20 files changed, 40 insertions, 0 deletions
diff --git a/prolog/problems/dcg/ab_2/common.py b/prolog/problems/dcg/ab_2/common.py
index 8cce3df..f473a0b 100644
--- a/prolog/problems/dcg/ab_2/common.py
+++ b/prolog/problems/dcg/ab_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 162
 group = 'dcg'
 number = 69
diff --git a/prolog/problems/dcg/ab_2/en.py b/prolog/problems/dcg/ab_2/en.py
index 8025081..20c8317 100644
--- a/prolog/problems/dcg/ab_2/en.py
+++ b/prolog/problems/dcg/ab_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 162
 name = 'ab/2'
 slug = 'a*b*'
diff --git a/prolog/problems/dcg/digit_2/common.py b/prolog/problems/dcg/digit_2/common.py
index 9b82f15..5b31e04 100644
--- a/prolog/problems/dcg/digit_2/common.py
+++ b/prolog/problems/dcg/digit_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 164
 group = 'dcg'
 number = 71
diff --git a/prolog/problems/dcg/digit_2/en.py b/prolog/problems/dcg/digit_2/en.py
index 200689d..3172a21 100644
--- a/prolog/problems/dcg/digit_2/en.py
+++ b/prolog/problems/dcg/digit_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 164
 name = 'digit/2'
 slug = 'a decimal digit'
diff --git a/prolog/problems/dcg/expr_2/common.py b/prolog/problems/dcg/expr_2/common.py
index 49059f2..f5c4aa0 100644
--- a/prolog/problems/dcg/expr_2/common.py
+++ b/prolog/problems/dcg/expr_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 170
 group = 'dcg'
 number = 77
diff --git a/prolog/problems/dcg/expr_2/en.py b/prolog/problems/dcg/expr_2/en.py
index 9b30551..d4b0dc9 100644
--- a/prolog/problems/dcg/expr_2/en.py
+++ b/prolog/problems/dcg/expr_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 170
 name = 'expr/2'
 slug = 'arithmetic expressions'
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'
diff --git a/prolog/problems/dcg/flower_2/common.py b/prolog/problems/dcg/flower_2/common.py
index d380722..5865da9 100644
--- a/prolog/problems/dcg/flower_2/common.py
+++ b/prolog/problems/dcg/flower_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 163
 group = 'dcg'
 number = 70
diff --git a/prolog/problems/dcg/flower_2/en.py b/prolog/problems/dcg/flower_2/en.py
index 85d1e73..0267278 100644
--- a/prolog/problems/dcg/flower_2/en.py
+++ b/prolog/problems/dcg/flower_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 163
 name = 'flower/2'
 slug = 'words like +++--+++'
diff --git a/prolog/problems/dcg/number_2/common.py b/prolog/problems/dcg/number_2/common.py
index e248891..6d33e12 100644
--- a/prolog/problems/dcg/number_2/common.py
+++ b/prolog/problems/dcg/number_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 165
 group = 'dcg'
 number = 72
diff --git a/prolog/problems/dcg/number_2/en.py b/prolog/problems/dcg/number_2/en.py
index 6a3d33e..8e88655 100644
--- a/prolog/problems/dcg/number_2/en.py
+++ b/prolog/problems/dcg/number_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 165
 name = 'number/2'
 slug = 'numbers with potential leading zeros'
diff --git a/prolog/problems/dcg/number_3/common.py b/prolog/problems/dcg/number_3/common.py
index cc4bde7..0e6f2b0 100644
--- a/prolog/problems/dcg/number_3/common.py
+++ b/prolog/problems/dcg/number_3/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 167
 group = 'dcg'
 number = 74
diff --git a/prolog/problems/dcg/number_3/en.py b/prolog/problems/dcg/number_3/en.py
index a7a22fa..b73e16d 100644
--- a/prolog/problems/dcg/number_3/en.py
+++ b/prolog/problems/dcg/number_3/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 167
 name = 'number/3'
 slug = 'numbers with meaning'
diff --git a/prolog/problems/dcg/number_proper_2/common.py b/prolog/problems/dcg/number_proper_2/common.py
index fdcc494..c6b535b 100644
--- a/prolog/problems/dcg/number_proper_2/common.py
+++ b/prolog/problems/dcg/number_proper_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 166
 group = 'dcg'
 number = 73
diff --git a/prolog/problems/dcg/number_proper_2/en.py b/prolog/problems/dcg/number_proper_2/en.py
index 37ad864..81ca5f6 100644
--- a/prolog/problems/dcg/number_proper_2/en.py
+++ b/prolog/problems/dcg/number_proper_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 166
 name = 'number_proper/2'
 slug = 'numbers without leading zeros'
diff --git a/prolog/problems/dcg/paren_2/common.py b/prolog/problems/dcg/paren_2/common.py
index ce5ec87..d5969a2 100644
--- a/prolog/problems/dcg/paren_2/common.py
+++ b/prolog/problems/dcg/paren_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 168
 group = 'dcg'
 number = 75
diff --git a/prolog/problems/dcg/paren_2/en.py b/prolog/problems/dcg/paren_2/en.py
index a4ab666..268b774 100644
--- a/prolog/problems/dcg/paren_2/en.py
+++ b/prolog/problems/dcg/paren_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 168
 name = 'paren/2'
 slug = 'properly nested parens'
diff --git a/prolog/problems/dcg/paren_3/common.py b/prolog/problems/dcg/paren_3/common.py
index cf7c439..4cda182 100644
--- a/prolog/problems/dcg/paren_3/common.py
+++ b/prolog/problems/dcg/paren_3/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 169
 group = 'dcg'
 number = 76
diff --git a/prolog/problems/dcg/paren_3/en.py b/prolog/problems/dcg/paren_3/en.py
index f4d4c3b..737f0ef 100644
--- a/prolog/problems/dcg/paren_3/en.py
+++ b/prolog/problems/dcg/paren_3/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 169
 name = 'paren/3'
 slug = 'properly nested parens with meaning'