fix undo-tree

._config.yml.~undo-tree~

@@ -1,13 +0,0 @@
-(undo-tree-save-format-version . 1)
-"58bff125b4fa2851574ae1d5ddea39da01519cf7"
-[nil nil nil nil (25784 2748 693105 533000) 0 nil]
-([nil nil (("  - jekyll/agda
-" . 184) (t 25731 13391 947645 202000)) nil (25784 2748 693096 475000) 0 nil])
-([nil nil (("
-" . -223) (203 . 224) 184 (t 25784 2748 706419 913000)) nil (25784 3092 539381 615000) 0 nil])
-([nil nil ((214 . 219) ("-minifier" . 214) (undo-tree-id0 . -9) (undo-tree-id1 . -9)) nil (25784 9662 492295 704000) 0 nil])
-([nil nil (("
-" . -287) (273 . 288) 260 (t 25784 3092 544429 619000)) nil (25784 9666 665317 968000) 0 nil] [nil nil ((261 . 327) 260 (t 25784 3092 544429 619000)) (("                                                                  " . 261) (undo-tree-id0 . -65) (undo-tree-id1 . -65) (undo-tree-id2 . -65) (undo-tree-id3 . -65)) (25784 9662 491895 244000) 0 nil])
-([nil current ((284 . 288) (279 . 284) ("LICENSE" . 279)) nil (25784 9666 665309 125000) 0 nil])
-nil
-nil

.gitignore

@@ -3,3 +3,4 @@
 _site
 *.agdai
 .jekyll-metadata
+.*.~undo-tree~

.shell.nix.~undo-tree~

@@ -1,53 +0,0 @@
-(undo-tree-save-format-version . 1)
-"523c7493ee2508bc1f1b95adc6e5631228e37c2a"
-[nil nil nil nil (25784 9246 552220 825000) 0 nil]
-([nil nil ((34 . 37) (18 . 34) (7 . 18) (4 . 7) (#(" " 0 1 (fontified t)) . -4) (undo-tree-id0 . -1) (#("=" 0 1 (fontified t)) . -5) (undo-tree-id1 . -1) (#(" " 0 1 (fontified t)) . -6) (undo-tree-id2 . -1) 7 (1 . 7) (t . -1)) nil (25784 9246 552217 80000) 0 nil])
-([nil nil ((37 . 38)) nil (25784 9246 552175 288000) 0 nil])
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-" 0 1 (fontified t)) . -35) (undo-tree-id11 . -1) (undo-tree-id12 . -1) (#(" " 0 1 (fontified t)) . -36) (undo-tree-id13 . -1) (undo-tree-id14 . -1) (#(" " 0 1 (fontified t)) . -37) (undo-tree-id15 . -1) (undo-tree-id16 . -1) 38 (36 . 38) (#("  " 0 2 (fontified nil)) . 35) (undo-tree-id17 . -1) (undo-tree-id18 . -2) (undo-tree-id19 . -1) (undo-tree-id20 . -1) (37 . 38) (t 25784 9246 557023 909000)) nil (25784 9281 26107 507000) 0 nil])
-([nil nil ((#("  " 0 2 (fontified nil)) . -70) (undo-tree-id9 . -2) (72 . 73) (67 . 72) (55 . 67) (52 . 55) 38) nil (25784 9281 26088 217000) 0 nil])
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-" 0 1 (fontified t)) . -73) (undo-tree-id4 . -1) (#(" " 0 1 (fontified t)) . -74) (undo-tree-id5 . -1) (#(" " 0 1 (fontified t)) . -75) (undo-tree-id6 . -1) (#(" " 0 1 (fontified t)) . -76) (undo-tree-id7 . -1) (#(" " 0 1 (fontified nil)) . -77) 78 (73 . 78) (72 . 73) (#("h" 0 1 (fontified t)) . -72) (undo-tree-id8 . -1) 73 (72 . 73) (67 . 72) 55) nil (25784 9281 26076 601000) 0 nil])
-([nil nil (39) nil (25784 9289 175461 447000) 0 nil])
-([nil nil ((38 . 49) (t 25784 9281 32556 286000)) nil (25784 9289 175453 849000) 0 nil])
-([nil nil ((#("pkgs" 0 4 (fontified t)) . 49) (undo-tree-id22 . 4) (t 25784 9289 180448 609000)) nil (25784 9293 378235 843000) 0 nil])
-([nil nil ((#("." 0 1 (fontified t)) . 49) (undo-tree-id21 . 1)) nil (25784 9293 378228 63000) 0 nil])
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-([nil nil ((92 . 93) (t 25784 9299 446314 437000)) nil (25784 9304 469228 604000) 0 nil])
-([nil nil ((114 . 116) (112 . 114) (111 . 112) (99 . 111) (#("l" 0 1 (fontified t)) . -99) (undo-tree-id239 . -1) 100 (97 . 100) (95 . 97) (#("  " 0 2 (fontified nil)) . 94) (undo-tree-id240 . -2) (undo-tree-id241 . -2) (96 . 97) (93 . 96) (t 25784 9304 477249 281000) 92) nil (25784 9344 934497 505000) 0 nil])
-([nil nil ((#("  shellHook = ''
-  ''
-" 0 2 (fontified t) 2 11 (fontified t face nix-attribute-face) 11 14 (fontified t) 14 15 (syntax-table (15) nix-string-type 39 fontified t face font-lock-string-face) 15 17 (fontified t face font-lock-string-face) 17 20 (fontified t face font-lock-string-face) 20 21 (fontified t syntax-table (15) nix-string-type 39 face font-lock-string-face) 21 22 (fontified t)) . 95) (undo-tree-id150 . 1) (undo-tree-id151 . -3) (undo-tree-id152 . -3) (undo-tree-id153 . -3) (undo-tree-id154 . -3) (undo-tree-id155 . -3) (undo-tree-id156 . -3) (undo-tree-id157 . -3) (undo-tree-id158 . -3) (undo-tree-id159 . -3) (undo-tree-id160 . -3) (undo-tree-id161 . -3) (undo-tree-id162 . -3) (undo-tree-id163 . -3) (undo-tree-id164 . -3) (undo-tree-id165 . -3) (undo-tree-id166 . -3) (undo-tree-id167 . -3) (undo-tree-id168 . -3) (undo-tree-id169 . -3) (undo-tree-id170 . -3) (undo-tree-id171 . -3) (undo-tree-id172 . -3) (undo-tree-id173 . -3) (undo-tree-id174 . -3) (undo-tree-id175 . -3) (undo-tree-id176 . -3) (undo-tree-id177 . -3) (undo-tree-id178 . -3) (undo-tree-id179 . -3) (undo-tree-id180 . -3) (undo-tree-id181 . -3) (undo-tree-id182 . -3) (undo-tree-id183 . -3) (undo-tree-id184 . -3) (undo-tree-id185 . -3) (undo-tree-id186 . -3) (undo-tree-id187 . -3) (undo-tree-id188 . -3) (undo-tree-id189 . -3) (undo-tree-id190 . -3) (undo-tree-id191 . -3) (undo-tree-id192 . -3) (undo-tree-id193 . -3) (undo-tree-id194 . -3) (undo-tree-id195 . -3) (undo-tree-id196 . -3) (undo-tree-id197 . -3) (undo-tree-id198 . -3) (undo-tree-id199 . -3) (undo-tree-id200 . -3) (undo-tree-id201 . -3) (undo-tree-id202 . -3) (undo-tree-id203 . -3) (undo-tree-id204 . -3) (undo-tree-id205 . -3) (undo-tree-id206 . -3) (undo-tree-id207 . -3) (undo-tree-id208 . -3) (undo-tree-id209 . -3) (undo-tree-id210 . -3) (undo-tree-id211 . -3) (undo-tree-id212 . -3) (undo-tree-id213 . -3) (undo-tree-id214 . -3) (undo-tree-id215 . -3) (undo-tree-id216 . -3) (undo-tree-id217 . -3) (undo-tree-id218 . -3) (undo-tree-id219 . -3) (undo-tree-id220 . -3) (undo-tree-id221 . -3) (undo-tree-id222 . -3) (undo-tree-id223 . -3) (undo-tree-id224 . -3) (undo-tree-id225 . -3) (undo-tree-id226 . -3) (undo-tree-id227 . -3) (undo-tree-id228 . -3) (undo-tree-id229 . -3) (undo-tree-id230 . -3) (undo-tree-id231 . -3) (undo-tree-id232 . -3) (undo-tree-id233 . -3) (undo-tree-id234 . -3) (undo-tree-id235 . -3) (undo-tree-id236 . -3) (undo-tree-id237 . -3) (undo-tree-id238 . -3) 98) nil (25784 9344 934475 573000) 0 nil])
-([nil nil ((#("
-" 0 1 (fontified t)) . 94) (undo-tree-id47 . -1) (undo-tree-id48 . -1) (undo-tree-id49 . -1) (undo-tree-id50 . -1) (undo-tree-id51 . -1) (undo-tree-id52 . -1) (undo-tree-id53 . -1) (undo-tree-id54 . -1) (undo-tree-id55 . -1) (undo-tree-id56 . -1) (undo-tree-id57 . -1) (undo-tree-id58 . -1) (undo-tree-id59 . -1) (undo-tree-id60 . -1) (undo-tree-id61 . -1) (undo-tree-id62 . -1) (undo-tree-id63 . -1) (undo-tree-id64 . -1) (undo-tree-id65 . -1) (undo-tree-id66 . -1) (undo-tree-id67 . -1) (undo-tree-id68 . -1) (undo-tree-id69 . -1) (undo-tree-id70 . -1) (undo-tree-id71 . -1) (undo-tree-id72 . -1) (undo-tree-id73 . -1) (undo-tree-id74 . -1) (undo-tree-id75 . -1) (undo-tree-id76 . -1) (undo-tree-id77 . -1) (undo-tree-id78 . -1) (undo-tree-id79 . -1) (undo-tree-id80 . -1) (undo-tree-id81 . -1) (undo-tree-id82 . -1) (undo-tree-id83 . -1) (undo-tree-id84 . -1) (undo-tree-id85 . -1) (undo-tree-id86 . -1) (undo-tree-id87 . -1) (undo-tree-id88 . -1) (undo-tree-id89 . -1) (undo-tree-id90 . -1) (undo-tree-id91 . -1) (undo-tree-id92 . -1) (undo-tree-id93 . -1) (undo-tree-id94 . -1) (undo-tree-id95 . -1) (undo-tree-id96 . -1) (undo-tree-id97 . -1) (undo-tree-id98 . -1) (undo-tree-id99 . -1) (undo-tree-id100 . -1) (undo-tree-id101 . -1) (undo-tree-id102 . -1) (undo-tree-id103 . -1) (undo-tree-id104 . -1) (undo-tree-id105 . -1) (undo-tree-id106 . -1) (undo-tree-id107 . -1) (undo-tree-id108 . -1) (undo-tree-id109 . -1) (undo-tree-id110 . -1) (undo-tree-id111 . -1) (undo-tree-id112 . -1) (undo-tree-id113 . -1) (undo-tree-id114 . -1) (undo-tree-id115 . -1) (undo-tree-id116 . -1) (undo-tree-id117 . -1) (undo-tree-id118 . -1) (undo-tree-id119 . -1) (undo-tree-id120 . -1) (undo-tree-id121 . -1) (undo-tree-id122 . -1) (undo-tree-id123 . -1) (undo-tree-id124 . -1) (undo-tree-id125 . -1) (undo-tree-id126 . -1) (undo-tree-id127 . -1) (undo-tree-id128 . -1) (undo-tree-id129 . -1) (undo-tree-id130 . -1) (undo-tree-id131 . -1) (undo-tree-id132 . -1) (undo-tree-id133 . -1) (undo-tree-id134 . -1) (undo-tree-id135 . -1) (undo-tree-id136 . -1) (undo-tree-id137 . -1) (undo-tree-id138 . -1) (undo-tree-id139 . -1) (undo-tree-id140 . -1) (undo-tree-id141 . -1) (undo-tree-id142 . -1) (undo-tree-id143 . -1) (undo-tree-id144 . -1) (undo-tree-id145 . -1) (undo-tree-id146 . -1) (undo-tree-id147 . -1) (undo-tree-id148 . -1) (undo-tree-id149 . -1)) nil (25784 9344 934375 208000) 0 nil])
-([nil nil ((nil rear-nonsticky nil 36 . 37) (#("
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-([nil nil ((#("with pkgs" 0 1 (face nix-keyword-face fontified t) 1 4 (fontified t face nix-keyword-face) 4 9 (fontified t)) . 2164) (t 25784 9426 410780 491000)) nil (25784 9430 898372 649000) 0 nil])
-nil
-([nil nil ((#(";" 0 1 (fontified t)) . 2164)) nil (25784 9430 898370 733000) 0 nil])
-([nil nil ((#(" " 0 1 (fontified t)) . 2164)) nil (25784 9430 898361 942000) 0 nil])
-([nil nil ((43 . 62) (#("pkgs" 0 4 (fontified t)) . 43) (t 25784 9430 913729 973000)) nil (25784 9458 363364 943000) 0 nil])
-([nil nil ((#("let
-  pkgs = import <nixpkgs> {};
-" 0 3 (fontified t face nix-keyword-face) 3 4 (fontified t) 4 6 (fontified t) 6 10 (fontified t face nix-attribute-face) 10 13 (fontified t) 13 19 (fontified t face nix-builtin-face) 19 20 (fontified t) 20 29 (fontified t face nix-constant-face) 29 33 (fontified t) 33 34 (fontified t)) . 1) (undo-tree-id298 . -30) (undo-tree-id299 . 4) (undo-tree-id300 . -31) (undo-tree-id301 . 3) (undo-tree-id302 . -32) (undo-tree-id303 . -4) (undo-tree-id304 . -30) (undo-tree-id305 . -30) (undo-tree-id306 . -30) (undo-tree-id307 . -30) (undo-tree-id308 . -30) (undo-tree-id309 . -30) (undo-tree-id310 . -30) (undo-tree-id311 . -30) (undo-tree-id312 . -30) (undo-tree-id313 . -30) (undo-tree-id314 . -30) (undo-tree-id315 . -30) (undo-tree-id316 . -30) (undo-tree-id317 . -30) (undo-tree-id318 . -30) (undo-tree-id319 . -30) (undo-tree-id320 . -30) (undo-tree-id321 . -30) (undo-tree-id322 . -30) (undo-tree-id323 . -30) (undo-tree-id324 . -30) (undo-tree-id325 . -30) (undo-tree-id326 . -30) (undo-tree-id327 . -30) 31) nil (25784 9458 363357 73000) 0 nil])
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-nil
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-([nil current ((2184 . 2190) (2179 . 2184) (t 25784 9587 159113 922000) 2178) nil (25784 9646 114392 527000) 0 nil])
-nil

_drafts/.the-algebra-in-algebraic-datatypes.md.~undo-tree~

@@ -1,4 +0,0 @@
-(undo-tree-save-format-version . 1)
-"14b4fac3fb89459c858bfc19e2649db580c097ce"
-[nil current nil nil (25784 9131 42808 229000) 0 nil]
-nil

_layouts/.default.html.~undo-tree~

@@ -1,4 +0,0 @@
-(undo-tree-save-format-version . 1)
-"b4678c7c50ca2382a4ee19802e15ad4b121d22a9"
-[nil current nil nil (25733 45126 379234 704000) 0 nil]
-nil