# 
# 
# patch "ChangeLog"
#  from [f5d5baa78bef412900ee8f39c5150b0a2590c9da]
#    to [cd405cfb4ce677be78ffa5dc7f276c9913b6fc3e]
# 
# patch "tests/t_add_inside_MT.at"
#  from [d0760c6e2f24d3f968d4d66501ab0a17fdbd5e41]
#    to [00e567e757fc46c5fad511d711fa5054df6f24c9]
# 
# patch "tests/t_add_intermediate_MT_path.at"
#  from [2f59bba6a5f0be5473ab14fd45ece15679b49fe0]
#    to [d51569d27ae7c8ff8045553c5d778f05d9c369b7]
# 
# patch "tests/t_annotate.at"
#  from [37b6e3a6cf7622fdb94b0dcfe454d1d6044ff02a]
#    to [1ba28d0a9e3166399d5fa56839655a0f7f03cc0f]
# 
# patch "tests/t_annotate_branch_collision.at"
#  from [9a98cd3c57767a584b7937a8ab2ddac086139847]
#    to [844405fcd8b1ba3f12727568688da83e0b67b5c7]
# 
# patch "tests/t_cat_file_by_name.at"
#  from [a8bd5077ca1e36b9ce1082c3b844603afdfea3ea]
#    to [ad4272e1a30154bf67970b75cd5bca27b5a20a5a]
# 
# patch "tests/t_checkout_creates_log.at"
#  from [fc93238f54751248b4477b70b252b3ebfc8708fa]
#    to [a486e085ecd1ddf55dba3dfd63cc3c056117325c]
# 
# patch "tests/t_checkout_id_sets_branch.at"
#  from [c175a8f3ae4d59724dce18a21067d11e75390cc7]
#    to [702d18e6aa83cfaa4ce94e27752c051ef4090c53]
# 
# patch "tests/t_checkout_noop_on_fail.at"
#  from [4cc60ab6fd6480fbf55db6091c3c8a3a7c3b1e42]
#    to [93a999e1a23a24adf8b94409af078ed564656aa4]
# 
# patch "tests/t_checkout_options.at"
#  from [e935f26986b7143bfe07dbee0ecd7a613017d008]
#    to [24eeba0a23944dc0b0593d1dadfcb4dfc8868166]
# 
# patch "tests/t_commit_cancelled.at"
#  from [02bcc53fbad3f78b36ab0dbae9b047845b6ad387]
#    to [6bc3250c034ad7d70100775dbcc56582ce475bbd]
# 
# patch "tests/t_commit_log_1.at"
#  from [7f484d7237acc02b49235fcbd05fee00fb3ff4e7]
#    to [d1d63ad1f1c2d3067d11edab3cf3b34c41754a90]
# 
# patch "tests/t_commit_log_2.at"
#  from [367f752f3e6fe48cdb41a182b9428129d32de8ee]
#    to [7b2c34e61c1b915006e335baaa65a95c675bd5c3]
# 
# patch "tests/t_commit_log_3.at"
#  from [2fe89aa0cdb1a484618aa1663551a1017ab85028]
#    to [0683464b8b1bcfc2c40959accad8d22a17f69691]
# 
# patch "tests/t_commit_log_writeback.at"
#  from [249e8f82f7c779dbc9de6d0c327ff2494dba91c6]
#    to [5904bab9a698da393511233261e1d26b6a151fcf]
# 
# patch "tests/t_commit_message_file.at"
#  from [ff5ee2bfe41e4807ee909ee5319db3d7eff38173]
#    to [9083f8d8c0f6a978c6421c4f9f352acd2652a95c]
# 
# patch "tests/t_cwork.at"
#  from [c62e74c66fee35e02b6279e799d3495aafe09377]
#    to [4c46c95e3ad1871a06fce9c5f94a00fc97930014]
# 
# patch "tests/t_database_check.at"
#  from [81f66e97321a631d0a5e3e089d1f25dc57d80aa9]
#    to [78904ea3f51596f3a21b6aea39af1e6621ac7966]
# 
# patch "tests/t_database_check_normalized.at"
#  from [903b3a090390261102a713b0339e99322d728f16]
#    to [d89c3d1d57ac11406b965a7d1f7ba69f1bb21381]
# 
# patch "tests/t_db_with_dots.at"
#  from [69973200a20d087bb2701a5c5e8c927ae54e53d2]
#    to [b54df6de2ea3fa178dca93aa6003c7273871206d]
# 
# patch "tests/t_diff_outside_workspace.at"
#  from [91e929a8e18167fc073b033b782d50c04d0dabad]
#    to [933f39d768ce47a78389a31fd6a05d15dc6f29b8]
# 
# patch "tests/t_epoch_unidirectional.at"
#  from [8a53bc343a7e48d20843b89a6e77c208de84c38c]
#    to [f03f544695c15425f879c7534003c29e82634e21]
# 
# patch "tests/t_inodeprints.at"
#  from [d67a539bc4da605a1959d597bf5747557bc3548f]
#    to [0a0246b22800058dfde20a03e8998bd18547682c]
# 
# patch "tests/t_inodeprints_hook.at"
#  from [9ba633b9cd6acf2c4c7630336f4f9755e14a86ef]
#    to [8dc6552d5c04b58070614afda831083b0c1c31c9]
# 
# patch "tests/t_inodeprints_update.at"
#  from [e4e1f37872811414024e259717206ca528267346]
#    to [b027c6458bbe47cef06d3c34a4d96594c956e6e7]
# 
# patch "tests/t_lf_crlf.at"
#  from [19b497fd65b459240b83270df348bab82f09962c]
#    to [917077851f1c5d077f81251c60648e0ca4d1237d]
# 
# patch "tests/t_log_outside_workspace.at"
#  from [408e3882754be40081c953771285895e36fd2de8]
#    to [1e54ecc7b774f1f2b485b79b0f931718cb175ec4]
# 
# patch "tests/t_merge2_add.at"
#  from [f6e80ad60bcb50d48f402619d679e8625b680357]
#    to [70f7393bb7f12def5cc60fdaa6ae26185bcf84fd]
# 
# patch "tests/t_merge2_data.at"
#  from [d98ab4146cc147822d4557176bec09e3905f8d4e]
#    to [f1adea0b23478d158fec1e945af77f4d497cc2e7]
# 
# patch "tests/t_merge_add_del.at"
#  from [6e28c3a84a4c148144295fd22ea1648dcc8a6bb0]
#    to [70b04bd09907bcec19b64bfd3b7488d50d849ea2]
# 
# patch "tests/t_merge_into_dir.at"
#  from [7c4cdfb3ef4fd2bbac8624cf2c8e8ce37da88412]
#    to [326175a419b2bb85df4dcf273cbae7b9d4e9ce9b]
# 
# patch "tests/t_need_mt_revision.at"
#  from [3a1a8ade0d51e65a46325eaed1bd4236886a0d41]
#    to [cc930f17f155b0549b153fd11673d126081993a3]
# 
# patch "tests/t_netsync_globs.at"
#  from [fdc7701de9af5a193798b8a25c745d8d15b62086]
#    to [553b6e8d18f08e907e1d84324326ec879820842b]
# 
# patch "tests/t_netsync_permissions.at"
#  from [14dc033954a1e36979893b0f9b4d5daf4be18b82]
#    to [fde3b03429da042b17d3f25769f1e08f77c58733]
# 
# patch "tests/t_netsync_unrelated.at"
#  from [03b78b51712b38681a244c815bf817720aab6d37]
#    to [ea99531edefc30bb3c7ff7ea6f82c3adb946b1f8]
# 
# patch "tests/t_normalized_filenames.at"
#  from [752012e95dce64872e27021972a2bd715e03c3c1]
#    to [5623c494f751cd5da81aefd949514b360b1be284]
# 
# patch "tests/t_persistent_server_revision.at"
#  from [04fe8d8a529d07a8bfbb01e999bbbb99eecb254b]
#    to [e18db2016f652c705292ae8a15514cd5a2fdfecb]
# 
# patch "tests/t_pivot_root.at"
#  from [2bf3634c3c1a16c375a85bc5f403992422cdfc8b]
#    to [316bd971b0c94e9c7794b658fb26e3de8ae209b6]
# 
# patch "tests/t_pivot_root_revert.at"
#  from [bf2c402b7cb49ebdd178928ea01372deb68858a5]
#    to [6bf97ef33b132ce9b52006a56c7c58d8cf5cd7f6]
# 
# patch "tests/t_pivot_root_update.at"
#  from [e4f51059ec68ec4f187cd3593eeb49459aea3b5a]
#    to [c0b52066a67d15ed6fff40972de7707af5f6fbde]
# 
# patch "tests/t_refresh_inodeprints.at"
#  from [8fc43d007b60a998430f6fd0dc56962c019511f4]
#    to [4a52c531307debc050c3f4fa55186141e5d3d68c]
# 
# patch "tests/t_rename.at"
#  from [f9830fde9e91d2b2c97e3ec7d4c423d3e12d2726]
#    to [db57e180eba5fbf1ab8234c68f5af389d00f42c4]
# 
# patch "tests/t_revert.at"
#  from [e21976b842ae9dedab8a25e085799937c11edaa8]
#    to [b7a13168d70cb6b35d4967cda0a8af2b0f85ba5f]
# 
# patch "tests/t_revert_rename.at"
#  from [774aadd9782d5b42e8c7d30ab91db32bca9bd1d8]
#    to [18dd10d856fa1fd660a460a9cb6b03b2f2605849]
# 
# patch "tests/t_select_cert.at"
#  from [b217cab9925b06a35421515e6a214a77a34d761d]
#    to [524a836a7ce677e089bbc9ad89f8c84599fa688f]
# 
# patch "tests/t_serve_ignores_mt_options.at"
#  from [ab8c5d1a6a2eae5282dc0fbecc72bbb0cc9e52c4]
#    to [c7318436382fa91a8a3d0d67aaee1049b11b1def]
# 
# patch "tests/t_setup_checkout_modify_new_dir.at"
#  from [6eda0e1493305bf3bfa55d94dc4eaddb5c9e0d49]
#    to [69ea1cf9eebce9fcc86928d50e456eb37e0c29a0]
# 
# patch "tests/t_setup_creates_log.at"
#  from [a32f5408696019332ec79216c6252f1ba2ade66d]
#    to [e3c84e44d0c83997ff6b5cba8242a4de1a712e99]
# 
# patch "tests/t_setup_existing_path.at"
#  from [ce17bd423597f38adb7065e230cc73e226aebfeb]
#    to [7b4b33c2ed726cbf00a4e38fbd7696baa8038b58]
# 
# patch "tests/t_short_opts.at"
#  from [f633e5c60ec847a5b9cc42643e1be2d6c89788bd]
#    to [1457b0b8dc5ff7391d34f4c09eaa70f75a56a3e4]
# 
# patch "tests/t_single_char_filenames.at"
#  from [f4492e7c63d5f93094d8f2bdea04d80854b41b31]
#    to [aeeaf4693e0414db9c0f512a3ec07888ab5d04e8]
# 
# patch "tests/t_sink_has_extra_epochs.at"
#  from [0b9d5574dc645aac752334bf8d915551faf43faa]
#    to [1476ccf22fb668341183462217d355e0b075d35f]
# 
# patch "tests/t_tags.at"
#  from [8b32ae2dbacb65d3e1071cdf9aaafa1caf521940]
#    to [f8ebf7132751a4bf8d4ae4ed58384095e30d9cae]
# 
# patch "tests/t_undo_update.at"
#  from [23512408a71b29946fbeb5b1d5058c6a5f9abd87]
#    to [622c5975b220b26bf1815ec3eb9a680ad420ab5a]
# 
# patch "tests/t_unreadable_MT.at"
#  from [d732c69dc8d90926de48dd11938a48b436265012]
#    to [1b4a381cf098a344f3a81ec1aefec35580afb7f8]
# 
# patch "tests/t_update_branch.at"
#  from [b6390318109dc91675aa8a174de4a911cf9c8618]
#    to [33934ce6e4ef6bde1c5ccce8417cc1e7fe750224]
# 
# patch "tests/t_update_inodeprints.at"
#  from [8e9ec9723a232850248e679a59a28c8ec043f3e9]
#    to [7918726b22ac7cac356448a1a9df80dd4afbe597]
# 
# patch "tests/t_update_off_branch.at"
#  from [0a795cf6e182e2f8f2f5a9bea020b96177c4d3a0]
#    to [b9d36236416ad78ec83e04ad96bb342839ffff8b]
# 
# patch "tests/t_update_switch_branch.at"
#  from [671401ca3e91c9879e3fdf48443960361d97d63b]
#    to [4dc9c4e7562dded128cca9b56ffb72398c4b6e42]
# 
# patch "tests/t_update_with_blocked_rename.at"
#  from [dc86b21bd469bee17cb8df586f108a13a4a191be]
#    to [ec11f3c0fdf105effa16659c990631bbab76cc18]
# 
# patch "tests/t_update_with_pending_add.at"
#  from [af1ac1b21a52bade76fa8fa92cae2c5be1a18321]
#    to [191a9bb03fe47fd446be8475be0b38c076b23851]
# 
# patch "tests/t_update_with_pending_drop.at"
#  from [04407e4305991ff2358e52325d584674e8f0fcd2]
#    to [74cf8a3d47adaf7a50ed7b2488b39f0ae8039268]
# 
# patch "tests/t_update_with_pending_rename.at"
#  from [2577008031f11dbdeaceeda708d4238b5b52c641]
#    to [da0deb279259309a94cd9838544b92ba8457b3df]
# 
# patch "tests/t_versions.at"
#  from [49105adca6a5a867ec44be87731651eacb8cb437]
#    to [dad3fbfa60f5c9ae1f74fc7aac7913c655903a54]
# 
============================================================
--- ChangeLog	f5d5baa78bef412900ee8f39c5150b0a2590c9da
+++ ChangeLog	cd405cfb4ce677be78ffa5dc7f276c9913b6fc3e
@@ -1,5 +1,9 @@
 2006-03-28  Nathaniel Smith  <address@hidden>
 
+	* tests/*.at: s/MT/_MTN/.
+
+2006-03-28  Nathaniel Smith  <address@hidden>
+
 	* testsuite.at: s/MT/_MTN/.
 
 2006-03-28  Nathaniel Smith  <address@hidden>
============================================================
--- tests/t_add_inside_MT.at	d0760c6e2f24d3f968d4d66501ab0a17fdbd5e41
+++ tests/t_add_inside_MT.at	00e567e757fc46c5fad511d711fa5054df6f24c9
@@ -1,12 +1,12 @@
-AT_SETUP([add inside MT/])
+AT_SETUP([add inside _MTN/])
 MONOTONE_SETUP
 
 AT_DATA(testfile1, [blah blah
 ])
-AT_DATA(MT/testfile2, [blah blah
+AT_DATA(_MTN/testfile2, [blah blah
 ])
 
-AT_CHECK(cd MT && MONOTONE add testfile2, [1], [ignore], [ignore])
-AT_CHECK(cd MT && MONOTONE add ../testfile1, [], [ignore], [ignore])
+AT_CHECK(cd _MTN && MONOTONE add testfile2, [1], [ignore], [ignore])
+AT_CHECK(cd _MTN && MONOTONE add ../testfile1, [], [ignore], [ignore])
 
 AT_CLEANUP
============================================================
--- tests/t_add_intermediate_MT_path.at	2f59bba6a5f0be5473ab14fd45ece15679b49fe0
+++ tests/t_add_intermediate_MT_path.at	d51569d27ae7c8ff8045553c5d778f05d9c369b7
@@ -1,62 +1,62 @@
 #  -*- Autoconf -*-
 
-AT_SETUP([files with intermediate MT path elements])
+AT_SETUP([files with intermediate _MTN path elements])
 
 MONOTONE_SETUP
 
-AT_CHECK(mkdir -p dir1/MT)
+AT_CHECK(mkdir -p dir1/_MTN)
 AT_CHECK(mkdir -p dir2)
 AT_CHECK(mkdir -p dir3)
 
 # Check both implicit recursive add...
-AT_DATA(dir1/MT/testfile1, [testfile 1
+AT_DATA(dir1/_MTN/testfile1, [testfile 1
 ])
-AT_DATA(dir2/MT, [MT file 1
+AT_DATA(dir2/_MTN, [_MTN file 1
 ])
 AT_CHECK(MONOTONE add dir1, [], [ignore], [ignore])
 AT_CHECK(MONOTONE add dir2, [], [ignore], [ignore])
 COMMIT(testbranch)
 
 # ...and explicit add.
-AT_DATA(dir1/MT/testfile2, [testfile 2
+AT_DATA(dir1/_MTN/testfile2, [testfile 2
 ])
-AT_DATA(dir3/MT, [MT file 2
+AT_DATA(dir3/_MTN, [_MTN file 2
 ])
-AT_CHECK(MONOTONE add dir1/MT/testfile2, [], [ignore], [ignore])
-AT_CHECK(MONOTONE add dir3/MT, [], [ignore], [ignore])
+AT_CHECK(MONOTONE add dir1/_MTN/testfile2, [], [ignore], [ignore])
+AT_CHECK(MONOTONE add dir3/_MTN, [], [ignore], [ignore])
 COMMIT(testbranch)
 
 AT_CHECK(MONOTONE checkout outdir1, [], [ignore], [ignore])
-AT_CHECK(cmp dir1/MT/testfile1 outdir1/dir1/MT/testfile1)
-AT_CHECK(cmp dir1/MT/testfile2 outdir1/dir1/MT/testfile2)
-AT_CHECK(cmp dir2/MT outdir1/dir2/MT)
-AT_CHECK(cmp dir3/MT outdir1/dir3/MT)
+AT_CHECK(cmp dir1/_MTN/testfile1 outdir1/dir1/_MTN/testfile1)
+AT_CHECK(cmp dir1/_MTN/testfile2 outdir1/dir1/_MTN/testfile2)
+AT_CHECK(cmp dir2/_MTN outdir1/dir2/_MTN)
+AT_CHECK(cmp dir3/_MTN outdir1/dir3/_MTN)
  
 # renames
 
-AT_CHECK(mv dir1/MT/testfile1 dir1/MT/testfile1x)
-AT_CHECK(mv dir2/MT dir2/TM)
+AT_CHECK(mv dir1/_MTN/testfile1 dir1/_MTN/testfile1x)
+AT_CHECK(mv dir2/_MTN dir2/TM)
 AT_CHECK(mv dir3 dir3x)
 
-AT_CHECK(MONOTONE rename dir1/MT/testfile1 dir1/MT/testfile1x, [], [ignore], [ignore])
-AT_CHECK(MONOTONE rename dir2/MT dir2/TM, [], [ignore], [ignore])
+AT_CHECK(MONOTONE rename dir1/_MTN/testfile1 dir1/_MTN/testfile1x, [], [ignore], [ignore])
+AT_CHECK(MONOTONE rename dir2/_MTN dir2/TM, [], [ignore], [ignore])
 AT_CHECK(MONOTONE rename dir3 dir3x, [], [ignore], [ignore])
 COMMIT(testbranch)
 
 AT_CHECK(MONOTONE checkout outdir2, [], [ignore], [ignore])
-AT_CHECK(cmp dir1/MT/testfile1x outdir2/dir1/MT/testfile1x)
-AT_CHECK(cmp dir1/MT/testfile2 outdir2/dir1/MT/testfile2)
+AT_CHECK(cmp dir1/_MTN/testfile1x outdir2/dir1/_MTN/testfile1x)
+AT_CHECK(cmp dir1/_MTN/testfile2 outdir2/dir1/_MTN/testfile2)
 AT_CHECK(cmp dir2/TM outdir2/dir2/TM)
-AT_CHECK(cmp dir3x/MT outdir2/dir3x/MT)
+AT_CHECK(cmp dir3x/_MTN outdir2/dir3x/_MTN)
 
 # explicit drop
 
-AT_CHECK(MONOTONE drop dir1/MT/testfile2, [], [ignore], [ignore])
+AT_CHECK(MONOTONE drop dir1/_MTN/testfile2, [], [ignore], [ignore])
 COMMIT(testbranch)
 
 AT_CHECK(MONOTONE checkout outdir3, [], [ignore], [ignore])
-AT_CHECK(cmp dir1/MT/testfile1x outdir2/dir1/MT/testfile1x)
-AT_CHECK(test ! -e outdir3/dir1/MT/testfile2)
+AT_CHECK(cmp dir1/_MTN/testfile1x outdir2/dir1/_MTN/testfile1x)
+AT_CHECK(test ! -e outdir3/dir1/_MTN/testfile2)
 
 # recursive drop
 
@@ -64,9 +64,9 @@
 COMMIT(testbranch)
 
 AT_CHECK(MONOTONE checkout outdir4, [], [ignore], [ignore])
-AT_CHECK(test ! -e outdir4/dir1/MT/testfile1x)
-AT_CHECK(test ! -e outdir4/dir1/MT/testfile2)
-AT_CHECK(test ! -e outdir4/dir1/MT)
+AT_CHECK(test ! -e outdir4/dir1/_MTN/testfile1x)
+AT_CHECK(test ! -e outdir4/dir1/_MTN/testfile2)
+AT_CHECK(test ! -e outdir4/dir1/_MTN)
 AT_CHECK(test ! -e outdir4/dir1)
 
 AT_CLEANUP
============================================================
--- tests/t_annotate.at	37b6e3a6cf7622fdb94b0dcfe454d1d6044ff02a
+++ tests/t_annotate.at	1ba28d0a9e3166399d5fa56839655a0f7f03cc0f
@@ -121,7 +121,7 @@
 REV6=`BASE_REVISION`
 
 # Now make right side
-rm -rf MT
+rm -rf _MTN
 AT_CHECK(MONOTONE co --revision=$REV4 ., [], [ignore], [ignore])
 AT_DATA(bar0, [bar
 on right side of fork
============================================================
--- tests/t_annotate_branch_collision.at	9a98cd3c57767a584b7937a8ab2ddac086139847
+++ tests/t_annotate_branch_collision.at	844405fcd8b1ba3f12727568688da83e0b67b5c7
@@ -28,7 +28,7 @@
 COMMIT(testbranch)
 REVL=`BASE_REVISION`
 
-AT_CHECK(rm -r -f MT foo)
+AT_CHECK(rm -r -f _MTN foo)
 AT_CHECK(MONOTONE setup --branch=testbranch .)
 
 AT_CHECK(cp foo.right foo)
============================================================
--- tests/t_cat_file_by_name.at	a8bd5077ca1e36b9ce1082c3b844603afdfea3ea
+++ tests/t_cat_file_by_name.at	ad4272e1a30154bf67970b75cd5bca27b5a20a5a
@@ -36,7 +36,7 @@
 
 CHECK_SAME_CANONICALISED_STDOUT(cd subdir && MONOTONE cat -r $R0 testfile, cat subfile)
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 
 CHECK_SAME_CANONICALISED_STDOUT(MONOTONE cat -r $R0 testfile, cat r0testfile)
 
============================================================
--- tests/t_checkout_creates_log.at	fc93238f54751248b4477b70b252b3ebfc8708fa
+++ tests/t_checkout_creates_log.at	a486e085ecd1ddf55dba3dfd63cc3c056117325c
@@ -1,6 +1,6 @@
 # -*- Autoconf -*-
 
-AT_SETUP([checkout creates MT/log])
+AT_SETUP([checkout creates _MTN/log])
 
 MONOTONE_SETUP
 
@@ -10,7 +10,7 @@
 end
 ])
 
-AT_DATA(MT/log, [Log entry
+AT_DATA(_MTN/log, [Log entry
 ])
 
 AT_DATA(input.txt, [version 0 of the file
@@ -22,6 +22,6 @@
 
 AT_CHECK(MONOTONE --branch=testbranch co testbranch)
 
-AT_CHECK(test -f testbranch/MT/log -a ! -s MT/log)
+AT_CHECK(test -f testbranch/_MTN/log -a ! -s _MTN/log)
                   
 AT_CLEANUP
============================================================
--- tests/t_checkout_id_sets_branch.at	c175a8f3ae4d59724dce18a21067d11e75390cc7
+++ tests/t_checkout_id_sets_branch.at	702d18e6aa83cfaa4ce94e27752c051ef4090c53
@@ -16,8 +16,8 @@
 AT_CHECK(MONOTONE cert $REV branch otherbranch)
 
 # but, now we can't checkout without a --branch...
-# need to make sure don't pick up branch from our local MT dir...
-AT_CHECK(rm -rf MT)
+# need to make sure don't pick up branch from our local _MTN dir...
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE checkout --revision=$REV codir2, [1], [ignore], [ignore])
 AT_CHECK(MONOTONE checkout --revision=$REV --branch=testbranch codir3, [], [ignore], [ignore])
 AT_CHECK(cmp foo codir3/foo)
============================================================
--- tests/t_checkout_noop_on_fail.at	4cc60ab6fd6480fbf55db6091c3c8a3a7c3b1e42
+++ tests/t_checkout_noop_on_fail.at	93a999e1a23a24adf8b94409af078ed564656aa4
@@ -1,14 +1,14 @@
 AT_SETUP([failed checkout is a no-op])
 MONOTONE_SETUP
 
 # If a checkout fails, no target directory should be created, and if
-# the checkout directory already exists, no MT/ directory should be
+# the checkout directory already exists, no _MTN/ directory should be
 # created.
 
 AT_CHECK(MONOTONE checkout --revision=bogus-id outdir, [1], [ignore], [ignore])
 AT_CHECK(test ! -e outdir)
 AT_CHECK(mkdir outdir)
 AT_CHECK( (cd outdir && MONOTONE checkout --revision=bogus-id .), [1], [ignore], [ignore])
-AT_CHECK(test ! -e outdir/MT)
+AT_CHECK(test ! -e outdir/_MTN)
 
 AT_CLEANUP
============================================================
--- tests/t_checkout_options.at	e935f26986b7143bfe07dbee0ecd7a613017d008
+++ tests/t_checkout_options.at	24eeba0a23944dc0b0593d1dadfcb4dfc8868166
@@ -1,4 +1,4 @@
-AT_SETUP([checkout creates right MT/options])
+AT_SETUP([checkout creates right _MTN/options])
 MONOTONE_SETUP
 
 ADD_FILE(testfile, [foo
@@ -9,7 +9,7 @@
 # We use RAW_MONOTONE because it used to be that passing --db= (as
 # MONOTONE does) would hide a bug in this functionality...
 
-# all of these inherit options settings from the current MT dir
+# all of these inherit options settings from the current _MTN dir
 # unless they override them on the command line
 
 AT_CHECK(RAW_MONOTONE checkout test_dir1, [], [ignore], [ignore])
@@ -29,11 +29,11 @@
 
 for DIR in test_dir@<:@12345678@:>@; do
   AT_CHECK(echo DIR=$DIR, [], [ignore])
-  AT_CHECK(test -f $DIR/MT/options)
-  AT_CHECK(QGREP(test.db $DIR/MT/options))
-  AT_CHECK(QGREP(testbranch $DIR/MT/options))
+  AT_CHECK(test -f $DIR/_MTN/options)
+  AT_CHECK(QGREP(test.db $DIR/_MTN/options))
+  AT_CHECK(QGREP(testbranch $DIR/_MTN/options))
 done
 
-AT_CHECK(QGREP(foobar test_dir10/MT/options))
+AT_CHECK(QGREP(foobar test_dir10/_MTN/options))
 
 AT_CLEANUP
============================================================
--- tests/t_commit_cancelled.at	02bcc53fbad3f78b36ab0dbae9b047845b6ad387
+++ tests/t_commit_cancelled.at	6bc3250c034ad7d70100775dbcc56582ce475bbd
@@ -1,7 +1,7 @@
-AT_SETUP([MT/* handled correctly in aborted commit])
+AT_SETUP([_MTN/* handled correctly in aborted commit])
 MONOTONE_SETUP
 
-# MT/* means MT/revision and MT/work
+# _MTN/* means _MTN/revision and _MTN/work
 
 ADD_FILE(testfile, [blah blah
 ])
@@ -10,12 +10,12 @@
 ADD_FILE(otherfile, [stuff stuff
 ])
 
-AT_DATA(MT/log, [message message
+AT_DATA(_MTN/log, [message message
 ])
 
-AT_CHECK(cp MT/log good_log)
-AT_CHECK(cp MT/revision good_revision)
-AT_CHECK(cp MT/work good_work)
+AT_CHECK(cp _MTN/log good_log)
+AT_CHECK(cp _MTN/revision good_revision)
+AT_CHECK(cp _MTN/work good_work)
 
 AT_DATA(bad_edit_comment.lua, [function edit_comment(basetext, user_log_message)
     return ""
@@ -26,9 +26,9 @@
 
 # Since this commit was canceled due to a problem with the log
 # message, the old log message have been preserved
-AT_CHECK(cmp MT/log good_log)
+AT_CHECK(cmp _MTN/log good_log)
 
-AT_CHECK(cmp MT/revision good_revision)
-AT_CHECK(cmp MT/work good_work)
+AT_CHECK(cmp _MTN/revision good_revision)
+AT_CHECK(cmp _MTN/work good_work)
 
 AT_CLEANUP
============================================================
--- tests/t_commit_log_1.at	7f484d7237acc02b49235fcbd05fee00fb3ff4e7
+++ tests/t_commit_log_1.at	d1d63ad1f1c2d3067d11edab3cf3b34c41754a90
@@ -1,6 +1,6 @@
 # -*- Autoconf -*-
 
-AT_SETUP([commit using MT/log])
+AT_SETUP([commit using _MTN/log])
 
 MONOTONE_SETUP
 
@@ -10,7 +10,7 @@
 end
 ])
 
-AT_DATA(MT/log, [Log entry
+AT_DATA(_MTN/log, [Log entry
 ])
 
 AT_DATA(input.txt, [version 0 of the file
@@ -21,7 +21,7 @@
 AT_CHECK(MONOTONE --branch=testbranch --rcfile=commit_log.lua commit, [], [ignore], [ignore])
 
 TSHA=`BASE_REVISION`
-AT_CHECK(test -f MT/log -a ! -s MT/log)
+AT_CHECK(test -f _MTN/log -a ! -s _MTN/log)
 AT_CHECK(MONOTONE ls certs $TSHA, [], [stdout], [ignore])
 AT_CHECK(QGREP('Log entry' stdout), [])
 
============================================================
--- tests/t_commit_log_2.at	367f752f3e6fe48cdb41a182b9428129d32de8ee
+++ tests/t_commit_log_2.at	7b2c34e61c1b915006e335baaa65a95c675bd5c3
@@ -1,10 +1,10 @@
 # -*- Autoconf -*-
 
-AT_SETUP([commit w/o MT/log being present])
+AT_SETUP([commit w/o _MTN/log being present])
 
 MONOTONE_SETUP
 
-AT_CHECK(rm -f MT/log)
+AT_CHECK(rm -f _MTN/log)
 
 AT_DATA(input.txt, [version 0 of the file
 ])
============================================================
--- tests/t_commit_log_3.at	2fe89aa0cdb1a484618aa1663551a1017ab85028
+++ tests/t_commit_log_3.at	0683464b8b1bcfc2c40959accad8d22a17f69691
@@ -1,6 +1,6 @@
 # -*- Autoconf -*-
 
-AT_SETUP([commit using MT/log and --message])
+AT_SETUP([commit using _MTN/log and --message])
 
 MONOTONE_SETUP
 
@@ -10,7 +10,7 @@
 end
 ])
 
-AT_DATA(MT/log, [Log entry
+AT_DATA(_MTN/log, [Log entry
 ])
 
 AT_DATA(input.txt, [version 0 of the file
============================================================
--- tests/t_commit_log_writeback.at	249e8f82f7c779dbc9de6d0c327ff2494dba91c6
+++ tests/t_commit_log_writeback.at	5904bab9a698da393511233261e1d26b6a151fcf
@@ -1,4 +1,4 @@
-AT_SETUP([commit writes message back to MT/log])
+AT_SETUP([commit writes message back to _MTN/log])
 MONOTONE_SETUP
 
 ADD_FILE(testfile, [blah blah
@@ -16,21 +16,21 @@
 
 AT_CHECK(MONOTONE commit -btestbranch --rcfile=my_hook.lua, [1], [ignore], [ignore])
 
-CHECK_SAME_CANONICALISED_STDOUT(echo "foobar", cat MT/log)
+CHECK_SAME_CANONICALISED_STDOUT(echo "foobar", cat _MTN/log)
 
-AT_CHECK(rm -f MT/log)
-AT_CHECK(touch MT/log)
+AT_CHECK(rm -f _MTN/log)
+AT_CHECK(touch _MTN/log)
 
-# -m messages don't get written out to MT/log
+# -m messages don't get written out to _MTN/log
 # (if they do, it breaks the workflow:
 #   $ monotone commit -m 'foo'
 #   <fails>
 #   <fixup>
 #   $ monotone commit -m 'foo'
-#   error, MT/log non-empty and -m specified
+#   error, _MTN/log non-empty and -m specified
 AT_CHECK(MONOTONE commit -btestbranch -m "blah blah", [1], [ignore], [ignore])
 
-# So MT/log should still be empty
-AT_CHECK(test -s MT/log, [1])
+# So _MTN/log should still be empty
+AT_CHECK(test -s _MTN/log, [1])
 
 AT_CLEANUP
============================================================
--- tests/t_commit_message_file.at	ff5ee2bfe41e4807ee909ee5319db3d7eff38173
+++ tests/t_commit_message_file.at	9083f8d8c0f6a978c6421c4f9f352acd2652a95c
@@ -1,8 +1,8 @@
 AT_SETUP([commit with --message-file])
 
 MONOTONE_SETUP
 
-AT_CHECK(rm -f MT/log)
+AT_CHECK(rm -f _MTN/log)
 
 #--------------------
 #first, verify that --message-file actually works
@@ -58,7 +58,7 @@
 AT_CHECK(MONOTONE --branch=testbranch commit --message-file=msgfile.txt --message="also a message", [1], [ignore], [ignore])
 
 # --------------------
-# finally, --message-file and a filled MT/log should also fail
+# finally, --message-file and a filled _MTN/log should also fail
 # --------------------
 
 AT_DATA(commit_log.lua, [
@@ -67,7 +67,7 @@
 end
 ])
 
-AT_DATA(MT/log, [Log entry
+AT_DATA(_MTN/log, [Log entry
 ])
 
 AT_CHECK(MONOTONE --branch=testbranch --rcfile=commit_log.lua commit --message-file=msgfile.txt, [1], [ignore], [ignore])
============================================================
--- tests/t_cwork.at	c62e74c66fee35e02b6279e799d3495aafe09377
+++ tests/t_cwork.at	4c46c95e3ad1871a06fce9c5f94a00fc97930014
@@ -13,9 +13,9 @@
 AT_CHECK(MONOTONE --branch=testbranch commit --message='blah blah', [], [ignore], [ignore])
 V1=`BASE_REVISION`
 AT_CHECK(MONOTONE add testfile1, [], [ignore], [ignore])
-AT_CHECK(test -e MT/work, [], [ignore])
-AT_CHECK(rm -rf MT)
+AT_CHECK(test -e _MTN/work, [], [ignore])
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE checkout --revision=$V1 ., [], [ignore], [ignore])
-AT_CHECK(test ! -e MT/work, [], [ignore])
+AT_CHECK(test ! -e _MTN/work, [], [ignore])
 
 AT_CLEANUP
============================================================
--- tests/t_database_check.at	81f66e97321a631d0a5e3e089d1f25dc57d80aa9
+++ tests/t_database_check.at	78904ea3f51596f3a21b6aea39af1e6621ac7966
@@ -59,7 +59,7 @@
 REV4=`BASE_REVISION`
 AT_CHECK(MONOTONE db execute "delete from revisions where id='$REV4'", [0], [ignore], [ignore])
 # revert to the old workspace state
-AT_CHECK(echo $REV3 > MT/revision)
+AT_CHECK(echo $REV3 > _MTN/revision)
 # remove another file too
 AT_CHECK(MONOTONE db execute "delete from files where id='$FILE3'", [], [ignore], [ignore])
 
============================================================
--- tests/t_database_check_normalized.at	903b3a090390261102a713b0339e99322d728f16
+++ tests/t_database_check_normalized.at	d89c3d1d57ac11406b965a7d1f7ba69f1bb21381
@@ -6,7 +6,7 @@
 # hence the database doesn't have correctly normalised revisions.
 
 # for future reference, it was created with a modified monotone binary,
-# paths.cc was modified. Also, the 'add_dir "."' was added to MT/work by hand.
+# paths.cc was modified. Also, the 'add_dir "."' was added to _MTN/work by hand.
 
 #old_revision []
 #
============================================================
--- tests/t_db_with_dots.at	69973200a20d087bb2701a5c5e8c927ae54e53d2
+++ tests/t_db_with_dots.at	b54df6de2ea3fa178dca93aa6003c7273871206d
@@ -5,11 +5,11 @@
 AT_CHECK( (cd foo && MONOTONE --db=../new.db db init), [], [ignore], [ignore])
 AT_CHECK( (cd foo && MONOTONE --db=../new.db ls branches), [], [ignore], [ignore])
 
-# paths in MT/options should be absolute and not contain ..
+# paths in _MTN/options should be absolute and not contain ..
 
 AT_CHECK(mkdir bar)
 AT_CHECK( (cd bar && MONOTONE --db=../new.db --branch=testbranch setup .), [], [ignore], [ignore])
-AT_CHECK(grep new.db bar/MT/options, [], [ignore], [ignore])
-AT_CHECK(grep new.db bar/MT/options | grep -v '\.\.', [], [ignore], [ignore])
+AT_CHECK(grep new.db bar/_MTN/options, [], [ignore], [ignore])
+AT_CHECK(grep new.db bar/_MTN/options | grep -v '\.\.', [], [ignore], [ignore])
 
 AT_CLEANUP
============================================================
--- tests/t_diff_outside_workspace.at	91e929a8e18167fc073b033b782d50c04d0dabad
+++ tests/t_diff_outside_workspace.at	933f39d768ce47a78389a31fd6a05d15dc6f29b8
@@ -16,7 +16,7 @@
 AT_CHECK(MONOTONE --branch=testbranch commit --message bleh, [], [ignore], [ignore])
 
 second=`BASE_REVISION`
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE diff --revision=$parent --revision=$second, [], [ignore], [ignore])
 # check it works when specifying files
 AT_CHECK(MONOTONE diff --revision=$parent --revision=$second foo2 --debug, [], [ignore], [ignore])
============================================================
--- tests/t_epoch_unidirectional.at	8a53bc343a7e48d20843b89a6e77c208de84c38c
+++ tests/t_epoch_unidirectional.at	f03f544695c15425f879c7534003c29e82634e21
@@ -10,7 +10,7 @@
 ])
 COMMIT(testbranch)
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE2 setup --branch=testbranch .)
 AT_DATA(otherfile, [some data
 ])
============================================================
--- tests/t_inodeprints.at	d67a539bc4da605a1959d597bf5747557bc3548f
+++ tests/t_inodeprints.at	0a0246b22800058dfde20a03e8998bd18547682c
@@ -1,8 +1,8 @@
 AT_SETUP([inodeprints])
 MONOTONE_SETUP
 
 # Turn them on
-AT_CHECK(touch MT/inodeprints)
+AT_CHECK(touch _MTN/inodeprints)
 
 AT_CHECK(MONOTONE diff, [], [stdout], [ignore])
 AT_CHECK(QGREP("no changes" stdout))
@@ -16,8 +16,8 @@
 COMMIT(testbranch)
 
 # Something should have been written to it
-AT_CHECK(test -s MT/inodeprints)
-AT_CHECK(cp MT/inodeprints ip1)
+AT_CHECK(test -s _MTN/inodeprints)
+AT_CHECK(cp _MTN/inodeprints ip1)
 
 # And stuff should still work
 AT_CHECK(MONOTONE diff, [], [stdout], [ignore])
@@ -35,7 +35,7 @@
 AT_CHECK(MONOTONE commit otherfile --message=foo, [], [ignore], [ignore])
 
 # Should have changed the inodeprints file
-AT_CHECK(cmp MT/inodeprints ip1, [1], [ignore], [ignore])
+AT_CHECK(cmp _MTN/inodeprints ip1, [1], [ignore], [ignore])
 
 # Still should think testfile is modified
 AT_CHECK(MONOTONE diff, [], [stdout], [ignore])
============================================================
--- tests/t_inodeprints_hook.at	9ba633b9cd6acf2c4c7630336f4f9755e14a86ef
+++ tests/t_inodeprints_hook.at	8dc6552d5c04b58070614afda831083b0c1c31c9
@@ -13,26 +13,26 @@
 end
 ])
 
-AT_CHECK(test ! -e MT/inodeprints)
+AT_CHECK(test ! -e _MTN/inodeprints)
 ADD_FILE(testfile, [blah blah
 ])
 COMMIT(testbranch)
 REV=`BASE_REVISION`
 
 AT_CHECK(MONOTONE setup --branch=testbranch setup_default, [], [ignore], [ignore])
-AT_CHECK(test ! -e setup_default/MT/inodeprints)
+AT_CHECK(test ! -e setup_default/_MTN/inodeprints)
 AT_CHECK(MONOTONE checkout --revision=$REV co_default, [], [ignore], [ignore])
-AT_CHECK(test ! -e co_default/MT/inodeprints)
+AT_CHECK(test ! -e co_default/_MTN/inodeprints)
 
 AT_CHECK(MONOTONE --rcfile=off.lua setup --branch=testbranch setup_off, [], [ignore], [ignore])
-AT_CHECK(test ! -e setup_off/MT/inodeprints)
+AT_CHECK(test ! -e setup_off/_MTN/inodeprints)
 AT_CHECK(MONOTONE --rcfile=off.lua checkout --revision=$REV co_off, [], [ignore], [ignore])
-AT_CHECK(test ! -e co_off/MT/inodeprints)
+AT_CHECK(test ! -e co_off/_MTN/inodeprints)
 
 AT_CHECK(MONOTONE --rcfile=on.lua setup --branch=testbranch setup_on, [], [ignore], [ignore])
-AT_CHECK(test -e setup_on/MT/inodeprints)
+AT_CHECK(test -e setup_on/_MTN/inodeprints)
 AT_CHECK(MONOTONE --rcfile=on.lua checkout --revision=$REV co_on, [], [ignore], [ignore])
-AT_CHECK(test -e co_on/MT/inodeprints)
-AT_CHECK(test -s co_on/MT/inodeprints)
+AT_CHECK(test -e co_on/_MTN/inodeprints)
+AT_CHECK(test -s co_on/_MTN/inodeprints)
 
 AT_CLEANUP
============================================================
--- tests/t_inodeprints_update.at	e4e1f37872811414024e259717206ca528267346
+++ tests/t_inodeprints_update.at	b027c6458bbe47cef06d3c34a4d96594c956e6e7
@@ -12,8 +12,8 @@
 R1=`BASE_REVISION`
 
 AT_CHECK(MONOTONE checkout --branch=testbranch --revision=$R0 td, [], [ignore], [ignore])
-AT_CHECK(touch td/MT/inodeprints)
+AT_CHECK(touch td/_MTN/inodeprints)
 AT_CHECK(cd td && MONOTONE update, [], [ignore], [ignore])
-AT_CHECK(test -s td/MT/inodeprints)
+AT_CHECK(test -s td/_MTN/inodeprints)
 
 AT_CLEANUP
============================================================
--- tests/t_lf_crlf.at	19b497fd65b459240b83270df348bab82f09962c
+++ tests/t_lf_crlf.at	917077851f1c5d077f81251c60648e0ca4d1237d
@@ -30,7 +30,7 @@
 AT_CHECK(MONOTONE --rcfile=linesep.lua commit -m foofoo, [], [ignore], [ignore])
 FOO_FOO_REV=`BASE_REVISION`
 
-rm -Rf MT
+rm -Rf _MTN
 AT_CHECK(MONOTONE --rcfile=linesep.lua co --revision=$FOO_REV ., [], [ignore], [ignore])
 AT_CHECK(cmp foo foo.crlf, [], [ignore], [ignore])
 
============================================================
--- tests/t_log_outside_workspace.at	408e3882754be40081c953771285895e36fd2de8
+++ tests/t_log_outside_workspace.at	1e54ecc7b774f1f2b485b79b0f931718cb175ec4
@@ -13,7 +13,7 @@
 AT_CHECK(MONOTONE --branch=testbranch commit --message blah, [], [ignore], [ignore])
 parent=`BASE_REVISION`
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE log --revision=$parent foo1, [], [ignore], [ignore])
 
 AT_CLEANUP
============================================================
--- tests/t_merge2_add.at	f6e80ad60bcb50d48f402619d679e8625b680357
+++ tests/t_merge2_add.at	70f7393bb7f12def5cc60fdaa6ae26185bcf84fd
@@ -9,7 +9,7 @@
 COMMIT(testbranch)
 LEFT=`BASE_REVISION`
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE setup --branch=testbranch .)
 
 ADD_FILE(testfile2, [This is test file 2
============================================================
--- tests/t_merge2_data.at	d98ab4146cc147822d4557176bec09e3905f8d4e
+++ tests/t_merge2_data.at	f1adea0b23478d158fec1e945af77f4d497cc2e7
@@ -20,7 +20,7 @@
 COMMIT(testbranch)
 LEFT=`BASE_REVISION`
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE setup --branch=testbranch .)
 
 AT_CHECK(cp -f right testfile)
============================================================
--- tests/t_merge_add_del.at	6e28c3a84a4c148144295fd22ea1648dcc8a6bb0
+++ tests/t_merge_add_del.at	70b04bd09907bcec19b64bfd3b7488d50d849ea2
@@ -70,7 +70,7 @@
 AT_CHECK(MONOTONE propagate branch.main branch.fork, [], [ignore], [ignore])
 
 # check
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE --branch=branch.fork checkout .)
 
 AT_CHECK(MONOTONE automate get_manifest_of, [], [stdout])
============================================================
--- tests/t_merge_into_dir.at	7c4cdfb3ef4fd2bbac8624cf2c8e8ce37da88412
+++ tests/t_merge_into_dir.at	326175a419b2bb85df4dcf273cbae7b9d4e9ce9b
@@ -1,13 +1,13 @@
 AT_SETUP([merge a project into a subdirectory of an unrelated project])
 MONOTONE_SETUP
 
-AT_CHECK(cp -r MT MT.orig)
+AT_CHECK(cp -r _MTN MT.orig)
 ADD_FILE(file1, [foo
 ])
 COMMIT(b1)
 
-AT_CHECK(rm -r MT)
-AT_CHECK(cp -r MT.orig MT)
+AT_CHECK(rm -r _MTN)
+AT_CHECK(cp -r MT.orig _MTN)
 AT_CHECK(rm file1)
 ADD_FILE(file2, [bar
 ])
============================================================
--- tests/t_need_mt_revision.at	3a1a8ade0d51e65a46325eaed1bd4236886a0d41
+++ tests/t_need_mt_revision.at	cc930f17f155b0549b153fd11673d126081993a3
@@ -1,4 +1,4 @@
-AT_SETUP([MT/revision is required])
+AT_SETUP([_MTN/revision is required])
 MONOTONE_SETUP
 
 ADD_FILE(foo, [blah blah
@@ -14,7 +14,7 @@
 AT_CHECK(rm -f bar)
 AT_CHECK(MONOTONE ls missing, [], [ignore], [ignore])
 
-AT_CHECK(rm -f MT/revision)
+AT_CHECK(rm -f _MTN/revision)
 AT_CHECK(MONOTONE ls missing, [1], [ignore], [ignore])
 
 AT_CLEANUP
============================================================
--- tests/t_netsync_globs.at	fdc7701de9af5a193798b8a25c745d8d15b62086
+++ tests/t_netsync_globs.at	553b6e8d18f08e907e1d84324326ec879820842b
@@ -7,14 +7,14 @@
 COMMIT(1branch1)
 REV11=`BASE_REVISION`
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE setup --branch=testbranch .)
 ADD_FILE(testfile, [bar
 ])
 COMMIT(1branch2)
 REV12=`BASE_REVISION`
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE setup --branch=testbranch .)
 ADD_FILE(testfile, [baz
 ])
============================================================
--- tests/t_netsync_permissions.at	14dc033954a1e36979893b0f9b4d5daf4be18b82
+++ tests/t_netsync_permissions.at	fde3b03429da042b17d3f25769f1e08f77c58733
@@ -114,7 +114,7 @@
 
 AT_CHECK(cp clean.db test.db)
 AT_CHECK(rm -r keys && cp -r clean_keys/ keys)
-AT_DATA(MT/revision [])
+AT_DATA(_MTN/revision [])
 
 ADD_N_FILE(2, testfile, [testfile
 ])
============================================================
--- tests/t_netsync_unrelated.at	03b78b51712b38681a244c815bf817720aab6d37
+++ tests/t_netsync_unrelated.at	ea99531edefc30bb3c7ff7ea6f82c3adb946b1f8
@@ -31,7 +31,7 @@
 CHECK_SAME_STDOUT(MONOTONE automate graph, MONOTONE2 automate graph)
 CHECK_SAME_STDOUT(MONOTONE ls certs $BASE, MONOTONE ls certs $BASE)
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE setup --branch=testbranch ., [], [ignore], [ignore])
 
 ADD_FILE(testfile2, [This is test file 2
============================================================
--- tests/t_normalized_filenames.at	752012e95dce64872e27021972a2bd715e03c3c1
+++ tests/t_normalized_filenames.at	5623c494f751cd5da81aefd949514b360b1be284
@@ -5,11 +5,11 @@
 ])
 # The UI used to fix these, while later code did not, so let's check
 # the inner code directly.
-AT_DATA(MT/work, [add_dir "."
+AT_DATA(_MTN/work, [add_dir "."
 ])
 AT_CHECK(MONOTONE automate get_manifest_of, [3], [ignore], [ignore])
 
-AT_DATA(MT/work, [add_dir "./bar"
+AT_DATA(_MTN/work, [add_dir "./bar"
 ])
 
 AT_CHECK(MONOTONE automate get_manifest_of, [3], [ignore], [ignore])
============================================================
--- tests/t_persistent_server_revision.at	04fe8d8a529d07a8bfbb01e999bbbb99eecb254b
+++ tests/t_persistent_server_revision.at	e18db2016f652c705292ae8a15514cd5a2fdfecb
@@ -10,7 +10,7 @@
 AT_CHECK(MONOTONE2 commit --branch=testbranch --message foo, [], [ignore], [ignore])
 REV1=`BASE_REVISION`
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 
 AT_DATA(otherfile, [stuff stuff
 nonsense
@@ -43,7 +43,7 @@
 AT_CHECK(MONOTONE3 commit --branch=testbranch --message foo, [], [ignore], [ignore])
 REV3=`BASE_REVISION`
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE2 checkout --revision=$REV1 ., [], [ignore], [ignore])
 AT_DATA(testfile, [ptang
 ])
============================================================
--- tests/t_pivot_root.at	2bf3634c3c1a16c375a85bc5f403992422cdfc8b
+++ tests/t_pivot_root.at	316bd971b0c94e9c7794b658fb26e3de8ae209b6
@@ -1,10 +1,10 @@
 AT_SETUP([pivot_root])
 MONOTONE_SETUP
 
 # possible problems:
 #   -- the new root doesn't exist
 #   -- the new root is not a dir
-#   -- the new root has an MT in it
+#   -- the new root has an _MTN in it
 #   -- the directory the old root is supposed to end up in doesn't exist
 #   -- the directory the old root is supposed to end up in is not a directory
 #   -- the directory the old root is supposed to end up in already
@@ -19,7 +19,7 @@
 AT_DATA(workspace/dir1/file1, [blah blah
 ])
 AT_CHECK(mkdir workspace/dir3)
-AT_CHECK(mkdir workspace/dir3/MT)
+AT_CHECK(mkdir workspace/dir3/_MTN)
 AT_CHECK(cd workspace/ && MONOTONE add ., [], [ignore], [ignore])
 
 AT_CHECK(cd workspace/ && MONOTONE commit -m foo, [], [ignore], [ignore])
@@ -37,12 +37,12 @@
 
 AT_CHECK(cd workspace/ && MONOTONE pivot_root --execute dir1 old_root, [], [ignore], [ignore])
 
-AT_CHECK(test -d workspace/MT)
+AT_CHECK(test -d workspace/_MTN)
 AT_CHECK(test -d workspace/dir2)
 AT_CHECK(test -f workspace/file1)
 AT_CHECK(test -d workspace/old_root)
 AT_CHECK(test -d workspace/old_root/dir3)
-AT_CHECK(test -d workspace/old_root/dir3/MT)
+AT_CHECK(test -d workspace/old_root/dir3/_MTN)
 
 AT_CHECK(cd workspace/ && MONOTONE ls missing, [], [], [])
 AT_CHECK(cd workspace/ && MONOTONE ls unknown, [], [], [])
============================================================
--- tests/t_pivot_root_revert.at	bf2c402b7cb49ebdd178928ea01372deb68858a5
+++ tests/t_pivot_root_revert.at	6bf97ef33b132ce9b52006a56c7c58d8cf5cd7f6
@@ -14,31 +14,31 @@
 AT_DATA(workspace/dir1/file1, [blah blah
 ])
 AT_CHECK(mkdir workspace/dir3)
-AT_CHECK(mkdir workspace/dir3/MT)
+AT_CHECK(mkdir workspace/dir3/_MTN)
 AT_CHECK(cd workspace/ && MONOTONE add ., [], [ignore], [ignore])
 
 AT_CHECK(cd workspace/ && MONOTONE commit -m foo, [], [ignore], [ignore])
 
 AT_CHECK(cd workspace/ && MONOTONE pivot_root --execute dir1 old_root, [], [ignore], [ignore])
 
-AT_CHECK(test -d workspace/MT)
+AT_CHECK(test -d workspace/_MTN)
 AT_CHECK(test -d workspace/dir2)
 AT_CHECK(test -f workspace/file1)
 AT_CHECK(test -d workspace/old_root)
 AT_CHECK(test -d workspace/old_root/dir3)
-AT_CHECK(test -d workspace/old_root/dir3/MT)
+AT_CHECK(test -d workspace/old_root/dir3/_MTN)
 
 AT_CHECK(cd workspace/ && MONOTONE ls missing, [], [], [])
 AT_CHECK(cd workspace/ && MONOTONE ls unknown, [], [], [])
 
 AT_CHECK(cd workspace/ && MONOTONE revert ., [], [ignore], [ignore])
 
-AT_CHECK(test -d workspace/MT)
+AT_CHECK(test -d workspace/_MTN)
 AT_CHECK(test -d workspace/dir1)
 AT_CHECK(test -d workspace/dir1/dir2)
 AT_CHECK(test -f workspace/dir1/file1)
 AT_CHECK(test -d workspace/dir3)
-AT_CHECK(test -d workspace/dir3/MT)
+AT_CHECK(test -d workspace/dir3/_MTN)
 
 AT_CHECK(cd workspace/ && MONOTONE ls changed, [], [], [])
 AT_CHECK(cd workspace/ && MONOTONE ls missing, [], [], [])
============================================================
--- tests/t_pivot_root_update.at	e4f51059ec68ec4f187cd3593eeb49459aea3b5a
+++ tests/t_pivot_root_update.at	c0b52066a67d15ed6fff40972de7707af5f6fbde
@@ -11,7 +11,7 @@
 ])
 AT_CHECK(cd workspace/ && MONOTONE add ., [], [ignore], [ignore])
 AT_CHECK(cd workspace/ && MONOTONE commit -m foo, [], [ignore], [ignore])
-BASE_REV=`cat workspace/MT/revision`
+BASE_REV=`cat workspace/_MTN/revision`
 
 AT_CHECK(cd workspace/ && MONOTONE pivot_root --execute dir1 old_root, [], [ignore], [ignore])
 AT_CHECK(cd workspace/ && MONOTONE commit -m foo, [], [ignore], [ignore])
============================================================
--- tests/t_refresh_inodeprints.at	8fc43d007b60a998430f6fd0dc56962c019511f4
+++ tests/t_refresh_inodeprints.at	4a52c531307debc050c3f4fa55186141e5d3d68c
@@ -5,10 +5,10 @@
 ])
 COMMIT(testbranch)
 
-AT_CHECK(test -e MT/inodeprints, [1])
+AT_CHECK(test -e _MTN/inodeprints, [1])
 
 AT_CHECK(MONOTONE refresh_inodeprints)
 
-AT_CHECK(test -s MT/inodeprints)
+AT_CHECK(test -s _MTN/inodeprints)
 
 AT_CLEANUP
============================================================
--- tests/t_rename.at	f9830fde9e91d2b2c97e3ec7d4c423d3e12d2726
+++ tests/t_rename.at	db57e180eba5fbf1ab8234c68f5af389d00f42c4
@@ -38,16 +38,16 @@
 
 # rename a rename target
 AT_CHECK(MONOTONE rename bleh blah, [], [ignore], [ignore])
-AT_CHECK(grep bleh MT/work, [0], [ignore], [ignore])
-AT_CHECK(grep blah MT/work, [0], [ignore], [ignore])
+AT_CHECK(grep bleh _MTN/work, [0], [ignore], [ignore])
+AT_CHECK(grep blah _MTN/work, [0], [ignore], [ignore])
 AT_CHECK(MONOTONE rename blah blyh, [], [ignore], [ignore])
-AT_CHECK(grep bleh MT/work, [0], [ignore], [ignore])
-AT_CHECK(grep blah MT/work, [1], [ignore], [ignore])
-AT_CHECK(grep blyh MT/work, [0], [ignore], [ignore])
+AT_CHECK(grep bleh _MTN/work, [0], [ignore], [ignore])
+AT_CHECK(grep blah _MTN/work, [1], [ignore], [ignore])
+AT_CHECK(grep blyh _MTN/work, [0], [ignore], [ignore])
 
 # undo a rename
 AT_CHECK(MONOTONE rename blyh bleh, [], [ignore], [ignore])
-AT_CHECK(test -f MT/work, [1], [ignore], [ignore])
+AT_CHECK(test -f _MTN/work, [1], [ignore], [ignore])
 
 # move file before renaming it
 AT_CHECK(MONOTONE status, [], [ignore], [ignore])
============================================================
--- tests/t_revert.at	e21976b842ae9dedab8a25e085799937c11edaa8
+++ tests/t_revert.at	b7a13168d70cb6b35d4967cda0a8af2b0f85ba5f
@@ -30,7 +30,7 @@
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile0 stdout, [0], [ignore])
 AT_CHECK(MONOTONE revert ., [], [ignore], [ignore])
-AT_CHECK(test ! -e MT/work, [], [ignore])
+AT_CHECK(test ! -e _MTN/work, [], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile0 stdout, [1], [ignore])
 
@@ -38,11 +38,11 @@
 # check reverting a delete
 
 AT_CHECK(MONOTONE drop testfile0, [0], [ignore], [ignore])
-AT_CHECK(grep testfile0 MT/work, [0], [ignore])
+AT_CHECK(grep testfile0 _MTN/work, [0], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile0 stdout, [0], [ignore])
 AT_CHECK(MONOTONE revert ., [], [ignore], [ignore])
-AT_CHECK(test ! -e MT/work, [], [ignore])
+AT_CHECK(test ! -e _MTN/work, [], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile0 stdout, [1], [ignore])
 
@@ -51,11 +51,11 @@
 
 AT_CHECK(echo 'liver and maude' >> testfile0, [], [ignore])
 AT_CHECK(MONOTONE drop testfile0, [0], [ignore], [ignore])
-AT_CHECK(grep testfile0 MT/work, [0], [ignore])
+AT_CHECK(grep testfile0 _MTN/work, [0], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile0 stdout, [0], [ignore])
 AT_CHECK(MONOTONE revert testfile0, [], [ignore], [ignore])
-AT_CHECK(test ! -e MT/work, [], [ignore])
+AT_CHECK(test ! -e _MTN/work, [], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile0 stdout, [1], [ignore])
 V3=`SHA1(testfile0)`
@@ -66,11 +66,11 @@
 AT_DATA(testfile1, [squirrils monkeys dingos
 ])
 AT_CHECK(MONOTONE add testfile1, [0], [ignore], [ignore])
-AT_CHECK(grep testfile1 MT/work, [0], [ignore])
+AT_CHECK(grep testfile1 _MTN/work, [0], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile1 stdout, [0], [ignore])
 AT_CHECK(MONOTONE revert ., [], [ignore], [ignore])
-AT_CHECK(test ! -e MT/work, [], [ignore])
+AT_CHECK(test ! -e _MTN/work, [], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile1 stdout, [1], [ignore])
 
@@ -119,19 +119,19 @@
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep foofile0 stdout, [0], [ignore])
 AT_CHECK(grep foofile2 stdout, [0], [ignore])
-AT_CHECK(test -e MT/work, [], [ignore])
+AT_CHECK(test -e _MTN/work, [], [ignore])
 
 AT_CHECK(MONOTONE revert sub/foofile2, [], [stdout])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep foofile0 stdout, [0], [ignore])
 AT_CHECK(grep foofile2 stdout, [1], [ignore])
-AT_CHECK(test -e MT/work, [], [ignore])
+AT_CHECK(test -e _MTN/work, [], [ignore])
 
 AT_CHECK(MONOTONE revert foofile0, [], [stdout])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep foofile0 stdout, [1], [ignore])
 AT_CHECK(grep foofile2 stdout, [1], [ignore])
-AT_CHECK(test ! -e MT/work, [], [ignore])
+AT_CHECK(test ! -e _MTN/work, [], [ignore])
 
 # check that "revert" by itself just prints usage.
 AT_CHECK(echo blah > foofile0, [])
============================================================
--- tests/t_revert_rename.at	774aadd9782d5b42e8c7d30ab91db32bca9bd1d8
+++ tests/t_revert_rename.at	18dd10d856fa1fd660a460a9cb6b03b2f2605849
@@ -11,13 +11,13 @@
 AT_DATA(foofile0, [squirrils monkeys dingos
 ])
 AT_CHECK(MONOTONE rename testfile0 foofile0, [], [ignore], [ignore])
-AT_CHECK(grep testfile0 MT/work, [0], [ignore])
-AT_CHECK(grep foofile0 MT/work, [0], [ignore])
+AT_CHECK(grep testfile0 _MTN/work, [0], [ignore])
+AT_CHECK(grep foofile0 _MTN/work, [0], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile0 stdout, [0], [ignore])
 AT_CHECK(grep foofile0 stdout, [0], [ignore])
 AT_CHECK(MONOTONE revert foofile0, [0], [ignore], [ignore])
-AT_CHECK(test ! -e MT/work, [], [ignore])
+AT_CHECK(test ! -e _MTN/work, [], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile0 stdout, [1], [ignore])
 AT_CHECK(grep foofile0 stdout, [1], [ignore])
@@ -25,13 +25,13 @@
 AT_DATA(foofile0, [squirrils monkeys dingos
 ])
 AT_CHECK(MONOTONE rename testfile0 foofile0, [], [ignore], [ignore])
-AT_CHECK(grep testfile0 MT/work, [0], [ignore])
-AT_CHECK(grep foofile0 MT/work, [0], [ignore])
+AT_CHECK(grep testfile0 _MTN/work, [0], [ignore])
+AT_CHECK(grep foofile0 _MTN/work, [0], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile0 stdout, [0], [ignore])
 AT_CHECK(grep foofile0 stdout, [0], [ignore])
 AT_CHECK(MONOTONE revert testfile0, [0], [ignore], [ignore])
-AT_CHECK(test ! -e MT/work, [], [ignore])
+AT_CHECK(test ! -e _MTN/work, [], [ignore])
 AT_CHECK(MONOTONE status, [], [stdout])
 AT_CHECK(grep testfile0 stdout, [1], [ignore])
 AT_CHECK(grep foofile0 stdout, [1], [ignore])
============================================================
--- tests/t_select_cert.at	b217cab9925b06a35421515e6a214a77a34d761d
+++ tests/t_select_cert.at	524a836a7ce677e089bbc9ad89f8c84599fa688f
@@ -38,11 +38,11 @@
 AT_CHECK(grep 'has multiple ambiguous expansions' stderr, [0], [ignore])
 
 # Check that exact value succeed...
-rm -Rf MT
+rm -Rf _MTN
 AT_CHECK(MONOTONE co --revision='c:testcert=value' ., [], [ignore], [ignore])
 AT_CHECK(cmp testfile testfile2, [], [ignore])
 
-rm -Rf MT
+rm -Rf _MTN
 AT_CHECK(MONOTONE co --revision='c:testcert=value=with=equal=signs' ., [], [ignore], [ignore])
 AT_CHECK(cmp testfile testfile1, [], [ignore])
 
============================================================
--- tests/t_serve_ignores_mt_options.at	ab8c5d1a6a2eae5282dc0fbecc72bbb0cc9e52c4
+++ tests/t_serve_ignores_mt_options.at	c7318436382fa91a8a3d0d67aaee1049b11b1def
@@ -1,6 +1,6 @@
 # -*- Autoconf -*-
 
-AT_SETUP([checking that certain commands ignores the contents of MT/options])
+AT_SETUP([checking that certain commands ignores the contents of _MTN/options])
 
 MONOTONE_SETUP
 
@@ -12,18 +12,18 @@
 AT_CHECK(MONOTONE add testfile, [], [ignore], [ignore])
 AT_CHECK(MONOTONE --branch=testbranch commit --message blah-blah, [], [ignore], [ignore])
 
-# Hack MT/options
-AT_CHECK([sed -e 's/key ".*"/key "address@hidden"/' < MT/options > MT/options.new])
-AT_CHECK([mv MT/options.new MT/options])
-# Double-check that MT/options was correctly hacked
-AT_CHECK([grep 'key "address@hidden"' MT/options], [1], [ignore], [ignore])
-AT_CHECK([grep 'key "address@hidden"' MT/options], [0], [ignore], [ignore])
+# Hack _MTN/options
+AT_CHECK([sed -e 's/key ".*"/key "address@hidden"/' < _MTN/options > _MTN/options.new])
+AT_CHECK([mv _MTN/options.new _MTN/options])
+# Double-check that _MTN/options was correctly hacked
+AT_CHECK([grep 'key "address@hidden"' _MTN/options], [1], [ignore], [ignore])
+AT_CHECK([grep 'key "address@hidden"' _MTN/options], [0], [ignore], [ignore])
 
 # Let's see RUN_NETSYNC fly, making sure we use an existing key.  Without the
 # explicit --key option, this push would try to use the hacked identity and
 # promptly fail, and that's not what we're after.
 # The server, though, doesn't get this explicit key specification, so this
-# will test if it (wrongly) gets a key value from MT/options or if it takes
+# will test if it (wrongly) gets a key value from _MTN/options or if it takes
 # whatever key that's available in keys2/...
 RUN_NETSYNC([push address@hidden, [testbranch])
 
============================================================
--- tests/t_setup_checkout_modify_new_dir.at	6eda0e1493305bf3bfa55d94dc4eaddb5c9e0d49
+++ tests/t_setup_checkout_modify_new_dir.at	69ea1cf9eebce9fcc86928d50e456eb37e0c29a0
@@ -1,4 +1,4 @@
-AT_SETUP([setup/checkout touch new MT/options only])
+AT_SETUP([setup/checkout touch new _MTN/options only])
 MONOTONE_SETUP
 
 ADD_FILE(foo, [blah blah
============================================================
--- tests/t_setup_creates_log.at	a32f5408696019332ec79216c6252f1ba2ade66d
+++ tests/t_setup_creates_log.at	e3c84e44d0c83997ff6b5cba8242a4de1a712e99
@@ -1,9 +1,9 @@
 # -*- Autoconf -*-
 
-AT_SETUP([setup creates MT/log])
+AT_SETUP([setup creates _MTN/log])
 
 MONOTONE_SETUP
 
-AT_CHECK(test -f MT/log -a ! -s MT/log)
+AT_CHECK(test -f _MTN/log -a ! -s _MTN/log)
         
 AT_CLEANUP
============================================================
--- tests/t_setup_existing_path.at	ce17bd423597f38adb7065e230cc73e226aebfeb
+++ tests/t_setup_existing_path.at	7b4b33c2ed726cbf00a4e38fbd7696baa8038b58
@@ -6,8 +6,8 @@
 AT_CHECK(MONOTONE setup --branch=testbranch foo, [1], [ignore], [ignore])
 AT_CHECK(mkdir bar)
 AT_CHECK(MONOTONE setup --branch=testbranch bar, [], [ignore], [ignore])
-AT_CHECK(test -d bar/MT)
-AT_CHECK(rm -r bar/MT)
+AT_CHECK(test -d bar/_MTN)
+AT_CHECK(rm -r bar/_MTN)
 AT_CHECK(cd bar && MONOTONE setup --branch=testbranch, [], [ignore], [ignore])
 
 AT_CLEANUP
============================================================
--- tests/t_short_opts.at	f633e5c60ec847a5b9cc42643e1be2d6c89788bd
+++ tests/t_short_opts.at	1457b0b8dc5ff7391d34f4c09eaa70f75a56a3e4
@@ -21,7 +21,7 @@
 AT_CHECK(SHORT_MONOTONE -k address@hidden -b test.branch commit -d test.db -m happy, [1], [ignore], [ignore])
 
 # the failed log will have been saved
-AT_CHECK(rm MT/log)
+AT_CHECK(rm _MTN/log)
 
 # and it does work with a key
 AT_CHECK(SHORT_MONOTONE -k address@hidden -b test.branch commit -d test.db -m happy, [], [ignore], [ignore])
============================================================
--- tests/t_single_char_filenames.at	f4492e7c63d5f93094d8f2bdea04d80854b41b31
+++ tests/t_single_char_filenames.at	aeeaf4693e0414db9c0f512a3ec07888ab5d04e8
@@ -24,17 +24,17 @@
 AT_CHECK(MONOTONE commit --message=blah-blah, [], [ignore], [ignore])
 NULL_R_SHA1=`BASE_REVISION`
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE checkout --revision=$A_R_SHA1 a-dir, [], [ignore], [ignore])
 AT_CHECK(test -e a-dir/a, [], [ignore])
 AT_CHECK(test ! -e a-dir/b, [], [ignore])
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE checkout --revision=$B_R_SHA1 b-dir, [], [ignore], [ignore])
 AT_CHECK(test ! -e b-dir/a, [], [ignore])
 AT_CHECK(test -e b-dir/b, [], [ignore])
 
-AT_CHECK(rm -rf MT)
+AT_CHECK(rm -rf _MTN)
 AT_CHECK(MONOTONE checkout --revision=$NULL_R_SHA1 null-dir, [], [ignore], [ignore])
 AT_CHECK(test ! -e null-dir/a, [], [ignore])
 AT_CHECK(test ! -e null-dir/b, [], [ignore])
============================================================
--- tests/t_sink_has_extra_epochs.at	0b9d5574dc645aac752334bf8d915551faf43faa
+++ tests/t_sink_has_extra_epochs.at	1476ccf22fb668341183462217d355e0b075d35f
@@ -17,7 +17,7 @@
 ])
 COMMIT(testbranch)
 AT_CHECK(MONOTONE db set_epoch testbranch 1234567890123456789009876543210987654321)
-AT_CHECK(rm -r MT/)
+AT_CHECK(rm -r _MTN/)
 AT_CHECK(MONOTONE2 setup -b otherbranch ., [], [ignore], [ignore])
 AT_DATA(bar, [bar
 ])
============================================================
--- tests/t_tags.at	8b32ae2dbacb65d3e1071cdf9aaafa1caf521940
+++ tests/t_tags.at	f8ebf7132751a4bf8d4ae4ed58384095e30d9cae
@@ -46,7 +46,7 @@
 AT_CHECK(sort <stdout >sorted-stdout)
 AT_CHECK(cmp stdout sorted-stdout)
 
-AT_CHECK(rm -rf MT file1 file2 file3)
+AT_CHECK(rm -rf _MTN file1 file2 file3)
 
 AT_CHECK(MONOTONE co --revision=tag1 ., [], [ignore], [ignore])
 TAG1=`BASE_REVISION`
@@ -55,7 +55,7 @@
 AT_CHECK(test -e file2, [1], [ignore], [ignore])
 AT_CHECK(test -e file3, [1], [ignore], [ignore])
 
-AT_CHECK(rm -rf MT file1 file2 file3)
+AT_CHECK(rm -rf _MTN file1 file2 file3)
 
 AT_CHECK(MONOTONE co --revision=tag2 ., [], [ignore], [ignore])
 TAG2=`BASE_REVISION`
@@ -64,7 +64,7 @@
 AT_CHECK(test -e file2, [0], [ignore], [ignore])
 AT_CHECK(test -e file3, [1], [ignore], [ignore])
 
-AT_CHECK(rm -rf MT file1 file2 file3)
+AT_CHECK(rm -rf _MTN file1 file2 file3)
 
 AT_CHECK(MONOTONE co --revision=tag3 ., [], [ignore], [ignore])
 TAG3=`BASE_REVISION`
============================================================
--- tests/t_undo_update.at	23512408a71b29946fbeb5b1d5058c6a5f9abd87
+++ tests/t_undo_update.at	622c5975b220b26bf1815ec3eb9a680ad420ab5a
@@ -9,7 +9,7 @@
 #
 # This wouldn't be that hard to do -- before starting an update, make
 # a note of all file modifications being applied, and save copies of
-# them somewhere under MT/.  The only tricky part is making sure we
+# them somewhere under _MTN/.  The only tricky part is making sure we
 # can undo tree rearrangements.
 #
 # For bonus points, use this to implement "workspace rollback" --
============================================================
--- tests/t_unreadable_MT.at	d732c69dc8d90926de48dd11938a48b436265012
+++ tests/t_unreadable_MT.at	1b4a381cf098a344f3a81ec1aefec35580afb7f8
@@ -1,17 +1,17 @@
 #  -*- Autoconf -*-
 
-AT_SETUP([fail cleanly on unreadable MT/options])
+AT_SETUP([fail cleanly on unreadable _MTN/options])
 
 # disable for now; can't see a sane way to test this
 NOT_ON_WIN32
 
 MONOTONE_SETUP
 
-AT_CHECK(chmod a-rwx MT/)
+AT_CHECK(chmod a-rwx _MTN/)
 
 AT_CHECK(monotone --norc, [1], [ignore], [ignore])
 AT_CHECK(monotone, [1], [ignore], [ignore])
 
-AT_CHECK(chmod u+rwx MT/)
+AT_CHECK(chmod u+rwx _MTN/)
 
 AT_CLEANUP
============================================================
--- tests/t_update_branch.at	b6390318109dc91675aa8a174de4a911cf9c8618
+++ tests/t_update_branch.at	33934ce6e4ef6bde1c5ccce8417cc1e7fe750224
@@ -1,4 +1,4 @@
-AT_SETUP([update -b foo updates MT/options correctly])
+AT_SETUP([update -b foo updates _MTN/options correctly])
 MONOTONE_SETUP
 
 ADD_FILE(testfile, [blah blah
@@ -12,17 +12,17 @@
 
 # This update should fail (because not only does it have no update
 # candidate, but it's currently at an off-branch revision); and should
-# not update the MT/options
+# not update the _MTN/options
 AT_CHECK(MONOTONE update -b testbranch, [1], [ignore], [ignore])
-AT_CHECK(QGREP(otherbranch MT/options), [])
-AT_CHECK(QGREP(testbranch MT/options), [1])
+AT_CHECK(QGREP(otherbranch _MTN/options), [])
+AT_CHECK(QGREP(testbranch _MTN/options), [1])
 
 REVERT_TO($REV, testbranch)
-AT_CHECK(QGREP(otherbranch MT/options), [1])
-AT_CHECK(QGREP(testbranch MT/options), [])
+AT_CHECK(QGREP(otherbranch _MTN/options), [1])
+AT_CHECK(QGREP(testbranch _MTN/options), [])
 
 AT_CHECK(MONOTONE update -b otherbranch, [], [ignore], [ignore])
-AT_CHECK(QGREP(otherbranch MT/options), [])
-AT_CHECK(QGREP(testbranch MT/options), [1])
+AT_CHECK(QGREP(otherbranch _MTN/options), [])
+AT_CHECK(QGREP(testbranch _MTN/options), [1])
 
 AT_CLEANUP
============================================================
--- tests/t_update_inodeprints.at	8e9ec9723a232850248e679a59a28c8ec043f3e9
+++ tests/t_update_inodeprints.at	7918726b22ac7cac356448a1a9df80dd4afbe597
@@ -5,10 +5,10 @@
 ])
 COMMIT(testbranch)
 
-AT_CHECK(test -e MT/inodeprints, [1])
+AT_CHECK(test -e _MTN/inodeprints, [1])
 
 AT_CHECK(MONOTONE update_inodeprints)
 
-AT_CHECK(test -s MT/inodeprints)
+AT_CHECK(test -s _MTN/inodeprints)
 
 AT_CLEANUP
============================================================
--- tests/t_update_off_branch.at	0a795cf6e182e2f8f2f5a9bea020b96177c4d3a0
+++ tests/t_update_off_branch.at	b9d36236416ad78ec83e04ad96bb342839ffff8b
@@ -13,6 +13,6 @@
 
 AT_CHECK(MONOTONE checkout --branch=testbranch --revision=$TR codir, [], [ignore], [ignore])
 AT_CHECK(cd codir && MONOTONE update --revision=$OR, [], [ignore], [ignore])
-AT_CHECK(grep '^ *branch "otherbranch"' MT/options, [], [ignore], [ignore])
+AT_CHECK(grep '^ *branch "otherbranch"' _MTN/options, [], [ignore], [ignore])
 
 AT_CLEANUP
============================================================
--- tests/t_update_switch_branch.at	671401ca3e91c9879e3fdf48443960361d97d63b
+++ tests/t_update_switch_branch.at	4dc9c4e7562dded128cca9b56ffb72398c4b6e42
@@ -9,14 +9,14 @@
 
 AT_CHECK(MONOTONE cert $RID1 branch otherbranch, [], [ignore], [ignore])
 
-AT_CHECK(QGREP(testbranch MT/options))
-AT_CHECK(QGREP(otherbranch MT/options), [1])
+AT_CHECK(QGREP(testbranch _MTN/options))
+AT_CHECK(QGREP(otherbranch _MTN/options), [1])
 
 AT_CHECK(MONOTONE update -b otherbranch, [], [ignore], [ignore])
 RID2=`BASE_REVISION`
 AT_CHECK(test "$RID1" = "$RID2")
 
-AT_CHECK(QGREP(testbranch MT/options), [1])
-AT_CHECK(QGREP(otherbranch MT/options))
+AT_CHECK(QGREP(testbranch _MTN/options), [1])
+AT_CHECK(QGREP(otherbranch _MTN/options))
 
 AT_CLEANUP
============================================================
--- tests/t_update_with_blocked_rename.at	dc86b21bd469bee17cb8df586f108a13a4a191be
+++ tests/t_update_with_blocked_rename.at	ec11f3c0fdf105effa16659c990631bbab76cc18
@@ -10,7 +10,7 @@
 # 4. Alice renames one of her files to bar
 # 5. Bob updates
 #
-# the update fails after moving renamed files to MT/tmp/N
+# the update fails after moving renamed files to _MTN/tmp/N
 # where N is the file's tid.
 #
 # Bob is left with a bunch of missing files.
============================================================
--- tests/t_update_with_pending_add.at	af1ac1b21a52bade76fa8fa92cae2c5be1a18321
+++ tests/t_update_with_pending_add.at	191a9bb03fe47fd446be8475be0b38c076b23851
@@ -26,7 +26,7 @@
 
 # make sure there are no changes in the workspace
 
-AT_CHECK(test ! -e codir/MT/work, [], [ignore], [ignore])
+AT_CHECK(test ! -e codir/_MTN/work, [], [ignore], [ignore])
 AT_CHECK(cd codir && MONOTONE diff, [], [stdout], [ignore])
 AT_CHECK(grep 'no changes' stdout, [], [ignore], [ignore])
 
============================================================
--- tests/t_update_with_pending_drop.at	04407e4305991ff2358e52325d584674e8f0fcd2
+++ tests/t_update_with_pending_drop.at	74cf8a3d47adaf7a50ed7b2488b39f0ae8039268
@@ -25,7 +25,7 @@
 
 # make sure there are no changes in the workspace
 
-AT_CHECK(test ! -e codir/MT/work, [], [ignore], [ignore])
+AT_CHECK(test ! -e codir/_MTN/work, [], [ignore], [ignore])
 AT_CHECK(cd codir && MONOTONE diff, [], [stdout], [ignore])
 AT_CHECK(grep 'no changes' stdout, [], [ignore], [ignore])
 
============================================================
--- tests/t_update_with_pending_rename.at	2577008031f11dbdeaceeda708d4238b5b52c641
+++ tests/t_update_with_pending_rename.at	da0deb279259309a94cd9838544b92ba8457b3df
@@ -26,7 +26,7 @@
 
 # make sure there are no changes in the workspace
 
-AT_CHECK(test ! -e codir/MT/work, [], [ignore], [ignore])
+AT_CHECK(test ! -e codir/_MTN/work, [], [ignore], [ignore])
 AT_CHECK(cd codir && MONOTONE diff, [], [stdout], [ignore])
 AT_CHECK(grep 'no changes' stdout, [], [ignore], [ignore])
 
============================================================
--- tests/t_versions.at	49105adca6a5a867ec44be87731651eacb8cb437
+++ tests/t_versions.at	dad3fbfa60f5c9ae1f74fc7aac7913c655903a54
@@ -32,7 +32,7 @@
   AT_CHECK(CANONICALISE(stdout))
   AT_CHECK(cmp stdout testfile, [], [ignore])
 
-  AT_CHECK(rm -rf MT)
+  AT_CHECK(rm -rf _MTN)
   AT_CHECK(MONOTONE checkout --revision=$RSHA ., [], [stdout])
   AT_CHECK(SHA1(testfile), [], [stdout])
   AT_CHECK(cmp stdout fsha-$i, [], [ignore])