fix: Removed a duplicated symbols

NEWS

@@ -18,6 +18,7 @@ What's New in libchewing 0.8.0-rc.2 (UNRELEASED)
   - Improved algorithm so using Tab key to find alternative phrasing is more
     responsive.
   - Easy symbol input now accepts arbitrary long "symbols". (rust)
+  - Removed duplicated symbols "●" and "○" from symbols input.
 
 * Buf fixed
   - chewing_cand_CheckDone result was reversed in capi (introduced in v0.7.0)

data/symbols.dat

@@ -5,7 +5,7 @@
 上下括號=︵︶﹁﹂︹︺︷︸︿﹀﹃﹄︽︾︻︼
 希臘字母=αβγδεζηθικλμνξοπρστυφχψωΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ
 數學符號=＋－×÷＝≠≒∞±√＜＞﹤﹥≦≧∩∪ˇ⊥∠∟⊿㏒㏑∫∮∵∴╳﹢
-特殊圖形=↑↓←→↖↗↙↘㊣◎○●⊕⊙○●△▲☆★◇◆□■▽▼§￥〒￠￡※♀♂
+特殊圖形=↑↓←→↖↗↙↘㊣◎○●⊕⊙△▲☆★◇◆□■▽▼§￥〒￠￡※♀♂
 Unicode=♨☀☁☂☃♠♥♣♦♩♪♫♬☺☻
 單線框=├─┼┴┬┤┌┐╞═╪╡│▕└┘╭╮╰╯
 雙線框=╔╦╗╠═╬╣╓╥╖╒╤╕║╚╩╝╟╫╢╙╨╜╞╪╡╘╧╛

tests/test-symbol.c

@@ -183,26 +183,24 @@ static const TestData SYMBOL[] = {
     {"`8<R>2<E>", "\xE2\x97\x8F" /* ● */ },
     {"`8<R>3<E>", "\xE2\x8A\x95" /* ⊕ */ },
     {"`8<R>4<E>", "\xE2\x8A\x99" /* ⊙ */ },
-    {"`8<R>5<E>", "\xE2\x97\x8B" /* ○ */ },
-    {"`8<R>6<E>", "\xE2\x97\x8F" /* ● */ },
-    {"`8<R>7<E>", "\xE2\x96\xB3" /* △ */ },
-    {"`8<R>8<E>", "\xE2\x96\xB2" /* ▲ */ },
-    {"`8<R>9<E>", "\xE2\x98\x86" /* ☆ */ },
-    {"`8<R>0<E>", "\xE2\x98\x85" /* ★ */ },
-    {"`8<R><R>1<E>", "\xE2\x97\x87" /* ◇ */ },
-    {"`8<R><R>2<E>", "\xE2\x97\x86" /* ◆ */ },
-    {"`8<R><R>3<E>", "\xE2\x96\xA1" /* □ */ },
-    {"`8<R><R>4<E>", "\xE2\x96\xA0" /* ■ */ },
-    {"`8<R><R>5<E>", "\xE2\x96\xBD" /* ▽ */ },
-    {"`8<R><R>6<E>", "\xE2\x96\xBC" /* ▼ */ },
-    {"`8<R><R>7<E>", "\xC2\xA7" /* § */ },
-    {"`8<R><R>8<E>", "\xEF\xBF\xA5" /* ￥ */ },
-    {"`8<R><R>9<E>", "\xE3\x80\x92" /* 〒 */ },
-    {"`8<R><R>0<E>", "\xEF\xBF\xA0" /* ￠ */ },
-    {"`8<R><R><R>1<E>", "\xEF\xBF\xA1" /* ￡ */ },
-    {"`8<R><R><R>2<E>", "\xE2\x80\xBB" /* ※ */ },
-    {"`8<R><R><R>3<E>", "\xE2\x99\x80" /* ♀ */ },
-    {"`8<R><R><R>4<E>", "\xE2\x99\x82" /* ♂ */ },
+    {"`8<R>5<E>", "\xE2\x96\xB3" /* △ */ },
+    {"`8<R>6<E>", "\xE2\x96\xB2" /* ▲ */ },
+    {"`8<R>7<E>", "\xE2\x98\x86" /* ☆ */ },
+    {"`8<R>8<E>", "\xE2\x98\x85" /* ★ */ },
+    {"`8<R>9<E>", "\xE2\x97\x87" /* ◇ */ },
+    {"`8<R>0<E>", "\xE2\x97\x86" /* ◆ */ },
+    {"`8<R><R>1<E>", "\xE2\x96\xA1" /* □ */ },
+    {"`8<R><R>2<E>", "\xE2\x96\xA0" /* ■ */ },
+    {"`8<R><R>3<E>", "\xE2\x96\xBD" /* ▽ */ },
+    {"`8<R><R>4<E>", "\xE2\x96\xBC" /* ▼ */ },
+    {"`8<R><R>5<E>", "\xC2\xA7" /* § */ },
+    {"`8<R><R>6<E>", "\xEF\xBF\xA5" /* ￥ */ },
+    {"`8<R><R>7<E>", "\xE3\x80\x92" /* 〒 */ },
+    {"`8<R><R>8<E>", "\xEF\xBF\xA0" /* ￠ */ },
+    {"`8<R><R>9<E>", "\xEF\xBF\xA1" /* ￡ */ },
+    {"`8<R><R>0<E>", "\xE2\x80\xBB" /* ※ */ },
+    {"`8<R><R><R>1<E>", "\xE2\x99\x80" /* ♀ */ },
+    {"`8<R><R><R>2<E>", "\xE2\x99\x82" /* ♂ */ },
     {"`91<E>", "\xE2\x99\xA8" /* ♨ */ },
     {"`92<E>", "\xE2\x98\x80" /* ☀ */ },
     {"`93<E>", "\xE2\x98\x81" /* ☁ */ },