Re: [XeTeX] Discretionary line-breaks in Tamil

2019-09-29 Thread Zdenek Wagner
Hi ne 29. 9. 2019 v 7:29 odesílatel Suki Venkat napsal: > > Hi, > > There is a unicode character at 200B that is used for discretionary > line-breaks (DLB) quite in the spirit of discretionary hyphens. In Tamil > words broken at the end of a line are not hyphenated (as it is agglutinate > lan

Re: [XeTeX] Discretionary line-breaks in Tamil

2019-09-29 Thread Yannis Haralambous
> that discretionary. Better solution would be to redefine \hyphenchar > of the font as an invisible character with a sero width. I am not sure Beware that the glyph must exist in the font, you cannot just use an arbitrary unoccupied glyph position in the font. If the position does not exist, ther

Re: [XeTeX] Discretionary line-breaks in Tamil

2019-09-29 Thread Zdenek Wagner
Hi, The TeXbook in Appendix H (pages 454–455, paperback edition) says that the character must be between 0 and 255 and must exist in the font. 255 is, of course, for non-unicode implementatin of TeX. (That's why \hyphenchar\the\font=-1 inhibits hyphenation. ) It also says: The control sequence \-

Re: [XeTeX] Discretionary line-breaks in Tamil

2019-09-29 Thread Mike Maxwell
On 9/29/2019 3:02 PM, Suki Venkat wrote: Then went on to hack the hyph-ta.texfile and did "mktexfmt xelatex" to produce nice results using XeLaTeX. It turned out the uni200B was not defined in the font, although uni200C and uni200D were defined. Then managed define uni200B in fontforge and it do