[Dev-luatex] letterspacing and (no) ligatures
will.adams at frycomm.com
Thu Feb 10 13:59:06 CET 2011
On Feb 10, 2011, at 7:56 AM, Taco Hoekwater wrote:
> On 02/10/11 13:53, Patrick Gundlach wrote:
>>>> * in pdftex, \letterspacefont does not disable the ligatures, but this is what happens in luatex.
>>> IMO that's a desireable behaviour, not a bug. See Bringhurst, Oliver Simon's _Introduction to Typography_ &c.
>>> A control to turn it off or on (defaulting to disabling the ligatures) would be okay, but I've had to put a lot of effort into turning off ligatures when letterspacing and it's a pain.
>> In older german texts ligatures are not letter spaced. For example:
>> B i s m a r ck
>> (the ck ligature is not seperated)
> Neither was ij in dutch, but ff was separated. Which just goes to show
> you that doing letterspacing automatically is hard....
ck and ij would be (like ae and oe) diphthongs --- linguistic constructs denoting specific sounds.
ff is a ligature --- the joining together of two or more characters for stylistic or technical reasons.
senior graphic designer
Sphinx of black quartz, judge my vow.
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