Re: cex: clean the display of conflicted symbols

[Akim Demaille]

> Le 23 mai 2020 à 18:23, Akim Demaille <address@hidden> a écrit :
> 
> commit 1ec93ca2a2b4718b5d94871475520a2688b4c5c8
> Author: Akim Demaille <address@hidden>
> Date:   Sat May 23 18:17:57 2020 +0200
> 
>    cex: clean the display of conflicted symbols
> 
>    Instead of `On Symbols: {b,c,}`, display `On Symbols: b, c`.
> 
>    * src/counterexample.c (counterexample_report_reduce_reduce): We don't
>    need braces.
>    Use commas as a separator, not a terminator.
>    * tests/counterexample.at: Adjust.

For some reasons I managed to miss some cases.  Apologies.

commit 6ed813c122a5a52986f34d2d387223ec3af49c57
Author: Akim Demaille <address@hidden>
Date:   Sun May 24 15:16:15 2020 +0200

    tests: fix expectations
    
    Should have been part of 1ec93ca2a2b4718b5d94871475520a2688b4c5c8.
    
    * tests/counterexample.at: here.

diff --git a/tests/counterexample.at b/tests/counterexample.at
index 6cddb501..d8582000 100644
--- a/tests/counterexample.at
+++ b/tests/counterexample.at
@@ -440,7 +440,7 @@ Second derivation  $accept ::=[ a ::=[ c ::=[ • ]  d ::=[ c 
 A  A ] ]  $end ]
 Reduce-Reduce Conflict:
 2:    3 b: . %empty
 2:    4 c: . %empty
-On Symbols: {A,}
+On Symbols: A
 time limit exceeded: 6.000000
 First  Example b  •  c  A  A  $end
 First  derivation  $accept ::=[ a ::=[ b  d ::=[ a ::=[ b ::=[ • ]  d ::=[ c  
A  A ] ] ] ]  $end ]
@@ -450,7 +450,7 @@ Second derivation  $accept ::=[ a ::=[ b  d ::=[ c ::=[ • ] 
 A ] ]  $end ]
 Reduce-Reduce Conflict:
 3:    3 b: . %empty
 3:    4 c: . %empty
-On Symbols: {A,}
+On Symbols: A
 time limit exceeded: 6.000000
 First  Example c  •  c  A  A  $end
 First  derivation  $accept ::=[ a ::=[ c  d ::=[ a ::=[ b ::=[ • ]  d ::=[ c  
A  A ] ] ] ]  $end ]