diff --git a/examples/contrib/3_jugs_regular.csproj b/examples/contrib/3_jugs_regular.csproj
index ef4aa5a59d..8f8ebba6a6 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 49c54210ee..3d22e9f923 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 d1f6b0f318..e0e7501ff3 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 cff41c0d0d..756a8fd1b6 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 ce7e24cbc0..a44f8cc286 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 510963a839..2b5d1d9194 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 a5f1fb2ee1..ced771fc96 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 45116b72c5..010f3e1fc8 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 30aee422ef..3576b124f1 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 efcca9bac6..c71a7be757 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 41e4a43b5f..92f504f5ad 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 d53de4faa5..61d6101ee5 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 e3e197fab8..352f8aeb58 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 b7839d4f7b..6eede0f47e 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 b0286c8cf5..6adaf31712 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 1db478d958..8048f94d03 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 05d4b23cee..250d8d7dc4 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 3561884bff..ee7700e282 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 9231cc9ad2..1cc0355eeb 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 c4e66923fa..35226157ee 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 7a7194e2a7..48e079bb57 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 347fff805b..85ce6ce058 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 881122ada6..5fd98fb274 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 d6fc2507b4..dc3bb30808 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 9ae257d66d..fe34005a7d 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 f222e218fa..1516a287f6 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 a5474f300d..3597d9a1f4 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 2a8fde58c5..76e13f1d1d 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 f8b5b3fab6..5f02b17c23 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 5f30f9d219..7a73c6c74e 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 306ac6e0b2..4327f524cc 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 42ea386157..d7cb56fd78 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 7d6bf49b00..a9a98e5acb 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 b5ce7a02da..5b6840ad74 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 8d65aeb0c1..4f405a4650 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 02bd761a92..e32693248e 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 e73d228ab7..fddc281388 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 b1a8581b6e..510fd50daa 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 ab301658cf..2bd1ef0f2f 100644
--- a/examples/contrib/fsknapsack.fsproj
+++ b/examples/contrib/fsknapsack.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fslinearprogramming.fsproj b/examples/contrib/fslinearprogramming.fsproj
index a26056a656..42fce610cf 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 be83e16975..00760e0fbf 100644
--- a/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
+++ b/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsnetwork-max-flow.fsproj b/examples/contrib/fsnetwork-max-flow.fsproj
index 9b6e726e04..95e8a34f9a 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 349388a50a..4bcbe4151e 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 38c3644cb6..fcd72a63f7 100644
--- a/examples/contrib/fsrabbit-pheasant.fsproj
+++ b/examples/contrib/fsrabbit-pheasant.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsvolsay.fsproj b/examples/contrib/fsvolsay.fsproj
index b701f4edd9..ea53a31e3b 100644
--- a/examples/contrib/fsvolsay.fsproj
+++ b/examples/contrib/fsvolsay.fsproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/fsvolsay3-lpSolve.fsproj b/examples/contrib/fsvolsay3-lpSolve.fsproj
index be979118ee..3610ca6c51 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 5ae28f6cd1..abbc3610ed 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 61e8dd9ffe..58cd8da118 100644
--- a/examples/contrib/furniture_moving.csproj
+++ b/examples/contrib/furniture_moving.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/furniture_moving_intervals.csproj b/examples/contrib/furniture_moving_intervals.csproj
index 2ad849e415..fa5b579719 100644
--- a/examples/contrib/furniture_moving_intervals.csproj
+++ b/examples/contrib/furniture_moving_intervals.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/futoshiki.csproj b/examples/contrib/futoshiki.csproj
index 56f0786848..bfdda3db39 100644
--- a/examples/contrib/futoshiki.csproj
+++ b/examples/contrib/futoshiki.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/golomb_ruler.csproj b/examples/contrib/golomb_ruler.csproj
index b447f61a0c..a86b2a4ef4 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 5bf06653e6..dde3294994 100644
--- a/examples/contrib/grocery.csproj
+++ b/examples/contrib/grocery.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/hidato_table.csproj b/examples/contrib/hidato_table.csproj
index d46c08bad4..a56c364a9e 100644
--- a/examples/contrib/hidato_table.csproj
+++ b/examples/contrib/hidato_table.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/just_forgotten.csproj b/examples/contrib/just_forgotten.csproj
index fae9583c20..ed0c2579e2 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 f5e12f3bbe..69633d148b 100644
--- a/examples/contrib/kakuro.csproj
+++ b/examples/contrib/kakuro.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/kenken2.csproj b/examples/contrib/kenken2.csproj
index e1c752fdb0..83944865f1 100644
--- a/examples/contrib/kenken2.csproj
+++ b/examples/contrib/kenken2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/killer_sudoku.csproj b/examples/contrib/killer_sudoku.csproj
index 82a424a426..ad421489c6 100644
--- a/examples/contrib/killer_sudoku.csproj
+++ b/examples/contrib/killer_sudoku.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/labeled_dice.csproj b/examples/contrib/labeled_dice.csproj
index 5071133254..be097400c2 100644
--- a/examples/contrib/labeled_dice.csproj
+++ b/examples/contrib/labeled_dice.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/langford.csproj b/examples/contrib/langford.csproj
index bfd89f84d0..99d3e74f2d 100644
--- a/examples/contrib/langford.csproj
+++ b/examples/contrib/langford.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/least_diff.csproj b/examples/contrib/least_diff.csproj
index 5731e9cc41..3b761d4a1d 100644
--- a/examples/contrib/least_diff.csproj
+++ b/examples/contrib/least_diff.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/lectures.csproj b/examples/contrib/lectures.csproj
index 09f83c7d9f..2f918057c3 100644
--- a/examples/contrib/lectures.csproj
+++ b/examples/contrib/lectures.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/magic_sequence.csproj b/examples/contrib/magic_sequence.csproj
index ac90dc25b9..f3301f897d 100644
--- a/examples/contrib/magic_sequence.csproj
+++ b/examples/contrib/magic_sequence.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/magic_square.csproj b/examples/contrib/magic_square.csproj
index ed9bc2d4dd..e4dac7cda7 100644
--- a/examples/contrib/magic_square.csproj
+++ b/examples/contrib/magic_square.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/magic_square_and_cards.csproj b/examples/contrib/magic_square_and_cards.csproj
index f2acd057a9..7f6f26ef01 100644
--- a/examples/contrib/magic_square_and_cards.csproj
+++ b/examples/contrib/magic_square_and_cards.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/map.csproj b/examples/contrib/map.csproj
index 9bf582bb5a..19a09de9ce 100644
--- a/examples/contrib/map.csproj
+++ b/examples/contrib/map.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/map2.csproj b/examples/contrib/map2.csproj
index 2800d95cb6..e1df5e2649 100644
--- a/examples/contrib/map2.csproj
+++ b/examples/contrib/map2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/marathon2.csproj b/examples/contrib/marathon2.csproj
index 2674a8e019..009ac9aa4c 100644
--- a/examples/contrib/marathon2.csproj
+++ b/examples/contrib/marathon2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/max_flow_taha.csproj b/examples/contrib/max_flow_taha.csproj
index 0f1ec6e74d..9a6b9248c8 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 0dbb206add..4706a61634 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 219841e14c..4e0ba987b7 100644
--- a/examples/contrib/minesweeper.csproj
+++ b/examples/contrib/minesweeper.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/mr_smith.csproj b/examples/contrib/mr_smith.csproj
index 8985048ccf..d08bc1bc6c 100644
--- a/examples/contrib/mr_smith.csproj
+++ b/examples/contrib/mr_smith.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/nontransitive_dice.csproj b/examples/contrib/nontransitive_dice.csproj
index e70eec0519..b2a807af70 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 72042ff765..bc784f8b97 100644
--- a/examples/contrib/nqueens.csproj
+++ b/examples/contrib/nqueens.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/nurse_rostering_regular.csproj b/examples/contrib/nurse_rostering_regular.csproj
index 332a31af50..a926194614 100644
--- a/examples/contrib/nurse_rostering_regular.csproj
+++ b/examples/contrib/nurse_rostering_regular.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/nurse_rostering_transition.csproj b/examples/contrib/nurse_rostering_transition.csproj
index 150079ac0c..46c18854cb 100644
--- a/examples/contrib/nurse_rostering_transition.csproj
+++ b/examples/contrib/nurse_rostering_transition.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/olympic.csproj b/examples/contrib/olympic.csproj
index e5899ed07f..8844175683 100644
--- a/examples/contrib/olympic.csproj
+++ b/examples/contrib/olympic.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/organize_day.csproj b/examples/contrib/organize_day.csproj
index 7f0c17ac92..869ef2a4e4 100644
--- a/examples/contrib/organize_day.csproj
+++ b/examples/contrib/organize_day.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/organize_day_intervals.csproj b/examples/contrib/organize_day_intervals.csproj
index e22e2a265f..5d6067f891 100644
--- a/examples/contrib/organize_day_intervals.csproj
+++ b/examples/contrib/organize_day_intervals.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/p_median.csproj b/examples/contrib/p_median.csproj
index 7761560553..35a61f3dcf 100644
--- a/examples/contrib/p_median.csproj
+++ b/examples/contrib/p_median.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/pandigital_numbers.csproj b/examples/contrib/pandigital_numbers.csproj
index fa066a3c87..fa0094b3cd 100644
--- a/examples/contrib/pandigital_numbers.csproj
+++ b/examples/contrib/pandigital_numbers.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/partition.csproj b/examples/contrib/partition.csproj
index 475141a36d..0e773cc6ae 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 482e7eda9b..f10c94eeef 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 1ee19f56e7..61e9352dcd 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 f8366fd66f..4fbf809cf1 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 6b9309cb60..b03afa88d5 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 a4b5636067..1765d354da 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 b5099951c6..ea1d279cb8 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 88949a8c79..087358f3aa 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 7fb284b863..aeec8adac0 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 0bead0a609..01730b3ad8 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 446feeff3f..6fc18ff405 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 d85e43ae6c..333eecd271 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 795af8d5cb..8205eb16b8 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 cb80ad7984..3dd6254e26 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 8f994593f9..9be350dc9d 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 3690d6ee25..c76fbacd07 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 e2f55e7035..d1add2c6f7 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 2d3befd3ac..5d5b6f24f4 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 1a02bfcbfa..ded463f702 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 489a378660..f23c17fc14 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 6b6a039c5e..7c7d8ea9a8 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 7cf670c9cf..543f08442d 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 178a875fee..7509a54817 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 c3bf0a6141..f30eb9016e 100644
--- a/examples/contrib/ski_assignment.csproj
+++ b/examples/contrib/ski_assignment.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/stable_marriage.csproj b/examples/contrib/stable_marriage.csproj
index e09876a736..fc0643f083 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 6ac1c907a8..09fe4621cc 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 0d8d9cdf3e..442cecf7ec 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 59dc7a8c83..fc4fe94f57 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 0c4861c03f..553da8a2d0 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 47a79e3929..9481b67dfc 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 64678091fc..4a152731d9 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 a1fe640c2c..0697a81fec 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 8eb25de0e0..f843cc0bae 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 e52c2eeead..afda1d645f 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 92cc2ae971..9f8aaa595d 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 b08cd69e25..2b458df6c2 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 f2ec19b645..9be20ceb57 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 0b68f15195..734e3e9a64 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 5ba7e8bbc4..17085bd14d 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 8393c79a3e..7ab4596b01 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 50876db7fc..f59af3642d 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 a27c81a06c..6ce0a5125f 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 d8c7c8c543..fb68ab6f57 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 ec20023004..3bdc471d55 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 74cc5f8baf..ea03f8f071 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 44e7ed90c6..7c00b01ac8 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 3dde5601d4..7bccac5325 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 895df0beef..18e973515d 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 c610d0c291..f88147b522 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 cc3e6c7e77..e0087fc48b 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 56ea16db26..5a7faf41cb 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 50f85361ab..382f237994 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 1627a41b9c..4d7a173991 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 0b92f33ebf..cefda9392a 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 21585b62aa..f9b59a6db3 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 6404bf69ac..2e95c661cc 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 342cc84261..e859c733b0 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 e170814a00..099b7fd21e 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 fcfef02090..996f6112a6 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 2d60b6e4bb..758635d270 100644
--- a/examples/tests/RoutingSolverTests.csproj
+++ b/examples/tests/RoutingSolverTests.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/issue18.csproj b/examples/tests/issue18.csproj
index cabb371e33..ff6bdf224f 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 f6d6e87332..0263b822e6 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 40b819c063..392f64dae1 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 4979ac0c0b..85190332cd 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 b66ad68a3c..8b92ebed2e 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 1a2bc32257..f6dd1dbc54 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 29912d48ca..8fb102db40 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 c375a06bff..1ebd8e1c6d 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 9e82043ea4..6e72e6a3fe 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 50fb624238..260c1aad15 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 50aec7334c..f11d4aa645 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 0b846ed435..a064e9f28a 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 5a818e64f6..22cb7a06e6 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 abfb62e0af..00fc45c834 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 1073d55376..25d988988c 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 8e52a50fb8..3eacf6c20a 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 483ee4180e..2e98a35022 100644
--- a/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj b/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
index 3f5f06d21e..2d8d3b5623 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 e15c3fee66..3db7bd22f4 100644
--- a/ortools/constraint_solver/samples/VrpResources.csproj
+++ b/ortools/constraint_solver/samples/VrpResources.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpStartsEnds.csproj b/ortools/constraint_solver/samples/VrpStartsEnds.csproj
index 9a0ef901be..d6cd682295 100644
--- a/ortools/constraint_solver/samples/VrpStartsEnds.csproj
+++ b/ortools/constraint_solver/samples/VrpStartsEnds.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpTimeWindows.csproj b/ortools/constraint_solver/samples/VrpTimeWindows.csproj
index 19c3de4b15..873fbc810f 100644
--- a/ortools/constraint_solver/samples/VrpTimeWindows.csproj
+++ b/ortools/constraint_solver/samples/VrpTimeWindows.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj b/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
index 4f3d45bc28..fe6662388a 100644
--- a/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
+++ b/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/graph/samples/SimpleMaxFlowProgram.csproj b/ortools/graph/samples/SimpleMaxFlowProgram.csproj
index 6412ac2585..e0a79e15c7 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 326a3ab8d1..9c04f2fef3 100644
--- a/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
+++ b/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/linear_solver/samples/LinearProgrammingExample.csproj b/ortools/linear_solver/samples/LinearProgrammingExample.csproj
index d5bf3379fe..bc4cc91e63 100644
--- a/ortools/linear_solver/samples/LinearProgrammingExample.csproj
+++ b/ortools/linear_solver/samples/LinearProgrammingExample.csproj
@@ -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 87306cca33..ca8c2bf176 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/SimpleLpProgram.csproj b/ortools/linear_solver/samples/SimpleLpProgram.csproj
index 7dbb3c4314..50e489bc64 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 2db5917079..745d9ca6f6 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/BinPackingProblemSat.csproj b/ortools/sat/samples/BinPackingProblemSat.csproj
index f753a90da2..8ed4ab5ec9 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 b73b2c0d54..7d9e114b13 100644
--- a/ortools/sat/samples/BoolOrSampleSat.csproj
+++ b/ortools/sat/samples/BoolOrSampleSat.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/ortools/sat/samples/ChannelingSampleSat.csproj b/ortools/sat/samples/ChannelingSampleSat.csproj
index 8155fc6d8b..910589cdbb 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 017311bee7..c345ef1856 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 2774cd3fe8..7feac0fd8b 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 cab72dfacd..f144b1e334 100644
--- a/ortools/sat/samples/IntervalSampleSat.csproj
+++ b/ortools/sat/samples/IntervalSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/LiteralSampleSat.csproj b/ortools/sat/samples/LiteralSampleSat.csproj
index e98984228e..b3b905b469 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 47fcc8635d..e12e57baf2 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 a0ac03476a..45a9a63872 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 b7ee6f4dc3..899018da9a 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 ca2de369d4..a96c637c27 100644
--- a/ortools/sat/samples/RankingSampleSat.csproj
+++ b/ortools/sat/samples/RankingSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/ReifiedSampleSat.csproj b/ortools/sat/samples/ReifiedSampleSat.csproj
index 289518579d..e722cc2d2b 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 7fbec452bf..c6f5c289ce 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 66b2002e5d..97b9f02840 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 7e61d0751e..73abb65ef6 100644
--- a/ortools/sat/samples/SolutionHintingSampleSat.csproj
+++ b/ortools/sat/samples/SolutionHintingSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj b/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
index ee90d37bfe..34e038ab53 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 0013efd898..3d70577c11 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 3346fdc06a..599ff01547 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 5b8603e88b..fb90bc4a6a 100644
--- a/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
@@ -19,6 +19,6 @@
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