troff: import HB, HI and HX fonts from Plan 9

These font were accidentally left out, because
their name conflicted with Hb, Hi and Hx fonts
on case-insensitive file systems. These fonts
were later renamed to longer names.

Fixes #84.

Change-Id: Ia0631f270a8cee6bee4337c4557837bba1a405ab
Reviewed-on: https://plan9port-review.googlesource.com/2900
Reviewed-by: Russ Cox <rsc@swtch.com>
diff --git a/troff/font/devutf/HB b/troff/font/devutf/HB
new file mode 100644
index 0000000..95bbf74
--- /dev/null
+++ b/troff/font/devutf/HB
@@ -0,0 +1,306 @@
+name HB
+fontname Helvetica-Bold
+named in prologue
+spacewidth 28
+charset
+!	33	2	33
+"	47	2	34
+dq	"
+#	56	2	35
+$	56	3	36
+%	89	2	37
+&	72	2	38
+'	28	2	39
+(	33	3	40
+)	33	3	41
+*	39	2	42
++	58	0	43
+,	28	1	44
+-	33	0	173
+.	28	0	46
+/	28	2	47
+0	56	2	48
+1	56	2	49
+2	56	2	50
+3	56	2	51
+4	56	2	52
+5	56	2	53
+6	56	2	54
+7	56	2	55
+8	56	2	56
+9	56	2	57
+:	33	0	58
+;	33	1	59
+---	58	0	60
+=	58	0	61
+---	58	0	62
+?	61	2	63
+@	98	3	64
+A	72	2	65
+B	72	2	66
+C	72	2	67
+D	72	2	68
+E	67	2	69
+F	61	2	70
+G	78	2	71
+H	72	2	72
+I	28	2	73
+J	56	2	74
+K	72	2	75
+L	61	2	76
+M	83	2	77
+N	72	2	78
+O	78	2	79
+P	67	2	80
+Q	78	2	81
+R	72	2	82
+S	67	2	83
+T	61	2	84
+U	72	2	85
+V	67	2	86
+W	94	2	87
+X	67	2	88
+Y	67	2	89
+Z	61	2	90
+[	33	3	91
+\	28	2	92
+bs	"
+]	33	3	93
+^	33	2	147
+---	58	2	94
+---	56	1	95
+`	28	2	96
+a	56	0	97
+b	61	2	98
+c	56	0	99
+d	61	2	100
+e	56	0	101
+f	33	2	102
+g	61	1	103
+h	61	2	104
+i	28	2	105
+j	28	3	106
+k	56	2	107
+l	28	2	108
+m	89	0	109
+n	61	0	110
+o	61	0	111
+p	61	1	112
+q	61	1	113
+r	39	0	114
+s	56	0	115
+t	33	2	116
+u	61	0	117
+v	56	0	118
+w	78	0	119
+x	56	0	120
+y	56	1	121
+z	50	0	122
+{	39	3	123
+---	28	3	124
+}	39	3	125
+~	33	2	148
+---	58	0	126
+\`	33	2	145
+ga	"
+!!	33	1	161
+¡	"
+c|	56	3	162
+ct	"
+¢	"
+L-	56	2	163
+£	"
+ps	"
+xo	56	2	164
+¤	"
+cr	"
+Y-	56	2	165
+¥	"
+yn	"
+||	28	3	166
+¦	"
+so	56	3	167
+sc	"
+§	"
+""	33	2	168
+¨	"
+:a	"
+co	74	2	169
+©	"
+a_	37	2	170
+ª	"
+<<	56	0	171
+«	"
+-,	58	0	172
+hy	33	0	173
+--	58	0	45
+­	"
+ro	74	2	174
+rg	"
+®	"
+-^	33	2	175
+-a	"
+¯	"
+0^	40	2	176
+°	"
++-	58	2	177
+±	"
+2^	33	2	178
+²	"
+3^	33	2	179
+³	"
+\'	33	2	180
+aa	"
+´	"
+/u	61	1	181
+µ	"
+P!	56	3	182
+pg	"
+¶	"
+.^	28	0	183
+·	"
+,,	33	1	184
+¸	"
+,a	"
+1^	33	2	185
+¹	"
+o_	37	2	186
+º	"
+>>	56	0	187
+»	"
+14	83	2	188
+¼	"
+12	83	2	189
+½	"
+34	83	2	190
+¾	"
+??	61	1	191
+¿	"
+A`	72	2	192
+À	"
+A'	72	2	193
+Á	"
+A^	72	2	194
+Â	"
+A~	72	2	195
+Ã	"
+A"	72	2	196
+Ä	"
+A*	72	2	197
+Å	"
+AE	100	2	198
+Æ	"
+C,	72	3	199
+Ç	"
+E`	67	2	200
+È	"
+E'	67	2	201
+É	"
+E^	67	2	202
+Ê	"
+E"	67	2	203
+Ë	"
+I`	28	2	204
+Ì	"
+I'	28	2	205
+Í	"
+I^	28	2	206
+Î	"
+I"	28	2	207
+Ï	"
+D-	72	2	208
+Ð	"
+N~	72	2	209
+Ñ	"
+O`	78	2	210
+Ò	"
+O'	78	2	211
+Ó	"
+O^	78	2	212
+Ô	"
+O~	78	2	213
+Õ	"
+O"	78	2	214
+Ö	"
+xx	58	0	215
+×	"
+O/	78	2	216
+Ø	"
+U`	72	2	217
+Ù	"
+U'	72	2	218
+Ú	"
+U^	72	2	219
+Û	"
+U"	72	2	220
+Ü	"
+Y'	67	2	221
+Ý	"
+TH	67	2	222
+Þ	"
+ss	61	2	223
+ß	"
+a`	56	2	224
+à	"
+a'	56	2	225
+á	"
+a^	56	2	226
+â	"
+a~	56	2	227
+ã	"
+a"	56	2	228
+ä	"
+a*	56	2	229
+å	"
+ae	89	0	230
+æ	"
+c,	56	1	231
+ç	"
+e`	56	2	232
+è	"
+e'	56	2	233
+é	"
+e^	56	2	234
+ê	"
+e"	56	2	235
+ë	"
+i`	28	2	236
+ì	"
+i'	28	2	237
+í	"
+i^	28	2	238
+î	"
+i"	28	2	239
+ï	"
+d-	61	2	240
+ð	"
+n~	61	2	241
+ñ	"
+o`	61	2	242
+ò	"
+o'	61	2	243
+ó	"
+o^	61	2	244
+ô	"
+o~	61	2	245
+õ	"
+o"	61	2	246
+ö	"
+-:	58	0	247
+÷	"
+o/	61	0	248
+ø	"
+u`	61	2	249
+ù	"
+u'	61	2	250
+ú	"
+u^	61	2	251
+û	"
+u"	61	2	252
+ü	"
+y'	56	3	253
+ý	"
+th	61	3	254
+þ	"
+y"	56	3	255
+ÿ	"
diff --git a/troff/font/devutf/HI b/troff/font/devutf/HI
new file mode 100644
index 0000000..52b7203
--- /dev/null
+++ b/troff/font/devutf/HI
@@ -0,0 +1,306 @@
+name HI
+fontname Helvetica-Oblique
+named in prologue
+spacewidth 28
+charset
+!	28	2	33
+"	36	2	34
+dq	"
+#	56	2	35
+$	56	3	36
+%	89	2	37
+&	67	2	38
+'	22	2	39
+(	33	3	40
+)	33	3	41
+*	39	2	42
++	58	0	43
+,	28	1	44
+-	33	0	173
+.	28	0	46
+/	28	2	47
+0	56	2	48
+1	56	2	49
+2	56	2	50
+3	56	2	51
+4	56	2	52
+5	56	2	53
+6	56	2	54
+7	56	2	55
+8	56	2	56
+9	56	2	57
+:	28	0	58
+;	28	1	59
+---	58	0	60
+=	58	0	61
+---	58	0	62
+?	56	2	63
+@	102	3	64
+A	67	2	65
+B	67	2	66
+C	72	2	67
+D	72	2	68
+E	67	2	69
+F	61	2	70
+G	78	2	71
+H	72	2	72
+I	28	2	73
+J	50	2	74
+K	67	2	75
+L	56	2	76
+M	83	2	77
+N	72	2	78
+O	78	2	79
+P	67	2	80
+Q	78	2	81
+R	72	2	82
+S	67	2	83
+T	61	2	84
+U	72	2	85
+V	67	2	86
+W	94	2	87
+X	67	2	88
+Y	67	2	89
+Z	61	2	90
+[	28	3	91
+\	28	2	92
+bs	"
+]	28	3	93
+^	33	2	147
+---	47	2	94
+---	56	1	95
+`	22	2	96
+a	56	0	97
+b	56	2	98
+c	50	0	99
+d	56	2	100
+e	56	0	101
+f	28	2	102
+g	56	1	103
+h	56	2	104
+i	22	2	105
+j	22	3	106
+k	50	2	107
+l	22	2	108
+m	83	0	109
+n	56	0	110
+o	56	0	111
+p	56	1	112
+q	56	1	113
+r	33	0	114
+s	50	0	115
+t	28	2	116
+u	56	0	117
+v	50	0	118
+w	72	0	119
+x	50	0	120
+y	50	1	121
+z	50	0	122
+{	33	3	123
+---	26	3	124
+}	33	3	125
+~	33	2	148
+---	58	0	126
+\`	33	2	145
+ga	"
+!!	33	1	161
+¡	"
+c|	56	3	162
+ct	"
+¢	"
+L-	56	2	163
+£	"
+ps	"
+xo	56	0	164
+¤	"
+cr	"
+Y-	56	2	165
+¥	"
+yn	"
+||	26	3	166
+¦	"
+so	56	3	167
+sc	"
+§	"
+""	33	2	168
+¨	"
+:a	"
+co	74	2	169
+©	"
+a_	37	2	170
+ª	"
+<<	56	0	171
+«	"
+-,	58	0	172
+hy	33	0	173
+--	58	0	45
+­	"
+ro	74	2	174
+rg	"
+®	"
+-^	33	2	175
+-a	"
+¯	"
+0^	40	2	176
+°	"
++-	58	2	177
+±	"
+2^	33	2	178
+²	"
+3^	33	2	179
+³	"
+\'	33	2	180
+aa	"
+´	"
+/u	56	1	181
+µ	"
+P!	54	3	182
+pg	"
+¶	"
+.^	28	0	183
+·	"
+,,	33	1	184
+¸	"
+,a	"
+1^	33	2	185
+¹	"
+o_	37	2	186
+º	"
+>>	56	0	187
+»	"
+14	83	2	188
+¼	"
+12	83	2	189
+½	"
+34	83	2	190
+¾	"
+??	61	1	191
+¿	"
+A`	67	2	192
+À	"
+A'	67	2	193
+Á	"
+A^	67	2	194
+Â	"
+A~	67	2	195
+Ã	"
+A"	67	2	196
+Ä	"
+A*	67	2	197
+Å	"
+AE	100	2	198
+Æ	"
+C,	72	3	199
+Ç	"
+E`	67	2	200
+È	"
+E'	67	2	201
+É	"
+E^	67	2	202
+Ê	"
+E"	67	2	203
+Ë	"
+I`	28	2	204
+Ì	"
+I'	28	2	205
+Í	"
+I^	28	2	206
+Î	"
+I"	28	2	207
+Ï	"
+D-	72	2	208
+Ð	"
+N~	72	2	209
+Ñ	"
+O`	78	2	210
+Ò	"
+O'	78	2	211
+Ó	"
+O^	78	2	212
+Ô	"
+O~	78	2	213
+Õ	"
+O"	78	2	214
+Ö	"
+xx	58	0	215
+×	"
+O/	78	2	216
+Ø	"
+U`	72	2	217
+Ù	"
+U'	72	2	218
+Ú	"
+U^	72	2	219
+Û	"
+U"	72	2	220
+Ü	"
+Y'	67	2	221
+Ý	"
+TH	67	2	222
+Þ	"
+ss	61	2	223
+ß	"
+a`	56	2	224
+à	"
+a'	56	2	225
+á	"
+a^	56	2	226
+â	"
+a~	56	2	227
+ã	"
+a"	56	2	228
+ä	"
+a*	56	2	229
+å	"
+ae	89	0	230
+æ	"
+c,	50	1	231
+ç	"
+e`	56	2	232
+è	"
+e'	56	2	233
+é	"
+e^	56	2	234
+ê	"
+e"	56	2	235
+ë	"
+i`	28	2	236
+ì	"
+i'	28	2	237
+í	"
+i^	28	2	238
+î	"
+i"	28	2	239
+ï	"
+d-	56	2	240
+ð	"
+n~	56	2	241
+ñ	"
+o`	56	2	242
+ò	"
+o'	56	2	243
+ó	"
+o^	56	2	244
+ô	"
+o~	56	2	245
+õ	"
+o"	56	2	246
+ö	"
+-:	58	0	247
+÷	"
+o/	61	0	248
+ø	"
+u`	56	2	249
+ù	"
+u'	56	2	250
+ú	"
+u^	56	2	251
+û	"
+u"	56	2	252
+ü	"
+y'	50	3	253
+ý	"
+th	56	3	254
+þ	"
+y"	50	3	255
+ÿ	"
diff --git a/troff/font/devutf/HX b/troff/font/devutf/HX
new file mode 100644
index 0000000..376c3ce
--- /dev/null
+++ b/troff/font/devutf/HX
@@ -0,0 +1,306 @@
+name HX
+fontname Helvetica-BoldOblique
+named in prologue
+spacewidth 28
+charset
+!	33	2	33
+"	47	2	34
+dq	"
+#	56	2	35
+$	56	3	36
+%	89	2	37
+&	72	2	38
+'	28	2	39
+(	33	3	40
+)	33	3	41
+*	39	2	42
++	58	0	43
+,	28	1	44
+-	33	0	173
+.	28	0	46
+/	28	2	47
+0	56	2	48
+1	56	2	49
+2	56	2	50
+3	56	2	51
+4	56	2	52
+5	56	2	53
+6	56	2	54
+7	56	2	55
+8	56	2	56
+9	56	2	57
+:	33	0	58
+;	33	1	59
+---	58	0	60
+=	58	0	61
+---	58	0	62
+?	61	2	63
+@	98	3	64
+A	72	2	65
+B	72	2	66
+C	72	2	67
+D	72	2	68
+E	67	2	69
+F	61	2	70
+G	78	2	71
+H	72	2	72
+I	28	2	73
+J	56	2	74
+K	72	2	75
+L	61	2	76
+M	83	2	77
+N	72	2	78
+O	78	2	79
+P	67	2	80
+Q	78	2	81
+R	72	2	82
+S	67	2	83
+T	61	2	84
+U	72	2	85
+V	67	2	86
+W	94	2	87
+X	67	2	88
+Y	67	2	89
+Z	61	2	90
+[	33	3	91
+\	28	2	92
+bs	"
+]	33	3	93
+^	33	2	147
+---	58	2	94
+---	56	1	95
+`	28	2	96
+a	56	0	97
+b	61	2	98
+c	56	0	99
+d	61	2	100
+e	56	0	101
+f	33	2	102
+g	61	1	103
+h	61	2	104
+i	28	2	105
+j	28	3	106
+k	56	2	107
+l	28	2	108
+m	89	0	109
+n	61	0	110
+o	61	0	111
+p	61	1	112
+q	61	1	113
+r	39	0	114
+s	56	0	115
+t	33	2	116
+u	61	0	117
+v	56	0	118
+w	78	0	119
+x	56	0	120
+y	56	1	121
+z	50	0	122
+{	39	3	123
+---	28	3	124
+}	39	3	125
+~	33	2	148
+---	58	0	126
+\`	33	2	145
+ga	"
+!!	33	1	161
+¡	"
+c|	56	3	162
+ct	"
+¢	"
+L-	56	2	163
+£	"
+ps	"
+xo	56	2	164
+¤	"
+cr	"
+Y-	56	2	165
+¥	"
+yn	"
+||	28	3	166
+¦	"
+so	56	3	167
+sc	"
+§	"
+""	33	2	168
+¨	"
+:a	"
+co	74	2	169
+©	"
+a_	37	2	170
+ª	"
+<<	56	0	171
+«	"
+-,	58	0	172
+hy	33	0	173
+--	58	0	45
+­	"
+ro	74	2	174
+rg	"
+®	"
+-^	33	2	175
+-a	"
+¯	"
+0^	40	2	176
+°	"
++-	58	2	177
+±	"
+2^	33	2	178
+²	"
+3^	33	2	179
+³	"
+\'	33	2	180
+aa	"
+´	"
+/u	61	1	181
+µ	"
+P!	56	3	182
+pg	"
+¶	"
+.^	28	0	183
+·	"
+,,	33	1	184
+¸	"
+,a	"
+1^	33	2	185
+¹	"
+o_	37	2	186
+º	"
+>>	56	0	187
+»	"
+14	83	2	188
+¼	"
+12	83	2	189
+½	"
+34	83	2	190
+¾	"
+??	61	1	191
+¿	"
+A`	72	2	192
+À	"
+A'	72	2	193
+Á	"
+A^	72	2	194
+Â	"
+A~	72	2	195
+Ã	"
+A"	72	2	196
+Ä	"
+A*	72	2	197
+Å	"
+AE	100	2	198
+Æ	"
+C,	72	3	199
+Ç	"
+E`	67	2	200
+È	"
+E'	67	2	201
+É	"
+E^	67	2	202
+Ê	"
+E"	67	2	203
+Ë	"
+I`	28	2	204
+Ì	"
+I'	28	2	205
+Í	"
+I^	28	2	206
+Î	"
+I"	28	2	207
+Ï	"
+D-	72	2	208
+Ð	"
+N~	72	2	209
+Ñ	"
+O`	78	2	210
+Ò	"
+O'	78	2	211
+Ó	"
+O^	78	2	212
+Ô	"
+O~	78	2	213
+Õ	"
+O"	78	2	214
+Ö	"
+xx	58	0	215
+×	"
+O/	78	2	216
+Ø	"
+U`	72	2	217
+Ù	"
+U'	72	2	218
+Ú	"
+U^	72	2	219
+Û	"
+U"	72	2	220
+Ü	"
+Y'	67	2	221
+Ý	"
+TH	67	2	222
+Þ	"
+ss	61	2	223
+ß	"
+a`	56	2	224
+à	"
+a'	56	2	225
+á	"
+a^	56	2	226
+â	"
+a~	56	2	227
+ã	"
+a"	56	2	228
+ä	"
+a*	56	2	229
+å	"
+ae	89	0	230
+æ	"
+c,	56	1	231
+ç	"
+e`	56	2	232
+è	"
+e'	56	2	233
+é	"
+e^	56	2	234
+ê	"
+e"	56	2	235
+ë	"
+i`	28	2	236
+ì	"
+i'	28	2	237
+í	"
+i^	28	2	238
+î	"
+i"	28	2	239
+ï	"
+d-	61	2	240
+ð	"
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+-:	58	0	247
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+ÿ	"