Length of line

I'm the manager of Issue #57 line length.

https://github.com/w3c/wcag21/issues/57

I was asked to explain why 25 characters was chosen as the threshold. I
deferred to the LVTF
​ since I did not write that requirement​
. One point that was mentioned was that 25 characters is about the width of
most news article columns.

I did a survey of several top news sites on the web and measured the length
of characters when text size is 100% (no zoom)

-CNN 74
​ ​
characters without counting spaces 87 with spaces. could narrow to 35 (w/
spaces) in Responsive
-NBC 61 no spaces 73 with spaces, could narrow to 39 (w/ spaces)
-ABC NEWS 81 no spaces 92 Spaces, could narrow to 43 in responsive
-FoxNews 67 no space 79 spaces could narrow to 45 in responsive
-Le Droit french 74 no space, 86 with spaces, no responsive
-Google News 73 No Spaces 87 with spaces could narrow to 44 in responsive
- Huff post French 67 no spaces 79 with spaces no responsive

​N
one of these sites passed the new SC proposal of 25 characters. They all
went to horizontal scroll when window was narrowed less than those
​minimum character ​
widths shown above.

​Do we
 want to make the minimum a little wider, say 45 or 50 characters.

For reference, the following is about 25 characters:

"This test assesses basic"


Cheers,
David MacDonald



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