src/roff/troff/env.cpp
@@ -567,8 +567,10 @@ void environment::set_family(symbol fam)
           (0 != "font family dictionary lookup"));
     if (0 /* nullptr */ == f)
       return;
-    if (f->make_definite(fontno) < 0)
+    if (f->make_definite(fontno) < 0) {
+      error("no font family named '%1' exists", fam.contents());
       return;
+    }
     prev_family = family;
     family = f;
   }



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