[XeTeX] Velthuis to Roman translit

[Shree Devi Kumar]

Thank you both for your replies.

With some experimentation and change in rules, I have got it to work.

The input in the old file had same text to be displayed in Devanagari, IAST
and Tamil. The first two were encoded in skt (velthuis) scheme and Tamil
was in ITRANS.

I used three different maps for it -
https://github.com/Shreeshrii/xetex-itrans/blob/master/wikner-skt-sanskrit.map
https://github.com/Shreeshrii/xetex-itrans/blob/master/wikner-skt-iast.map
https://github.com/Shreeshrii/xetex-itrans/blob/master/itrans-stamil.map

Sample input line and result

 &\small{\skt "sa"nkaraabhara.nam} & {\skti "Sa"nkaraabhara.nam}& {\tml
sha~NkaraabaraNam}& 10 \\

शङ्कराभरणम् Śaṅkarābharaṇam ஶங்கராபரணம் 10


On Mon, Jul 30, 2018 at 2:17 PM Zdenek Wagner <zdenek.wagner at gmail.com>
wrote:

> Hi all,
>
> there is a subtle problem. The original design of Velthuis (at least as I
> found it somewhere) was case insensitive. It was thus possible to use
> normal English capitalization as Indra, Brahma etc. Thus both i and I was
> short (hrasva) i and both ii and II was long (dirgha) i. Aspirated bh could
> be entered either as bh or Bh. The current version no longer has the
> feature so capitalizd vowel are dirgha and capitalized consonants are
> aspirated. The following are several variants of the same word:
>
> bhaa.saa
> bhA.saa
> bhA.sA
> BA.sA
> Baa.saa
>
> I think that ITRANS never had such a feature. I do not know the exact
> specification of ITRANS, I have never used it but you can look at the
> xetex-devanagari package here https://ctan.org/pkg/xetex-devanagari
>
>
> Zdeněk Wagner
> http://ttsm.icpf.cas.cz/team/wagner.shtml
> http://icebearsoft.euweb.cz
>
> 2018-07-30 9:55 GMT+02:00 Arthur Reutenauer <
> arthur.reutenauer at normalesup.org>:
>
>> On Mon, Jul 30, 2018 at 09:25:19AM +0530, Shree Devi Kumar wrote:
>> >
>> https://github.com/Shreeshrii/xetex-itrans/blob/master/wikner-skt-iast.map
>> > has a draft map based on the velthuis-devanagari map, but currently it
>> does
>> > not support the initial Capitals (eg. AA needs to convert to  Ā, "S to
>> Ś).
>>
>>   Don’t the rules on lines 111, 113, and 115 take care of the former?
>>
>>         A <> Asvara
>>         I <> Isvara
>>         U <> Usvara
>>
>>   Best,
>>
>>         Arthur
>>
>>
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