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CSS & i18n dos and don’ts when styling multilingual websites

CSS & i18n dos and don’ts when styling multilingual websites. Gunnar Bittersmann brands4friends. Road ahead. pitfalls when styling multilingual websites what’s new in CSS 3 what’s not in CSS (yet?). Problem: word length.

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CSS & i18n dos and don’ts when styling multilingual websites

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  1. CSS & i18ndos and don’tswhen styling multilingual websites Gunnar Bittersmann brands4friends

  2. Road ahead • pitfalls when styling multilingual websites • what’s new in CSS 3 • what’s not in CSS (yet?)

  3. Problem: word length nur eine geringe Breite zur Verfügung steht, bspw. neben einem Formulareingabefeld, in einer Reihe von Tabs oder Buttons, in schmalen Spalten. Der deutsche Text hingegen wird nicht automatisch umbrochen, was eine Herausforderung für das Layout darstellen kann. Einige Sprachen, wie z.B. Deutsch, Finnisch und Niederländisch, verwenden einzelne lange Wörter dafür, was mehrere kürzere Wörter in anderen Sprachen sind. Aus „Input processing features“ im Englischen wird im Deutschen. Der englische Text kann einfach auf zwei Zeilen verteilt werden, wenn „Eingabeverarbeitungsfunktionen“

  4. Solution: soft hyphens verteilt werden, wenn nur eine geringe Breite zur Verfügung steht, bspw. neben einem Formular-eingabe-feld, in einer Reihe von Tabs oder Buttons, in schmalen Spalten. Der deutsche Text hingegen wird nicht automatisch umbrochen, was eine Heraus-forderung für das Layout darstellen kann. Einige Sprachen, wie z.B. Deutsch, Finnisch und Nieder-ländisch, verwenden einzelne lange Wörter dafür, was mehrere kürzere Wörter in anderen Sprachen sind. Aus „Input processing features“ im Englischen wird „Eingabe-verarbeitungs-funktionen“ im Deutschen. Der englische Text kann einfach auf zwei Zeilen Setting break points is only feasible for own content, but often content is provided by other departments of the company (CMS) or is user-generated content .

  5. Solution: hyphenation auf zwei Zeilen verteilt wer-den, wenn nur eine geringe Breite zur Verfügung steht, bspw. neben einem Formu-lareingabefeld, in einer Reihe von Tabs oder Buttons, in schmalen Spalten. Der deut-sche Text hingegen wird nicht automatisch umbro-chen, was eine Herausforde-rung für das Layout darstel-len kann. Einige Sprachen, wie z.B. Deutsch, Finnisch und Nie-derländisch, verwenden ein-zelne lange Wörter dafür, was mehrere kürzere Wörter in anderen Sprachen sind. Aus „Input processing fea-tures“ im Englischen wird „Eingabeverarbeitungsfunk-tionen“ im Deutschen. Der englische Text kann einfach Text language must be labeled correctly, also of text fragments in different languages

  6. German version Nouns are spelled with a capital letter in German language; transformation to lowercase should not be applied to German text.

  7. Corrected German version Additional German language-specific rule overwrites transformation.

  8. German version Long words may cause short lines or large spaces. Note that there’s enough space between the menu and the sidenote on the right…

  9. Ukrainian version …as the menu needs more height the space between the menu and the sidenote shrinks…

  10. Russian version …as the menu needs even more height the contents overlap.

  11. Arabic version A horizontal scrollbar appears because of content for screenreaders that should be moved to the right out of the viewport on RTL pages.

  12. Arabic version border-bottom-right-radius should be resetted on RTL pages,box-shadow should be a mirrored version of that on LTR pages.

  13. Corrected Arabic version No horizontal scrollbar, border-radius and box-shadow properly set.

  14. Separate stylesheets? ✗ default.css: #wai-start { position: absolute; left: -999px; width: 990px; display: block; } rtl.css: #wai-start { left: auto; right: -999px; } Don’t rely on the order of stylesheets being included in HTML files; use more specific selectors

  15. Separate stylesheets? ✗ default.css: #wai-start { position: absolute; left: -999px; width: 990px; display: block; } [dir="rtl"] #wai-start { left: auto; right: -999px; } rtl.css: [dir="rtl"] #wai-start { left: auto; right: -999px; } Having all rules in one stylesheet allows to overview corresponding rules at one sight and makes it less likely to forget something on later changes.

  16. Dos and don’ts • Do not assume text to fit into a box,neither of certain width nor of certain height • Set soft hyphens in long compound wordsor use hyphenation • Use text effects that are appropriatefor given language • Make sure you flip everything needed for websites in RTL scripts • Do not use multiple stylesheetsfor different languages/scripts/text directions,use one stylesheet (easier to maintain)

  17. New in CSS 3 text module • hyphens: auto • text-emphasis-style: sesame • text-justify: inter-ideograph || kashida • text-align: endmight replace:#foo { text-align: right }[dir="rtl"] #foo { text-align: left }

  18. Styling by language body{ font-family: Palatino, serif;} :script(Arab) :lang(ar) , :lang(fa) , :lang(ps) , :lang(ur) , :lang(az-Arab) , :lang(uz-Arab) , :lang(bal), :lang(bqi), :lang(cja), :lang(glk), :lang(ug) • { font-family: "Traditional Arabic", serif;} When content in another language written in Arabic script would later be added to a multilingual website, the stylesheet also needs to be changed. That’s not desired, hence it would be useful if there was a :script pseudoclass.

  19. Styling by script <html lang="ar" script="Arab" dir="rtl"> Type: language Subtag: ar Description: Arabic Added: 2005-10-16 Suppress-Script: Arab Scope: macrolanguage <html lang="az-Arab" script="Arab " dir="rtl "> The information about the script is already in the language tag: either in the script subtag or in the language subtag.

  20. Implementation ü get language tag is undefined? y n has script subtag? y n look up script for language subtag found? n y use this value use default (Latn)

  21. Go raibh maith agat gunnar@bittersmann.de http://bittersmann.de

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