Add hypen-minus 002D, and make various improvements.

data/extras-unicode.csv

@@ -94,3 +94,4 @@ emoji,hexcode,group,subgroups,annotation,openmoji_tags,openmoji_author,openmoji_
 🇽,1F1FD,extras-unicode,regional-indicator,regional indicator X,"alphabet, letter, upper case, type",Daniel Utz,2022-06-12,6
 🇾,1F1FE,extras-unicode,regional-indicator,regional indicator Y,"alphabet, letter, upper case, type",Daniel Utz,2022-06-12,6
 🇿,1F1FF,extras-unicode,regional-indicator,regional indicator Z,"alphabet, letter, upper case, type",Daniel Utz,2022-06-12,6
+-,002D,extras-unicode,symbol-other,hyphen-minus,"hyphen, minus, dash, line",Robert Winslow,2022-12-24,1

data/openmoji.csv

@@ -4029,6 +4029,7 @@ emoji,hexcode,group,subgroups,annotation,tags,openmoji_tags,openmoji_author,open
 🏴󠁦󠁲󠁢󠁲󠁥󠁿,1F3F4-E0066-E0072-E0062-E0072-E0065-E007F,extras-unicode,subdivision-flag,bretagne flag,,"breton, brittany, gwenn-ha-du",Sam Hocevar,2021-03-15,,,,,?,
 🏴󠁵󠁳󠁣󠁡󠁿,1F3F4-E0075-E0073-E0063-E0061-E007F,extras-unicode,subdivision-flag,california flag,,"bear, republic, state",Alexander Müller,2020-04-26,,,,,?,
 🏴󠁵󠁳󠁴󠁸󠁿,1F3F4-E0075-E0073-E0074-E0078-E007F,extras-unicode,subdivision-flag,texas flag,,"cowboy, lone star, republic, state",Carlin MacKenzie,2020-04-03,,,,,?,
+-,002D,extras-unicode,symbol-other,hyphen-minus,,"hyphen, minus, dash, line",Robert Winslow,2022-12-24,,,,,1,
 🄍,1F10D,extras-unicode,symbol-other,circled zero with slash,,"license, copyright, creative commons, open, libre, public domain",Carlin MacKenzie,2020-04-17,,,,,13,
 🄎,1F10E,extras-unicode,symbol-other,circled anticlockwise arrow,,"license, copyright, creative commons, open, libre, share alike",Carlin MacKenzie,2020-04-17,,,,,13,
 🄏,1F10F,extras-unicode,symbol-other,circled dollar sign with overlaid backslash,,"license, copyright, creative commons, open, libre, non commercial",Carlin MacKenzie,2020-04-17,,,,,13,

data/openmoji.json

@@ -68509,6 +68509,23 @@
     "unicode": "?",
     "order": ""
   },
+  {
+    "emoji": "-",
+    "hexcode": "002D",
+    "group": "extras-unicode",
+    "subgroups": "symbol-other",
+    "annotation": "hyphen-minus",
+    "tags": "",
+    "openmoji_tags": "hyphen, minus, dash, line",
+    "openmoji_author": "Robert Winslow",
+    "openmoji_date": "2022-12-24",
+    "skintone": "",
+    "skintone_combination": "",
+    "skintone_base_emoji": "",
+    "skintone_base_hexcode": "",
+    "unicode": "1",
+    "order": ""
+  },
   {
     "emoji": "🄍",
     "hexcode": "1F10D",