https://bugzilla.wikimedia.org/show_bug.cgi?id=57824
Web browser: ---
Bug ID: 57824
Summary: Display tabs as 4 spaces using CSS tab-size property
Product: MediaWiki
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: General/Unknown
Assignee: [email protected]
Reporter: [email protected]
Classification: Unclassified
Mobile Platform: ---
Tabs in code blocks should be rendered as four spaces, instead of the default
eight, using the tab-size CSS3 property.
Shorter tabs make most languages more readable, especially on smaller screens.
Moreover, shortening the tabs would harmonize this feature with the CodeEditor
extension, which displays tabs as four spaces and now binds the Tab key to the
tab character.
The following rule in MediaWiki core would primarily apply to stylesheets and
scripts in the MediaWiki: namespace:
.mw-code {
-moz-tab-size: 4; -o-tab-size: 4; tab-size: 4;
}
It degrades gracefully in browsers that lack support for the tab-size property.
(See <http://caniuse.com/css3-tabsize>.) Some caveats:
* It doesn't cover Lua modules, because the Scribunto extension doesn't use the
`mw-code` class (it probably should).
* It doesn't match ordinary <pre> blocks. Alternatively, it might make sense to
just select `.mw-code, pre`, and let extensions or individual pages override
the rule if necessary.
* The SyntaxHighlight extension seems to convert tabs to eight actual spaces,
so this rule would have no effect on <source> tags.
See [[Wikipedia:Village pump (technical)#GeSHi tab size]] for more discussion
about this proposal. The Vietnamese Wikipedia has used tab-size for awhile
without complaints.
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