diff --git a/examples/contrib/3_jugs_regular.csproj b/examples/contrib/3_jugs_regular.csproj
index 3a02ce22bb..3e30b4c3a1 100644
--- a/examples/contrib/3_jugs_regular.csproj
+++ b/examples/contrib/3_jugs_regular.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/SimpleProgramFSharp.fsproj b/examples/contrib/SimpleProgramFSharp.fsproj
index a660208ff8..5776843bcd 100644
--- a/examples/contrib/SimpleProgramFSharp.fsproj
+++ b/examples/contrib/SimpleProgramFSharp.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/a_puzzle.csproj b/examples/contrib/a_puzzle.csproj
index 445ac7e419..67bbba360e 100644
--- a/examples/contrib/a_puzzle.csproj
+++ b/examples/contrib/a_puzzle.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/a_round_of_golf.csproj b/examples/contrib/a_round_of_golf.csproj
index f3128ad196..862dfaddcb 100644
--- a/examples/contrib/a_round_of_golf.csproj
+++ b/examples/contrib/a_round_of_golf.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/all_interval.csproj b/examples/contrib/all_interval.csproj
index 52e2748577..1d009d0ad4 100644
--- a/examples/contrib/all_interval.csproj
+++ b/examples/contrib/all_interval.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/alldifferent_except_0.csproj b/examples/contrib/alldifferent_except_0.csproj
index ea265813e4..2c5e1d1a75 100644
--- a/examples/contrib/alldifferent_except_0.csproj
+++ b/examples/contrib/alldifferent_except_0.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/assignment.csproj b/examples/contrib/assignment.csproj
index a97021bdfa..ed65161107 100644
--- a/examples/contrib/assignment.csproj
+++ b/examples/contrib/assignment.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/broken_weights.csproj b/examples/contrib/broken_weights.csproj
index 7d029d83ce..7eb7076f79 100644
--- a/examples/contrib/broken_weights.csproj
+++ b/examples/contrib/broken_weights.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/bus_schedule.csproj b/examples/contrib/bus_schedule.csproj
index 2b82a544c1..04894c9d53 100644
--- a/examples/contrib/bus_schedule.csproj
+++ b/examples/contrib/bus_schedule.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/circuit.csproj b/examples/contrib/circuit.csproj
index 6ac25640cf..08c3c70179 100644
--- a/examples/contrib/circuit.csproj
+++ b/examples/contrib/circuit.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/circuit2.csproj b/examples/contrib/circuit2.csproj
index 6f6205ac7f..7db9fe93a1 100644
--- a/examples/contrib/circuit2.csproj
+++ b/examples/contrib/circuit2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/coins3.csproj b/examples/contrib/coins3.csproj
index 9e700adfeb..ff663a8da5 100644
--- a/examples/contrib/coins3.csproj
+++ b/examples/contrib/coins3.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/coins_grid.csproj b/examples/contrib/coins_grid.csproj
index 7500b78def..169bdfe767 100644
--- a/examples/contrib/coins_grid.csproj
+++ b/examples/contrib/coins_grid.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/combinatorial_auction2.csproj b/examples/contrib/combinatorial_auction2.csproj
index 44bf0614a1..7e246ca551 100644
--- a/examples/contrib/combinatorial_auction2.csproj
+++ b/examples/contrib/combinatorial_auction2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/contiguity_regular.csproj b/examples/contrib/contiguity_regular.csproj
index fd467708c3..e2d5294dd3 100644
--- a/examples/contrib/contiguity_regular.csproj
+++ b/examples/contrib/contiguity_regular.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/contiguity_transition.csproj b/examples/contrib/contiguity_transition.csproj
index b0af164fb1..5046b21e9d 100644
--- a/examples/contrib/contiguity_transition.csproj
+++ b/examples/contrib/contiguity_transition.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/costas_array.csproj b/examples/contrib/costas_array.csproj
index 377d10a74d..3fa206f1a0 100644
--- a/examples/contrib/costas_array.csproj
+++ b/examples/contrib/costas_array.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/covering_opl.csproj b/examples/contrib/covering_opl.csproj
index 5d496e9a57..0d2b724eca 100644
--- a/examples/contrib/covering_opl.csproj
+++ b/examples/contrib/covering_opl.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/crew.csproj b/examples/contrib/crew.csproj
index edabdfe3e6..d60851c088 100644
--- a/examples/contrib/crew.csproj
+++ b/examples/contrib/crew.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/crossword.csproj b/examples/contrib/crossword.csproj
index 4adcd06118..d1dfd579c1 100644
--- a/examples/contrib/crossword.csproj
+++ b/examples/contrib/crossword.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/crypta.csproj b/examples/contrib/crypta.csproj
index d87d4a5ac5..3ab94f9695 100644
--- a/examples/contrib/crypta.csproj
+++ b/examples/contrib/crypta.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/crypto.csproj b/examples/contrib/crypto.csproj
index 7fcfa802cc..44a62072b6 100644
--- a/examples/contrib/crypto.csproj
+++ b/examples/contrib/crypto.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/csdiet.csproj b/examples/contrib/csdiet.csproj
index b430cc3c5f..933d99a7fb 100644
--- a/examples/contrib/csdiet.csproj
+++ b/examples/contrib/csdiet.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/curious_set_of_integers.csproj b/examples/contrib/curious_set_of_integers.csproj
index 731e6fc946..6d6cd0be0f 100644
--- a/examples/contrib/curious_set_of_integers.csproj
+++ b/examples/contrib/curious_set_of_integers.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/debruijn.csproj b/examples/contrib/debruijn.csproj
index 3dbe5843e4..891e8ec1e5 100644
--- a/examples/contrib/debruijn.csproj
+++ b/examples/contrib/debruijn.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/discrete_tomography.csproj b/examples/contrib/discrete_tomography.csproj
index 0998bc044b..5af3303481 100644
--- a/examples/contrib/discrete_tomography.csproj
+++ b/examples/contrib/discrete_tomography.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/divisible_by_9_through_1.csproj b/examples/contrib/divisible_by_9_through_1.csproj
index 85008fbafe..7a3da7b57a 100644
--- a/examples/contrib/divisible_by_9_through_1.csproj
+++ b/examples/contrib/divisible_by_9_through_1.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/dudeney.csproj b/examples/contrib/dudeney.csproj
index 55c12582fa..88ce56fde9 100644
--- a/examples/contrib/dudeney.csproj
+++ b/examples/contrib/dudeney.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/einav_puzzle2.csproj b/examples/contrib/einav_puzzle2.csproj
index 8ce88b7ad1..a5d0460467 100644
--- a/examples/contrib/einav_puzzle2.csproj
+++ b/examples/contrib/einav_puzzle2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/eq10.csproj b/examples/contrib/eq10.csproj
index 135134ec54..c520f5cb21 100644
--- a/examples/contrib/eq10.csproj
+++ b/examples/contrib/eq10.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/eq20.csproj b/examples/contrib/eq20.csproj
index e3b944ec8d..03da44f457 100644
--- a/examples/contrib/eq20.csproj
+++ b/examples/contrib/eq20.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fill_a_pix.csproj b/examples/contrib/fill_a_pix.csproj
index 935b854b40..37d6a091ef 100644
--- a/examples/contrib/fill_a_pix.csproj
+++ b/examples/contrib/fill_a_pix.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsProgram.fsproj b/examples/contrib/fsProgram.fsproj
index bf9b7aa462..d99ddbfd1e 100644
--- a/examples/contrib/fsProgram.fsproj
+++ b/examples/contrib/fsProgram.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsdiet.fsproj b/examples/contrib/fsdiet.fsproj
index bc60a83f29..7660c732aa 100644
--- a/examples/contrib/fsdiet.fsproj
+++ b/examples/contrib/fsdiet.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsequality-inequality.fsproj b/examples/contrib/fsequality-inequality.fsproj
index 5a105125eb..86303037f2 100644
--- a/examples/contrib/fsequality-inequality.fsproj
+++ b/examples/contrib/fsequality-inequality.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsequality.fsproj b/examples/contrib/fsequality.fsproj
index 9a1ff33da4..7ff4865484 100644
--- a/examples/contrib/fsequality.fsproj
+++ b/examples/contrib/fsequality.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsinteger-linear-program.fsproj b/examples/contrib/fsinteger-linear-program.fsproj
index da7716ed78..970470b2a7 100644
--- a/examples/contrib/fsinteger-linear-program.fsproj
+++ b/examples/contrib/fsinteger-linear-program.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsintegerprogramming.fsproj b/examples/contrib/fsintegerprogramming.fsproj
index 07de25deb2..f315187e81 100644
--- a/examples/contrib/fsintegerprogramming.fsproj
+++ b/examples/contrib/fsintegerprogramming.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsknapsack.fsproj b/examples/contrib/fsknapsack.fsproj
index 2deaaab9be..698c3006f9 100644
--- a/examples/contrib/fsknapsack.fsproj
+++ b/examples/contrib/fsknapsack.fsproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/fslinearprogramming.fsproj b/examples/contrib/fslinearprogramming.fsproj
index 8129a9fb10..03c5615158 100644
--- a/examples/contrib/fslinearprogramming.fsproj
+++ b/examples/contrib/fslinearprogramming.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj b/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
index 9e47192247..019324aae0 100644
--- a/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
+++ b/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/fsnetwork-max-flow.fsproj b/examples/contrib/fsnetwork-max-flow.fsproj
index c709f2ba6c..96c9d5fa92 100644
--- a/examples/contrib/fsnetwork-max-flow.fsproj
+++ b/examples/contrib/fsnetwork-max-flow.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsnetwork-min-cost-flow.fsproj b/examples/contrib/fsnetwork-min-cost-flow.fsproj
index 4fc444be50..ab708a4caf 100644
--- a/examples/contrib/fsnetwork-min-cost-flow.fsproj
+++ b/examples/contrib/fsnetwork-min-cost-flow.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsrabbit-pheasant.fsproj b/examples/contrib/fsrabbit-pheasant.fsproj
index 739de2de77..51a39b0fa6 100644
--- a/examples/contrib/fsrabbit-pheasant.fsproj
+++ b/examples/contrib/fsrabbit-pheasant.fsproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/fsvolsay.fsproj b/examples/contrib/fsvolsay.fsproj
index 5a5eb948c5..55941d67ee 100644
--- a/examples/contrib/fsvolsay.fsproj
+++ b/examples/contrib/fsvolsay.fsproj
@@ -19,6 +19,6 @@
-
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diff --git a/examples/contrib/fsvolsay3-lpSolve.fsproj b/examples/contrib/fsvolsay3-lpSolve.fsproj
index 57d64da421..5e72436ddb 100644
--- a/examples/contrib/fsvolsay3-lpSolve.fsproj
+++ b/examples/contrib/fsvolsay3-lpSolve.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsvolsay3.fsproj b/examples/contrib/fsvolsay3.fsproj
index 42b79d0d87..180d398ab6 100644
--- a/examples/contrib/fsvolsay3.fsproj
+++ b/examples/contrib/fsvolsay3.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/furniture_moving.csproj b/examples/contrib/furniture_moving.csproj
index e1e32e7563..1b9431a501 100644
--- a/examples/contrib/furniture_moving.csproj
+++ b/examples/contrib/furniture_moving.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/furniture_moving_intervals.csproj b/examples/contrib/furniture_moving_intervals.csproj
index 52bf11477d..a68437e5a1 100644
--- a/examples/contrib/furniture_moving_intervals.csproj
+++ b/examples/contrib/furniture_moving_intervals.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/futoshiki.csproj b/examples/contrib/futoshiki.csproj
index efc5f28631..b820dea21f 100644
--- a/examples/contrib/futoshiki.csproj
+++ b/examples/contrib/futoshiki.csproj
@@ -19,6 +19,6 @@
-
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diff --git a/examples/contrib/golomb_ruler.csproj b/examples/contrib/golomb_ruler.csproj
index e050ba4dfd..9f5c314c48 100644
--- a/examples/contrib/golomb_ruler.csproj
+++ b/examples/contrib/golomb_ruler.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/grocery.csproj b/examples/contrib/grocery.csproj
index a1d0ac307e..db12bf7c98 100644
--- a/examples/contrib/grocery.csproj
+++ b/examples/contrib/grocery.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/hidato_table.csproj b/examples/contrib/hidato_table.csproj
index 792d8809e5..379ef3b93b 100644
--- a/examples/contrib/hidato_table.csproj
+++ b/examples/contrib/hidato_table.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/just_forgotten.csproj b/examples/contrib/just_forgotten.csproj
index 67e6ee78cc..2fe332d947 100644
--- a/examples/contrib/just_forgotten.csproj
+++ b/examples/contrib/just_forgotten.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/kakuro.csproj b/examples/contrib/kakuro.csproj
index ca68e42cac..05362737c7 100644
--- a/examples/contrib/kakuro.csproj
+++ b/examples/contrib/kakuro.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/kenken2.csproj b/examples/contrib/kenken2.csproj
index b7669b505f..37b3e9282c 100644
--- a/examples/contrib/kenken2.csproj
+++ b/examples/contrib/kenken2.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/killer_sudoku.csproj b/examples/contrib/killer_sudoku.csproj
index 19e4afe841..09ca05076f 100644
--- a/examples/contrib/killer_sudoku.csproj
+++ b/examples/contrib/killer_sudoku.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/labeled_dice.csproj b/examples/contrib/labeled_dice.csproj
index dc0e31788e..f154c49698 100644
--- a/examples/contrib/labeled_dice.csproj
+++ b/examples/contrib/labeled_dice.csproj
@@ -19,6 +19,6 @@
-
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diff --git a/examples/contrib/langford.csproj b/examples/contrib/langford.csproj
index d53eec1051..10a6c2c11d 100644
--- a/examples/contrib/langford.csproj
+++ b/examples/contrib/langford.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/least_diff.csproj b/examples/contrib/least_diff.csproj
index 4b9154ae96..142329ac2c 100644
--- a/examples/contrib/least_diff.csproj
+++ b/examples/contrib/least_diff.csproj
@@ -19,6 +19,6 @@
-
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diff --git a/examples/contrib/lectures.csproj b/examples/contrib/lectures.csproj
index 9dbb4eb7cc..4490aac6e7 100644
--- a/examples/contrib/lectures.csproj
+++ b/examples/contrib/lectures.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/magic_sequence.csproj b/examples/contrib/magic_sequence.csproj
index d3b6c674e2..213cb5f07b 100644
--- a/examples/contrib/magic_sequence.csproj
+++ b/examples/contrib/magic_sequence.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/magic_square.csproj b/examples/contrib/magic_square.csproj
index 9f6ec8d494..89c8159a55 100644
--- a/examples/contrib/magic_square.csproj
+++ b/examples/contrib/magic_square.csproj
@@ -19,6 +19,6 @@
-
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diff --git a/examples/contrib/magic_square_and_cards.csproj b/examples/contrib/magic_square_and_cards.csproj
index 05868e6650..9a1d9efb26 100644
--- a/examples/contrib/magic_square_and_cards.csproj
+++ b/examples/contrib/magic_square_and_cards.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/map.csproj b/examples/contrib/map.csproj
index 585f42f7f5..a78064a7a0 100644
--- a/examples/contrib/map.csproj
+++ b/examples/contrib/map.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/map2.csproj b/examples/contrib/map2.csproj
index e71883fea7..8439718a99 100644
--- a/examples/contrib/map2.csproj
+++ b/examples/contrib/map2.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/marathon2.csproj b/examples/contrib/marathon2.csproj
index eeff12b3bd..7455b4c14d 100644
--- a/examples/contrib/marathon2.csproj
+++ b/examples/contrib/marathon2.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/max_flow_taha.csproj b/examples/contrib/max_flow_taha.csproj
index 523c67beee..eb019e63ca 100644
--- a/examples/contrib/max_flow_taha.csproj
+++ b/examples/contrib/max_flow_taha.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/max_flow_winston1.csproj b/examples/contrib/max_flow_winston1.csproj
index 60622ee5c7..2c527f8388 100644
--- a/examples/contrib/max_flow_winston1.csproj
+++ b/examples/contrib/max_flow_winston1.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/minesweeper.csproj b/examples/contrib/minesweeper.csproj
index e1edceafef..12f2c2b4c7 100644
--- a/examples/contrib/minesweeper.csproj
+++ b/examples/contrib/minesweeper.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/mr_smith.csproj b/examples/contrib/mr_smith.csproj
index d37f6b35f8..f16beefa2c 100644
--- a/examples/contrib/mr_smith.csproj
+++ b/examples/contrib/mr_smith.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/nontransitive_dice.csproj b/examples/contrib/nontransitive_dice.csproj
index 00efffc454..a830b62b65 100644
--- a/examples/contrib/nontransitive_dice.csproj
+++ b/examples/contrib/nontransitive_dice.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/nqueens.csproj b/examples/contrib/nqueens.csproj
index 09912c8bbd..b4c2455cff 100644
--- a/examples/contrib/nqueens.csproj
+++ b/examples/contrib/nqueens.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/nurse_rostering_regular.csproj b/examples/contrib/nurse_rostering_regular.csproj
index 4cba6e51ea..b7ce85f2a8 100644
--- a/examples/contrib/nurse_rostering_regular.csproj
+++ b/examples/contrib/nurse_rostering_regular.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/nurse_rostering_transition.csproj b/examples/contrib/nurse_rostering_transition.csproj
index 87d4279bc5..78ae0acda8 100644
--- a/examples/contrib/nurse_rostering_transition.csproj
+++ b/examples/contrib/nurse_rostering_transition.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/olympic.csproj b/examples/contrib/olympic.csproj
index 3fc76894a3..fa185344c6 100644
--- a/examples/contrib/olympic.csproj
+++ b/examples/contrib/olympic.csproj
@@ -19,6 +19,6 @@
-
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diff --git a/examples/contrib/organize_day.csproj b/examples/contrib/organize_day.csproj
index cb43fb67f9..6375f01887 100644
--- a/examples/contrib/organize_day.csproj
+++ b/examples/contrib/organize_day.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/organize_day_intervals.csproj b/examples/contrib/organize_day_intervals.csproj
index 5aee353bae..865e7f3bec 100644
--- a/examples/contrib/organize_day_intervals.csproj
+++ b/examples/contrib/organize_day_intervals.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/p_median.csproj b/examples/contrib/p_median.csproj
index 44d0d5b6a4..e27245ddfc 100644
--- a/examples/contrib/p_median.csproj
+++ b/examples/contrib/p_median.csproj
@@ -19,6 +19,6 @@
-
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diff --git a/examples/contrib/pandigital_numbers.csproj b/examples/contrib/pandigital_numbers.csproj
index 693dcedf69..d45e6ecadf 100644
--- a/examples/contrib/pandigital_numbers.csproj
+++ b/examples/contrib/pandigital_numbers.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/partition.csproj b/examples/contrib/partition.csproj
index 5987cfe28e..c31760e0f8 100644
--- a/examples/contrib/partition.csproj
+++ b/examples/contrib/partition.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/perfect_square_sequence.csproj b/examples/contrib/perfect_square_sequence.csproj
index b81cccd0c7..0a6ae37b1f 100644
--- a/examples/contrib/perfect_square_sequence.csproj
+++ b/examples/contrib/perfect_square_sequence.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/photo_problem.csproj b/examples/contrib/photo_problem.csproj
index c2040ed318..1967cff4e4 100644
--- a/examples/contrib/photo_problem.csproj
+++ b/examples/contrib/photo_problem.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/place_number_puzzle.csproj b/examples/contrib/place_number_puzzle.csproj
index e2d74d4b1e..9d3d2a8bb1 100644
--- a/examples/contrib/place_number_puzzle.csproj
+++ b/examples/contrib/place_number_puzzle.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/post_office_problem2.csproj b/examples/contrib/post_office_problem2.csproj
index d526e1eeaa..56b18ec04f 100644
--- a/examples/contrib/post_office_problem2.csproj
+++ b/examples/contrib/post_office_problem2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/quasigroup_completion.csproj b/examples/contrib/quasigroup_completion.csproj
index 3328fc72b1..19e886e940 100644
--- a/examples/contrib/quasigroup_completion.csproj
+++ b/examples/contrib/quasigroup_completion.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/regex.csproj b/examples/contrib/regex.csproj
index e9506b1995..0cb3b9ba58 100644
--- a/examples/contrib/regex.csproj
+++ b/examples/contrib/regex.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/rogo2.csproj b/examples/contrib/rogo2.csproj
index 7ef7fedea0..9357dc1522 100644
--- a/examples/contrib/rogo2.csproj
+++ b/examples/contrib/rogo2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/scheduling_speakers.csproj b/examples/contrib/scheduling_speakers.csproj
index 6c96be63f3..4fa5f928ac 100644
--- a/examples/contrib/scheduling_speakers.csproj
+++ b/examples/contrib/scheduling_speakers.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/secret_santa.csproj b/examples/contrib/secret_santa.csproj
index 82a816f263..2f796bdf8c 100644
--- a/examples/contrib/secret_santa.csproj
+++ b/examples/contrib/secret_santa.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/secret_santa2.csproj b/examples/contrib/secret_santa2.csproj
index ee03c827ac..b35d8bf325 100644
--- a/examples/contrib/secret_santa2.csproj
+++ b/examples/contrib/secret_santa2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/send_more_money.csproj b/examples/contrib/send_more_money.csproj
index 77ae85e9fc..0f52dc420a 100644
--- a/examples/contrib/send_more_money.csproj
+++ b/examples/contrib/send_more_money.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/send_more_money2.csproj b/examples/contrib/send_more_money2.csproj
index ff7d77ae87..e645f769b2 100644
--- a/examples/contrib/send_more_money2.csproj
+++ b/examples/contrib/send_more_money2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/send_most_money.csproj b/examples/contrib/send_most_money.csproj
index 08d6dc7a85..9ada1f393c 100644
--- a/examples/contrib/send_most_money.csproj
+++ b/examples/contrib/send_most_money.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/seseman.csproj b/examples/contrib/seseman.csproj
index a20a19014f..465d01cdca 100644
--- a/examples/contrib/seseman.csproj
+++ b/examples/contrib/seseman.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering.csproj b/examples/contrib/set_covering.csproj
index 02164c3fab..b55373df87 100644
--- a/examples/contrib/set_covering.csproj
+++ b/examples/contrib/set_covering.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering2.csproj b/examples/contrib/set_covering2.csproj
index 6abbb9283f..9a5ce7835d 100644
--- a/examples/contrib/set_covering2.csproj
+++ b/examples/contrib/set_covering2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering3.csproj b/examples/contrib/set_covering3.csproj
index 75da21613e..0c5ffdb22d 100644
--- a/examples/contrib/set_covering3.csproj
+++ b/examples/contrib/set_covering3.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering4.csproj b/examples/contrib/set_covering4.csproj
index 56d78b73d7..3e11349d12 100644
--- a/examples/contrib/set_covering4.csproj
+++ b/examples/contrib/set_covering4.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering_deployment.csproj b/examples/contrib/set_covering_deployment.csproj
index d3cfbeb784..36093cec6d 100644
--- a/examples/contrib/set_covering_deployment.csproj
+++ b/examples/contrib/set_covering_deployment.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering_skiena.csproj b/examples/contrib/set_covering_skiena.csproj
index b23341fbc7..7eaaa70a0e 100644
--- a/examples/contrib/set_covering_skiena.csproj
+++ b/examples/contrib/set_covering_skiena.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_partition.csproj b/examples/contrib/set_partition.csproj
index 2f066f4f90..c6fcd7a0e3 100644
--- a/examples/contrib/set_partition.csproj
+++ b/examples/contrib/set_partition.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/sicherman_dice.csproj b/examples/contrib/sicherman_dice.csproj
index 90e1398c4e..a12971b9d0 100644
--- a/examples/contrib/sicherman_dice.csproj
+++ b/examples/contrib/sicherman_dice.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/ski_assignment.csproj b/examples/contrib/ski_assignment.csproj
index 2b65f3bf22..dcd6a94bf2 100644
--- a/examples/contrib/ski_assignment.csproj
+++ b/examples/contrib/ski_assignment.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/stable_marriage.csproj b/examples/contrib/stable_marriage.csproj
index 5fab20899e..27084fdcb4 100644
--- a/examples/contrib/stable_marriage.csproj
+++ b/examples/contrib/stable_marriage.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/strimko2.csproj b/examples/contrib/strimko2.csproj
index e2b93f6222..14016fca01 100644
--- a/examples/contrib/strimko2.csproj
+++ b/examples/contrib/strimko2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/subset_sum.csproj b/examples/contrib/subset_sum.csproj
index f91d6df5e0..bda991ec3a 100644
--- a/examples/contrib/subset_sum.csproj
+++ b/examples/contrib/subset_sum.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/sudoku.csproj b/examples/contrib/sudoku.csproj
index 057aba4178..f9649a0756 100644
--- a/examples/contrib/sudoku.csproj
+++ b/examples/contrib/sudoku.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/survo_puzzle.csproj b/examples/contrib/survo_puzzle.csproj
index d2aafb58d1..fa74635d92 100644
--- a/examples/contrib/survo_puzzle.csproj
+++ b/examples/contrib/survo_puzzle.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/to_num.csproj b/examples/contrib/to_num.csproj
index 853c8f42ab..f3649d8be9 100644
--- a/examples/contrib/to_num.csproj
+++ b/examples/contrib/to_num.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/traffic_lights.csproj b/examples/contrib/traffic_lights.csproj
index 07c869824c..002c92f897 100644
--- a/examples/contrib/traffic_lights.csproj
+++ b/examples/contrib/traffic_lights.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/volsay.csproj b/examples/contrib/volsay.csproj
index 88efdb7ed5..61f65ba6c3 100644
--- a/examples/contrib/volsay.csproj
+++ b/examples/contrib/volsay.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/volsay2.csproj b/examples/contrib/volsay2.csproj
index 74c2991db4..601760585e 100644
--- a/examples/contrib/volsay2.csproj
+++ b/examples/contrib/volsay2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/volsay3.csproj b/examples/contrib/volsay3.csproj
index 1f72634fff..9a4a69b719 100644
--- a/examples/contrib/volsay3.csproj
+++ b/examples/contrib/volsay3.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/wedding_optimal_chart.csproj b/examples/contrib/wedding_optimal_chart.csproj
index 6b08412b19..36fdcfff89 100644
--- a/examples/contrib/wedding_optimal_chart.csproj
+++ b/examples/contrib/wedding_optimal_chart.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/who_killed_agatha.csproj b/examples/contrib/who_killed_agatha.csproj
index 421a5ee2f8..7125635c16 100644
--- a/examples/contrib/who_killed_agatha.csproj
+++ b/examples/contrib/who_killed_agatha.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/word_square.csproj b/examples/contrib/word_square.csproj
index df0b43c968..eceed952ce 100644
--- a/examples/contrib/word_square.csproj
+++ b/examples/contrib/word_square.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/xkcd.csproj b/examples/contrib/xkcd.csproj
index 6368eb2d22..42a4cc4883 100644
--- a/examples/contrib/xkcd.csproj
+++ b/examples/contrib/xkcd.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/young_tableaux.csproj b/examples/contrib/young_tableaux.csproj
index 14db48fdd2..71640258b8 100644
--- a/examples/contrib/young_tableaux.csproj
+++ b/examples/contrib/young_tableaux.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/zebra.csproj b/examples/contrib/zebra.csproj
index 1235f11e23..9c049ead84 100644
--- a/examples/contrib/zebra.csproj
+++ b/examples/contrib/zebra.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/BalanceGroupSat.csproj b/examples/dotnet/BalanceGroupSat.csproj
index 285a12af77..a6fab5b90d 100644
--- a/examples/dotnet/BalanceGroupSat.csproj
+++ b/examples/dotnet/BalanceGroupSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/GateSchedulingSat.csproj b/examples/dotnet/GateSchedulingSat.csproj
index 902d390b6e..a09b8b9efe 100644
--- a/examples/dotnet/GateSchedulingSat.csproj
+++ b/examples/dotnet/GateSchedulingSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/JobshopFt06Sat.csproj b/examples/dotnet/JobshopFt06Sat.csproj
index c55a8f5966..8f9a2ae7d3 100644
--- a/examples/dotnet/JobshopFt06Sat.csproj
+++ b/examples/dotnet/JobshopFt06Sat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/JobshopSat.csproj b/examples/dotnet/JobshopSat.csproj
index 296844fec8..d6c2a51af4 100644
--- a/examples/dotnet/JobshopSat.csproj
+++ b/examples/dotnet/JobshopSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/NetworkRoutingSat.csproj b/examples/dotnet/NetworkRoutingSat.csproj
index 5a309c672e..a5d279e7b2 100644
--- a/examples/dotnet/NetworkRoutingSat.csproj
+++ b/examples/dotnet/NetworkRoutingSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/NursesSat.csproj b/examples/dotnet/NursesSat.csproj
index c434412a13..8568c4d5e2 100644
--- a/examples/dotnet/NursesSat.csproj
+++ b/examples/dotnet/NursesSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/ShiftSchedulingSat.csproj b/examples/dotnet/ShiftSchedulingSat.csproj
index 3108caff01..e9efb939ce 100644
--- a/examples/dotnet/ShiftSchedulingSat.csproj
+++ b/examples/dotnet/ShiftSchedulingSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/SpeakerSchedulingSat.csproj b/examples/dotnet/SpeakerSchedulingSat.csproj
index bb2c9b883a..8ed0f4b162 100644
--- a/examples/dotnet/SpeakerSchedulingSat.csproj
+++ b/examples/dotnet/SpeakerSchedulingSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/TaskSchedulingSat.csproj b/examples/dotnet/TaskSchedulingSat.csproj
index 6a7e49e5d7..a7215630af 100644
--- a/examples/dotnet/TaskSchedulingSat.csproj
+++ b/examples/dotnet/TaskSchedulingSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/cscvrptw.csproj b/examples/dotnet/cscvrptw.csproj
index 80ace40d4f..cc8f600b1f 100644
--- a/examples/dotnet/cscvrptw.csproj
+++ b/examples/dotnet/cscvrptw.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/csflow.csproj b/examples/dotnet/csflow.csproj
index 949b70559f..0a91c2bb23 100644
--- a/examples/dotnet/csflow.csproj
+++ b/examples/dotnet/csflow.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/csintegerprogramming.csproj b/examples/dotnet/csintegerprogramming.csproj
index 40e2b7d528..ca592d3dc9 100644
--- a/examples/dotnet/csintegerprogramming.csproj
+++ b/examples/dotnet/csintegerprogramming.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/csknapsack.csproj b/examples/dotnet/csknapsack.csproj
index ce1aec9556..e5c5d569f5 100644
--- a/examples/dotnet/csknapsack.csproj
+++ b/examples/dotnet/csknapsack.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/cslinearprogramming.csproj b/examples/dotnet/cslinearprogramming.csproj
index dc8f948ac0..67cc4c4362 100644
--- a/examples/dotnet/cslinearprogramming.csproj
+++ b/examples/dotnet/cslinearprogramming.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/csls_api.csproj b/examples/dotnet/csls_api.csproj
index e199e18f9f..0a42f52206 100644
--- a/examples/dotnet/csls_api.csproj
+++ b/examples/dotnet/csls_api.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/csrabbitspheasants.csproj b/examples/dotnet/csrabbitspheasants.csproj
index 3deaae68ae..b808201940 100644
--- a/examples/dotnet/csrabbitspheasants.csproj
+++ b/examples/dotnet/csrabbitspheasants.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/cstsp.csproj b/examples/dotnet/cstsp.csproj
index 3c3f955a7d..5e0553f902 100644
--- a/examples/dotnet/cstsp.csproj
+++ b/examples/dotnet/cstsp.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/tests/ConstraintSolverTests.csproj b/examples/tests/ConstraintSolverTests.csproj
index 9e9ccab79a..ca27bd59d4 100644
--- a/examples/tests/ConstraintSolverTests.csproj
+++ b/examples/tests/ConstraintSolverTests.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/LinearSolverTests.csproj b/examples/tests/LinearSolverTests.csproj
index 66eccf7f85..d8943ff2a8 100644
--- a/examples/tests/LinearSolverTests.csproj
+++ b/examples/tests/LinearSolverTests.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/RoutingSolverTests.csproj b/examples/tests/RoutingSolverTests.csproj
index 2da534be21..6a5dc26994 100644
--- a/examples/tests/RoutingSolverTests.csproj
+++ b/examples/tests/RoutingSolverTests.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/SatSolverTests.csproj b/examples/tests/SatSolverTests.csproj
index 333eba4fa2..8eb0828d5c 100644
--- a/examples/tests/SatSolverTests.csproj
+++ b/examples/tests/SatSolverTests.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/issue18.csproj b/examples/tests/issue18.csproj
index 0f7ff1f4e2..90780fc8d3 100644
--- a/examples/tests/issue18.csproj
+++ b/examples/tests/issue18.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/issue22.csproj b/examples/tests/issue22.csproj
index f0543ad19f..96022add75 100644
--- a/examples/tests/issue22.csproj
+++ b/examples/tests/issue22.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/issue33.csproj b/examples/tests/issue33.csproj
index 317325217e..d4db5dfd25 100644
--- a/examples/tests/issue33.csproj
+++ b/examples/tests/issue33.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/ortools/algorithms/samples/Knapsack.csproj b/ortools/algorithms/samples/Knapsack.csproj
index ff4059b8d2..d5b9086852 100644
--- a/ortools/algorithms/samples/Knapsack.csproj
+++ b/ortools/algorithms/samples/Knapsack.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/SimpleCpProgram.csproj b/ortools/constraint_solver/samples/SimpleCpProgram.csproj
index bc43885817..cb6e96cf49 100644
--- a/ortools/constraint_solver/samples/SimpleCpProgram.csproj
+++ b/ortools/constraint_solver/samples/SimpleCpProgram.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj b/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
index b7cf1436ea..3851b15462 100644
--- a/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
+++ b/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/Tsp.csproj b/ortools/constraint_solver/samples/Tsp.csproj
index 5772fb7511..4fef7e6b90 100644
--- a/ortools/constraint_solver/samples/Tsp.csproj
+++ b/ortools/constraint_solver/samples/Tsp.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/TspCircuitBoard.csproj b/ortools/constraint_solver/samples/TspCircuitBoard.csproj
index b21350a465..398df70834 100644
--- a/ortools/constraint_solver/samples/TspCircuitBoard.csproj
+++ b/ortools/constraint_solver/samples/TspCircuitBoard.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/TspCities.csproj b/ortools/constraint_solver/samples/TspCities.csproj
index e95034d719..cedfc7ca1f 100644
--- a/ortools/constraint_solver/samples/TspCities.csproj
+++ b/ortools/constraint_solver/samples/TspCities.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/TspDistanceMatrix.csproj b/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
index c7b38cbef2..d30220894f 100644
--- a/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
+++ b/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/Vrp.csproj b/ortools/constraint_solver/samples/Vrp.csproj
index 9ac6b47f1d..b90db91869 100644
--- a/ortools/constraint_solver/samples/Vrp.csproj
+++ b/ortools/constraint_solver/samples/Vrp.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpCapacity.csproj b/ortools/constraint_solver/samples/VrpCapacity.csproj
index ac8e57c12b..fc4dfcad4d 100644
--- a/ortools/constraint_solver/samples/VrpCapacity.csproj
+++ b/ortools/constraint_solver/samples/VrpCapacity.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpDropNodes.csproj b/ortools/constraint_solver/samples/VrpDropNodes.csproj
index 6dbf2c314f..e4d66a558b 100644
--- a/ortools/constraint_solver/samples/VrpDropNodes.csproj
+++ b/ortools/constraint_solver/samples/VrpDropNodes.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpGlobalSpan.csproj b/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
index 874f1f51f2..efe7ff231d 100644
--- a/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
+++ b/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpInitialRoutes.csproj b/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
index 754a75d56b..888b361363 100644
--- a/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
+++ b/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpPickupDelivery.csproj b/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
index 974b436cb3..adb425e505 100644
--- a/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj b/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
index d2ec8608d8..9a782e4424 100644
--- a/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj b/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
index 43afae194b..89728bd957 100644
--- a/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpResources.csproj b/ortools/constraint_solver/samples/VrpResources.csproj
index d1fd1802a8..b6d5e2caf6 100644
--- a/ortools/constraint_solver/samples/VrpResources.csproj
+++ b/ortools/constraint_solver/samples/VrpResources.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpStartsEnds.csproj b/ortools/constraint_solver/samples/VrpStartsEnds.csproj
index 09b914d751..23d5d41cbf 100644
--- a/ortools/constraint_solver/samples/VrpStartsEnds.csproj
+++ b/ortools/constraint_solver/samples/VrpStartsEnds.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/ortools/constraint_solver/samples/VrpTimeWindows.csproj b/ortools/constraint_solver/samples/VrpTimeWindows.csproj
index 4c010f1ce3..dea4e313d1 100644
--- a/ortools/constraint_solver/samples/VrpTimeWindows.csproj
+++ b/ortools/constraint_solver/samples/VrpTimeWindows.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj b/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
index 74b6bf83bf..f4af8d13b3 100644
--- a/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
+++ b/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/graph/samples/SimpleMaxFlowProgram.csproj b/ortools/graph/samples/SimpleMaxFlowProgram.csproj
index 9adc70c2fc..aa507933d3 100644
--- a/ortools/graph/samples/SimpleMaxFlowProgram.csproj
+++ b/ortools/graph/samples/SimpleMaxFlowProgram.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/graph/samples/SimpleMinCostFlowProgram.csproj b/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
index 5cba745f25..9c0b179343 100644
--- a/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
+++ b/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/linear_solver/samples/AssignmentMip.csproj b/ortools/linear_solver/samples/AssignmentMip.csproj
index cda92658f6..97520bb6e2 100644
--- a/ortools/linear_solver/samples/AssignmentMip.csproj
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@@ -19,6 +19,6 @@
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diff --git a/ortools/linear_solver/samples/BinPackingMip.csproj b/ortools/linear_solver/samples/BinPackingMip.csproj
index 8c015ca88d..e3222a7ef8 100644
--- a/ortools/linear_solver/samples/BinPackingMip.csproj
+++ b/ortools/linear_solver/samples/BinPackingMip.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/linear_solver/samples/LinearProgrammingExample.csproj b/ortools/linear_solver/samples/LinearProgrammingExample.csproj
index 9e70db1f46..e233a06eee 100644
--- a/ortools/linear_solver/samples/LinearProgrammingExample.csproj
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@@ -19,6 +19,6 @@
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diff --git a/ortools/linear_solver/samples/MipVarArray.csproj b/ortools/linear_solver/samples/MipVarArray.csproj
index 073560400e..b3076ea4bd 100644
--- a/ortools/linear_solver/samples/MipVarArray.csproj
+++ b/ortools/linear_solver/samples/MipVarArray.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/linear_solver/samples/MultipleKnapsackMip.csproj b/ortools/linear_solver/samples/MultipleKnapsackMip.csproj
index 5a34ffe2ac..b4c1bad489 100644
--- a/ortools/linear_solver/samples/MultipleKnapsackMip.csproj
+++ b/ortools/linear_solver/samples/MultipleKnapsackMip.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/linear_solver/samples/SimpleLpProgram.csproj b/ortools/linear_solver/samples/SimpleLpProgram.csproj
index fc94e75bfc..961bf61376 100644
--- a/ortools/linear_solver/samples/SimpleLpProgram.csproj
+++ b/ortools/linear_solver/samples/SimpleLpProgram.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/linear_solver/samples/SimpleMipProgram.csproj b/ortools/linear_solver/samples/SimpleMipProgram.csproj
index a7f471f3d2..b5f947cad4 100644
--- a/ortools/linear_solver/samples/SimpleMipProgram.csproj
+++ b/ortools/linear_solver/samples/SimpleMipProgram.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/AssignmentSat.csproj b/ortools/sat/samples/AssignmentSat.csproj
index f861a3a53d..772f58df7b 100644
--- a/ortools/sat/samples/AssignmentSat.csproj
+++ b/ortools/sat/samples/AssignmentSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/BinPackingProblemSat.csproj b/ortools/sat/samples/BinPackingProblemSat.csproj
index 3945d9196b..914417d5b2 100644
--- a/ortools/sat/samples/BinPackingProblemSat.csproj
+++ b/ortools/sat/samples/BinPackingProblemSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/BoolOrSampleSat.csproj b/ortools/sat/samples/BoolOrSampleSat.csproj
index c49ecea111..537a20de7e 100644
--- a/ortools/sat/samples/BoolOrSampleSat.csproj
+++ b/ortools/sat/samples/BoolOrSampleSat.csproj
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diff --git a/ortools/sat/samples/ChannelingSampleSat.csproj b/ortools/sat/samples/ChannelingSampleSat.csproj
index c1342115be..47c359fb5e 100644
--- a/ortools/sat/samples/ChannelingSampleSat.csproj
+++ b/ortools/sat/samples/ChannelingSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/CpIsFunSat.csproj b/ortools/sat/samples/CpIsFunSat.csproj
index 02d74f6b2b..ba0f784ff5 100644
--- a/ortools/sat/samples/CpIsFunSat.csproj
+++ b/ortools/sat/samples/CpIsFunSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj b/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
index c181eb6fca..c2217ad8dd 100644
--- a/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
+++ b/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/IntervalSampleSat.csproj b/ortools/sat/samples/IntervalSampleSat.csproj
index a3c393754a..4b30254024 100644
--- a/ortools/sat/samples/IntervalSampleSat.csproj
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@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/LiteralSampleSat.csproj b/ortools/sat/samples/LiteralSampleSat.csproj
index 60e4378e17..2619176eca 100644
--- a/ortools/sat/samples/LiteralSampleSat.csproj
+++ b/ortools/sat/samples/LiteralSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/NoOverlapSampleSat.csproj b/ortools/sat/samples/NoOverlapSampleSat.csproj
index 90fb779cb0..bcd574d2fe 100644
--- a/ortools/sat/samples/NoOverlapSampleSat.csproj
+++ b/ortools/sat/samples/NoOverlapSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/OptionalIntervalSampleSat.csproj b/ortools/sat/samples/OptionalIntervalSampleSat.csproj
index 3c7b699f4d..28f08060dd 100644
--- a/ortools/sat/samples/OptionalIntervalSampleSat.csproj
+++ b/ortools/sat/samples/OptionalIntervalSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/RabbitsAndPheasantsSat.csproj b/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
index 10265a320c..9304bf474e 100644
--- a/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
+++ b/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/RankingSampleSat.csproj b/ortools/sat/samples/RankingSampleSat.csproj
index cf38a65b32..b49a13717f 100644
--- a/ortools/sat/samples/RankingSampleSat.csproj
+++ b/ortools/sat/samples/RankingSampleSat.csproj
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diff --git a/ortools/sat/samples/ReifiedSampleSat.csproj b/ortools/sat/samples/ReifiedSampleSat.csproj
index d6b4e1ef84..fbd70981b9 100644
--- a/ortools/sat/samples/ReifiedSampleSat.csproj
+++ b/ortools/sat/samples/ReifiedSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj b/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
index ded7b3efef..0c29958995 100644
--- a/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/SimpleSatProgram.csproj b/ortools/sat/samples/SimpleSatProgram.csproj
index 34606c2047..20d4b71955 100644
--- a/ortools/sat/samples/SimpleSatProgram.csproj
+++ b/ortools/sat/samples/SimpleSatProgram.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/SolutionHintingSampleSat.csproj b/ortools/sat/samples/SolutionHintingSampleSat.csproj
index e75cf8e969..fa8cc8eef9 100644
--- a/ortools/sat/samples/SolutionHintingSampleSat.csproj
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@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj b/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
index b0641b76c9..f364a7ae82 100644
--- a/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj b/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
index 4fb08f4d73..8ef0037da8 100644
--- a/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
+++ b/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/StepFunctionSampleSat.csproj b/ortools/sat/samples/StepFunctionSampleSat.csproj
index b9217f245e..2e05c927b3 100644
--- a/ortools/sat/samples/StepFunctionSampleSat.csproj
+++ b/ortools/sat/samples/StepFunctionSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj b/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
index f8e3b07afe..00b077d4ea 100644
--- a/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
@@ -19,6 +19,6 @@
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