+1 to Stephens technology agnostic language approach. Awesome work Wayne, Alistair, Laura etc all... Katie Haritos-Shea 703-371-5545 On Jul 12, 2017 2:11 PM, "Laura Carlson" <laura.lee.carlson@gmail.com> wrote: > Hi Steve, > > How would you propose to phase new paragraph bullet using font size? > Lisa has objected to inclusion of the Adapting Text SC in 2.1 without > it. > > Thanks. > > Kindest Regards, > Laura > > On 7/12/17, Repsher, Stephen J <stephen.j.repsher@boeing.com> wrote: > > We’re not being technology agnostic here. The truth is that the only > reason > > we are drawing a difference between em units and a unitless factor on the > > font size is technology-specific to CSS. In reality they are exactly the > > same, i.e. for the current element: > > > > `Line-height: 1.5` = `line-height: 1.5em` > > > > The problem is that these are inherited properties, so a length value in > em > > passes the same computed length to children, while the factor becomes a > > factor on the child’s font size. Obviously the latter is usually the > > desired behavior. Why the CSS standard doesn’t also allow factors to be > > used for `letter-spacing` and `word-spacing` is a good question. > > > > So, to be totally technology agnostic here, we ought to pick one and be > > consistent. Given the confusion that could arise by specifying > inheritance > > with em units, I’d strongly vote for the following: > > > > > > 1. line height (line spacing) to at least 1.5 times the font size > > > > 2. letter spacing (tracking) to at least 0.12 times the font size > > > > 3. word spacing to at least 0.16 times the font size > > > > We can explain what this translates to for CSS in Understanding, which is > > advantageous in case things change. > > > > Steve > > > > From: Alastair Campbell [mailto:acampbell@nomensa.com] > > Sent: Wednesday, July 12, 2017 12:17 PM > > To: John Foliot <john.foliot@deque.com> > > Cc: Laura Carlson <laura.lee.carlson@gmail.com>; Greg Lowney > > <gcl-0039@access-research.org>; Jason White <jjwhite@ets.org>; Detlev > > Fischer <detlev.fischer@testkreis.de>; w3c-wai-gl@w3.org; > > public-low-vision-a11y-tf <public-low-vision-a11y-tf@w3.org> > > Subject: Re: Adapting Text Units: Spaces, paragraphs, and ems > > > > That’s fine for me, thanks. > > > > Any objections? Going, going… > > > > -Alastair > > > > > > From: John Foliot > > > > Hi Alastair, > > > > A bit more fine-tuning... how about: > > > > * line-height (spacing) to at least 1.5 em (space line-and-a-half) > > * spacing between paragraphs to at least 2 em (2 lines) > > > > * letter spacing (tracking) to at least 0.12 em > > * word spacing to at least 0.16 em > > > > ??? > > > > JF > > > > > > > -- > Laura L. Carlson > >Received on Wednesday, 12 July 2017 18:23:40 UTC
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