8000 [css-text-4] Drop preserve-auto per WG resolution <https://lists.w3.o… · w3c/csswg-drafts@ff5626c · GitHub
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[css-text-4] Drop preserve-auto per WG resolution <https://lists.w3.org/Archives/Public/www-style/2016Mar/0352.html>.
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‎css-text-4/Overview.bs‎

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@@ -12,7 +12,6 @@ Editor: Koji Ishii, Invited Expert, kojiishi@gluesoft.co.jp
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Editor: Alan Stearns, Adobe Systems, stearns@adobe.com
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Abstract: This module defines properties for text manipulation and specifies their processing model. It covers line breaking, justification and alignment, white space handling, and text transformation.
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Ignored terms: segment break, segment breaks
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At Risk: The ''preserve-trim'' of the 'text-space-collapse' property
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</pre>
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<pre class='link-defaults'>
@@ -44,7 +43,7 @@ White Space Collapsing: the 'text-space-collapse' property</h3>
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<pre class="propdef">
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Name: text-space-collapse
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Value: collapse | discard | preserve | preserve-auto | preserve-trim | preserve-breaks | preserve-spaces
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Value: collapse | discard | preserve | preserve-breaks | preserve-spaces
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Initial: collapse
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Applies to: all elements
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Inherited: yes
@@ -73,32 +72,6 @@ White Space Collapsing: the 'text-space-collapse' property</h3>
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from collapsing sequences of white space.
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<a>Segment breaks</a> are preserved as forced line breaks.
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<dt><dfn>preserve-auto</dfn>
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<dd>
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This value preserves white space and <a>segment breaks</a> as for ''preserve''.
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However, in order to match platform conventions for editable text fields,
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the UA <em>may</em> visually collapse
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the advance widths of preserved white space
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that occurs at the end of a line,
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<em>or</em> treat them as collapsed for the purpose of wrapping text
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(such that the white space overflows the line instead of wrapping to the front of the next line).
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<dt><dfn>preserve-trim</dfn>
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<dd>
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This value preserves white space and <a>segment breaks</a> as for ''preserve''.
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However, the UA <em>must</em> visually collapse to 0
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the advance widths of all preserved white space
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that occur at the end of a line.
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Note: the ''preserve-trim'' value is at risk.
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Issue: The CSSWG would appreciate feedback
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on the use cases for this value,
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to evaluate whether
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this value is needed at all
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and if so, if trimming leading spaces
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could be needed as well.
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<dt><dfn>preserve-breaks</dfn>
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<dd>
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This value collapses white space as for ''collapse'', but preserves
@@ -467,7 +440,7 @@ Shorthand for White Space and Wrapping: the 'white-space' property</h2>
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<pre class="propdef">
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Name: white-space
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Value: normal | pre | nowrap | pre-wrap | pre-wrap-auto | pre-line
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Value: normal | pre | nowrap | pre-wrap | pre-line
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Initial: auto
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Applies to: all elements
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Inherited: yes
@@ -514,11 +487,6 @@ Shorthand for White Space and Wrapping: the 'white-space' property</h2>
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<td>''text-space-collapse/preserve''
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<td>''text-wrap/normal''
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<td>''text-space-trim/none''
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<tr>
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<th>''pre-wrap-auto''
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<td>''text-space-collapse/preserve-auto''
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<td>''text-wrap/normal''
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<td>''text-space-trim/none''
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<tr>
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<th>''pre-line''
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<td>''text-space-collapse/preserve-breaks''

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