Rename the 'testdata' subdirectory to 'test'.

I'm about to start putting programs in it too, so it would be a
misnomer left like that.

test/colours.txt

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+Test of most colour rendering. Omits the SCO fg and bg sequences,
+since they are destructive.
+Normal text and bold; reverse video and bold
+ANSI plus bold: 0 bold 1 bold 2 bold 3 bold 4 bold 5 bold 6 bold 7 bold
+xterm bright: fg0 bg0 fg1 bg1 fg2 bg2 fg3 bg3 fg4 bg4 fg5 bg5 fg6 bg6 fg7 bg7
+xterm 256: greys                      reds   greens blues  yellow magent cyans 
+0001020304050607 08090a0b0c0d0e0f 1011121314151617 18191a1b1c1d1e1f
+2021222324252627 28292a2b2c2d2e2f 3031323334353637 38393a3b3c3d3e3f
+4041424344454647 48494a4b4c4d4e4f 5051525354555657 58595a5b5c5d5e5f
+6061626364656667 68696a6b6c6d6e6f 7071727374757677 78797a7b7c7d7e7f
+8081828384858687 88898a8b8c8d8e8f 9091929394959697 98999a9b9c9d9e9f
+a0a1a2a3a4a5a6a7 a8a9aaabacadaeaf b0b1b2b3b4b5b6b7 b8b9babbbcbdbebf
+c0c1c2c3c4c5c6c7 c8c9cacbcccdcecf d0d1d2d3d4d5d6d7 d8d9dadbdcdddedf
+e0e1e2e3e4e5e6e7 e8e9eaebecedeeef f0f1f2f3f4f5f6f7 f8f9fafbfcfdfeff
+24-bit colour: SlateGrey OliveDrab goldenrod SaddleBrown DarkViolet (bg)

test/display.txt

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+Test of all features involved in do_text()
+==========================================
+
+Reverse video + red on yellow:       bing! 
+Yellow on red should look the same:  bong! 
+
+Basic attrs, combining chars, both widths: Bold blink underline [Λ̊][チ][text]
+Wide char should be off by 1 narrow char: Bold blink underline [Λ̊][チ][text]
+
+Double width, double height. Should be red top, magenta bottom, blue DW only:
+#3Bold blink underline [Λ̊][チ][text]
+#4Bold blink underline [Λ̊][チ][text]
+#6Bold blink underline [Λ̊][チ][text]
+

test/lattrs.txt

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+Test of line attributes:
+
+#3Double-height top
+#4Double-height bottom
+#5Normal text (#5)
+#6Double-width only

test/scocols.txt

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+Test of (destructive) SCO colour rendering.
+SCO fg: [=0F0[=7F [=1F1[=7F [=2F2[=7F [=3F3[=7F [=4F4[=7F [=5F5[=7F [=6F6[=7F [=7F7[=7F [=8F8[=7F [=9F9[=7F [=10F10[=7F [=11F11[=7F [=12F12[=7F [=13F13[=7F [=14F14[=7F [=15F15[=7F
+SCO bg: [=0G0[=0G [=1G1[=0G [=2G2[=0G [=3G3[=0G [=4G4[=0G [=5G5[=0G [=6G6[=0G [=7G7[=0G [=8G8[=0G [=9G9[=0G [=10G10[=0G [=11G11[=0G [=12G12[=0G [=13G13[=0G [=14G14[=0G [=15G15[=0G

test/utf8.txt

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+Test of UTF-8 output in a terminal emulator
+‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+Some basic Unicode:
+  ∮ E⋅da = Q,  n → ∞, ∑ f(i) = ∏ g(i), ∀x∈ℝ: ⌈x⌉ = −⌊−x⌋, α ∧ ¬β = ¬(¬α ∨ β),
+  ℕ ⊆ ℕ₀ ⊂ ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ, ⊥ < a ≠ b ≡ c ≤ d ≪ ⊤ ⇒ (A ⇔ B),
+
+Combining characters:
+  STARGΛ̊TE SG-1, a = v̇ = r̈, a⃑ ⊥ b⃑
+  [----------------------------|------------------------]
+    ๏ แผ่นดินฮั่นเสื่อมโทรมแสนสังเวช  พระปกเกศกองบู๊กู้ขึ้นใหม่
+  สิบสองกษัตริย์ก่อนหน้าแลถัดไป       สององค์ไซร้โง่เขลาเบาปัญญา
+
+Wide characters with difficult wrapping:
+  Here we go then: コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ コンニチハ
+
+Arabic and bidirectional text:
+            (من مجمع الزوائد ومنبع الفوائد للهيثمي ، ج 1 ، ص  74-84)           
+               عن جرير رضي الله عنه قال قال رسول الله صلى الله عليه
+          وسلم: بني الاسلام على خمس شهادة ان لا اله الا الله واقام              
+Mixed LTR and RTL text: جرير رضي back to LTR.
+
+East Asian Ambiguous characters: ¼½¾¼½¾¼½¾¼½¾¼½¾¼½¾¼½¾¼½¾¼½¾¼½¾

test/vt100.txt

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+VT100 line drawing characters, actually using the VT100 escapes
+(B)0ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
+
+lqqqqqqqqqqpoopqrssrqqqqqqqqqqwqqqqqqqqqqpoopqrssrqqqqqqqqqqk
+x                             x                             x
+x      ooh, swirly!           x       top right corner      x
+x                             x                             x
+tqqqqqqqqqqpoopqrssrqqqqqqqqqqnqqqqqqqqqqpoopqrssrqqqqqqqqqqu
+x                             x                             x
+x     stuff down here         x       is quite inane        x
+x                             x                             x
+mqqqqqqqqqqpoopqrssrqqqqqqqqqqvqqqqqqqqqqpoopqrssrqqqqqqqqqqj
+
+(This won't do the right thing in PuTTY's default UTF-8 translation;
+you'll just see lqqqk letters. It should work with a character set
+like ISO8859-1.)