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-rw-r--r--prolog/problems/dcg/expr_3/common.py2
-rw-r--r--prolog/problems/dcg/expr_3/en.py2
2 files changed, 4 insertions, 0 deletions
diff --git a/prolog/problems/dcg/expr_3/common.py b/prolog/problems/dcg/expr_3/common.py
index daa5b31..651a1b9 100644
--- a/prolog/problems/dcg/expr_3/common.py
+++ b/prolog/problems/dcg/expr_3/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
id = 171
group = 'dcg'
number = 78
diff --git a/prolog/problems/dcg/expr_3/en.py b/prolog/problems/dcg/expr_3/en.py
index 3f91977..659503d 100644
--- a/prolog/problems/dcg/expr_3/en.py
+++ b/prolog/problems/dcg/expr_3/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
id = 171
name = 'expr/3'
slug = 'arithmetic expressions with meaning'