Allow searching for subscript numbers (e.g. H2O)

haukex · Aug 11, 2024 · 47c2250 · 47c2250
1 parent e9fc60f
commit 47c2250
Show file tree

Hide file tree

Showing 2 changed files with 13 additions and 7 deletions.
diff --git a/dict-check.pl b/dict-check.pl
@@ -128,8 +128,8 @@ =head2 Author, Copyright, and License
                 \N{GREEK SMALL LETTER LAMDA}
                 \N{GREEK CAPITAL LETTER OMEGA}
             ] )
-            | [0-9]
-            | [ \N{SUBSCRIPT ZERO} - \N{SUBSCRIPT NINE} ]
+            # Note subscript digits happen to be in sequence in Unicode (U+2080 - U+2089), but superscripts aren't!
+            | [ 0-9 \N{SUBSCRIPT ZERO} - \N{SUBSCRIPT NINE} \N{SUPERSCRIPT TWO} \N{SUPERSCRIPT THREE} ]
 
             # ##### ##### Special Sequences ##### #####
             # characters we would otherwise treat specially
@@ -148,7 +148,7 @@ =head2 Author, Copyright, and License
             # We also treat quotation marks specially below.
             | (?!::) [ \x20 ! $ % & + , \- . / : = ? ~  ' \N{RIGHT SINGLE QUOTATION MARK}
             \N{EN DASH} \N{DEGREE SIGN} \N{SECTION SIGN} \N{HORIZONTAL ELLIPSIS} \N{MICRO SIGN}
-            \N{SUPERSCRIPT TWO} \N{SUPERSCRIPT THREE} \N{VULGAR FRACTION ONE HALF} \N{MULTIPLICATION SIGN}
+            \N{VULGAR FRACTION ONE HALF} \N{MULTIPLICATION SIGN}
             \N{EURO SIGN} \N{POUND SIGN} \N{REGISTERED SIGN} ]
         )
 

diff --git a/src/js/equiv.ts b/src/js/equiv.ts
@@ -88,10 +88,16 @@ const EQUIV :[string[], string[]][] = [
   [ ['...', '…'],             []         ],
   [ ['"', '“', '”', '„'],     []         ],
   // other special sequences
-  [ ['^2'],                   ['²']      ],
-  [ ['^3'],                   ['³']      ],
-  [ ['m2'],                   ['m²']     ],
-  [ ['m3'],                   ['m³']     ],
+  [ ['0'],                    ['₀']      ],
+  [ ['1'],                    ['₁']      ],
+  [ ['2'],                    ['₂','²']  ],
+  [ ['3'] ,                   ['₃','³']  ],
+  [ ['4'],                    ['₄']      ],
+  [ ['5'],                    ['₅']      ],
+  [ ['6'],                    ['₆']      ],
+  [ ['7'],                    ['₇']      ],
+  [ ['8'],                    ['₈']      ],
+  [ ['9'],                    ['₉']      ],
   [ ['1/2'],                  ['½']      ],
   [ ['*', 'x'],               ['×']      ],
   [ ['(R)'],                  ['®']      ],