MauveCloud's Browser Tests: Romaji Conversion

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This uses JavaScript to convert a string into hiragana and katakana. I have created a list of romaji sequences so that it will do something with every letter in the input string (usually by guessing at missing vowels), though the results won't always make sense, and I have added a number of sequences that may not be officially accepted in Japan. This version uses if/elseif constructs, so it should be quite fast.

This is partially inspired by the romaji converter that is built into Jim Breen's WWWJDIC Japanese-English Dictionary Server, and I think anything that converter can handle will be done the same way by this one (such as "x" for small forms, the voiced forms of "ti/chi" and "tu/tsu", and a hyphen for the katakana long vowel mark), but this one is a bit more powerful.

Key features:

• Support for apostrophes to distinguish certain kana sequences that require small kana vowels. Some examples are "t'i", "t'u", "s'i", and "w'i". For such sequences, any vowel can be used after the apostrophe, even if using the associated small kana vowel doesn't make sense, such as "s'u". An apostrophe after "n" forces the use of the syllabic "n" kana. Other apostrophes will usually be left in the hiragana.
• Vowel guessing: if a consonant sound other than "n" is at the end of the word or followed by another consonant, the default kana for that consonant will be used (usually the one ending in "u"). However, "m" will be converted to the "n" kana only before "b", "m", and "p".
• The letter "x" will act like "kisu" if not followed by something that can be converted to small kana. I have also added "x'" to get "kis" + vowel sound. For example, the katakana sequence for Texas can be obtained by entering "tex'as".
• The sequence "ck" is an alternate for "kk".
• The letter "l" can be used in place of "r", though "rl" is allowed for double-consonants, but not "lr".
• The sequences "kw" and "qu" can be used for "ku" + small kana vowel. Sequences "gw", "ts", and "tw" are also supported, and "k" can be used in front of a "q" sequence.
• The Japanese comma and period can be generated in the sequence by using their English equivalents in the "Romaji" field. If an English period is required, such as for separating the stem from the okurigana when searching a kanji dictionary, use "\.".
• Long vowels are automatically given the long vowel mark in the katakana even if a hyphen was not used in the romaji. This version can also handle traditional romaji with circumflexes or macron accents, though it will always treat "ô" like "ou" for the hiragana, but like "o-" for katakana.

If you have any questions or suggestions (esp. additions or corrections), you can e-mail me: mauvecloud at mauvecloud dot net (I won't make this a mailto link, as that would merely encourage spam generators).