[bug #60803] tr request does not warn when it can't translate an input space

[G. Branden Robinson]

Update of bug #60803 (project groff):

                  Status:                    None => In Progress            
             Assigned to:                    None => gbranden               

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Follow-up Comment #3:

I agree that a diagnostic would be useful for this.

I decided to make it an error, because there's no warning category well suited
for it, and unlike with warnings there is no reasonable fallback behavior for
what the user was trying to accomplish.


diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
index 758842972..c485b15a6 100644
--- a/src/roff/troff/input.cpp
+++ b/src/roff/troff/input.cpp
@@ -6982,6 +6982,7 @@ static void do_translate(int translate_transparent, int
translate_input)
       translate_space_to_dummy = tok.is_dummy();
       if (tok.is_newline() || tok.is_eof())
        break;
+      error("cannot translate space character; ignoring");
       tok.next();
       continue;
     }



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