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author | Bernhard Posselt <dev@bernhard-posselt.com> | 2014-10-21 22:53:36 +0200 |
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committer | Bernhard Posselt <dev@bernhard-posselt.com> | 2014-10-21 22:53:36 +0200 |
commit | fe030e7339f5fc9ec4e75d9655b2ced0900da5c2 (patch) | |
tree | d87fc2bc4504392550c3aea0abb18614d36f8abb /3rdparty/ezyang/htmlpurifier/docs/ref-css-length.txt | |
parent | 8c2a1b242c1cd2f7bcb179facc524f3454e7a863 (diff) |
use composer for autoloading repos
Diffstat (limited to '3rdparty/ezyang/htmlpurifier/docs/ref-css-length.txt')
-rw-r--r-- | 3rdparty/ezyang/htmlpurifier/docs/ref-css-length.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/3rdparty/ezyang/htmlpurifier/docs/ref-css-length.txt b/3rdparty/ezyang/htmlpurifier/docs/ref-css-length.txt new file mode 100644 index 000000000..aa40559e3 --- /dev/null +++ b/3rdparty/ezyang/htmlpurifier/docs/ref-css-length.txt @@ -0,0 +1,30 @@ + +CSS Length Reference + To bound, or not to bound, that is the question + +It's quite a reasonable request, really, and it's already been implemented +for HTML. That is, length bounding. It makes little sense to let users +define text blocks that have a font-size of 63,360 inches (that's a mile, +by the way) or a width of forty-fold the parent container. + +But it's a little more complicated then that. There are multiple units +one can use, and we have to a little unit conversion to get things working. +Here's what we have: + +Absolute: + 1 in ~= 2.54 cm + 1 cm = 10 mm + 1 pt = 1/72 in + 1 pc = 12 pt + +Relative: + 1 em ~= 10.0667 px + 1 ex ~= 0.5 em, though Mozilla Firefox says 1 ex = 6px + 1 px ~= 1 pt + +Watch out: font-sizes can also be nested to get successively larger +(although I do not relish having to keep track of context font-sizes, +this may be necessary, especially for some of the more advanced features +for preventing things like white on white). + + vim: et sw=4 sts=4 |