Spacing
SC Shortname
Adapting Text
SC Text
No loss of content or functionality on a webpage is caused by overriding:
- font family to Verdana, or
- foreground and background to white on black, or
- line height of all text to 1.5, letter spacing to 0.12 em, and word spacing to 0.16 em.
Suggested Priority Level
Level AA
Related Glossary additions or changes
None
What Principle and Guideline the SC falls within.
Principle 1, Guideline 1.4
Description
Simply Put: You can separate lines as much as you need to help you read.
Benefits
Spacing such as space between lines and space between words impacts readability.
The space between lines in a block of text is also called leading. Some people need more space between lines to be able to read text. Line spacing also helps with tracking.
User Need: Line Spacing: Users can change the line spacing (leading) for blocks of text.
Source: Accessibility Requirements for People with Low Vision, Section 3.4.1
Some people need more space between letters to read text.
User Need: Letter Spacing: Users can change the letter spacing (space between letters/characters) of blocks of text.
Source: Accessibility Requirements for People with Low Vision, Section 3.4.2
Some people need more space between words to read text.
User Need: Word Spacing: Users can change the word spacing (space between words) of blocks of text.
Source: Accessibility Requirements for People with Low Vision, Section 3.4.3
Testability
- Use some mechanism to change the spacing of characters, words, lines and paragraphs in content. (e.g. user stylesheet).
- Check that spacing of characters, words, lines and paragraphs in content changed by the amount set in # 1..
Expected results
- # 2 is true
Techniques
Existing Relevant Techniques
- $$All existing techniques for x.x.x$$
New Techniques
- $$New technique: Title$$
Related Information
Actions
- ACTION-28: Think about spacing resizing, e.g., ems for spacing on Shawn Henry, January 20, 2016
- ACTION-65: Create 3 scs, justification, spacing (letter, word, line, para), margins on Jim Allan, July 7, 2016
Articles
- Sentence spacing studies - Wikipedia
- $$ Add email $$
GitHub
- WCAG WG 2.1 GitHub Issue 78 - Opened by Jim Allan, 1 December 2016
- Spacing (User Need 3.4.1, 3.4.2, 3.4.3, 3.4.5) LVTF GitHub SC Issue #11
Minutes
- 12 May 2016 LVTF minutes (Leading Spacing)
- 12 May 2016 LVTF minutes (Letter Spacing)
- 12 May 2016 LVTF minutes (Word spacing Spacing)
Resolutions
- Ready for WCAG - 1 December 2016
Surveys
- $$ Add surveys $$