From 55bc11c55325966404b2d2e4cd251cb37eadc6a2 Mon Sep 17 00:00:00 2001 From: Florian Rivoal Date: Fri, 11 Sep 2015 17:13:16 +0900 Subject: [PATCH 1/4] [css-text-4] Bugfix, initial value of text-space-trim is none --- css-text-4/Overview.bs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/css-text-4/Overview.bs b/css-text-4/Overview.bs index 830b89fe55b6..717e8a9a0235 100644 --- a/css-text-4/Overview.bs +++ b/css-text-4/Overview.bs @@ -109,7 +109,7 @@ White Space Trimming: the 'text-space-trim' property 
 	Name: text-space-trim
 	Value: none | trim-inner || discard-before || discard-after
-	Initial: collapse
+	Initial: none
 	Applies to: all elements
 	Inherited: no
 	Percentages: n/a

From eb64ff315b6b43e19c9420f1182f94084437371a Mon Sep 17 00:00:00 2001
From: Florian Rivoal 
Date: Fri, 11 Sep 2015 17:11:45 +0900
Subject: [PATCH 2/4] [css-text-4] add preserve-auto and preserve-trim, explain
 the shorthand

---
 css-text-4/Overview.bs | 68 +++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 67 insertions(+), 1 deletion(-)

diff --git a/css-text-4/Overview.bs b/css-text-4/Overview.bs
index 717e8a9a0235..0d8597e316f7 100644
--- a/css-text-4/Overview.bs
+++ b/css-text-4/Overview.bs
@@ -36,7 +36,7 @@ White Space Collapsing: the 'text-space-collapse' property
 
 	
 	Name: text-space-collapse
-	Value: collapse | discard | preserve | preserve-breaks | preserve-spaces 
+	Value: collapse | discard | preserve | preserve-auto | preserve-trim | preserve-breaks | preserve-spaces
 	Initial: collapse
 	Applies to: all elements
 	Inherited: yes
@@ -65,6 +65,26 @@ White Space Collapsing: the 'text-space-collapse' property
 			from collapsing sequences of white space.
 			Segment breaks are preserved as forced line breaks.
 
+		
preserve-auto
+		

+			This value preserves white space and segment breaks as for ''preserve''.
+			However, the UA may visually collapse
+			the advance widths of preserved white space
+			that occur at the end of a line.
+
+			If 'text-wrap' is ''text-wrap/normal'' or ''text-wrap/balance'',
+			whether or not there are soft wrap opportunities
+			in preserved sequences of white space,
+			and if yes where and under what condition,
+			is UA defined.
+
+		
preserve-trim
+		

+			This value preserves white space and segment breaks as for ''preserve''.
+			However, the UA must visually collapse to 0
+			the advance widths of all preserved white space
+			that occur at the end of a line.
+
 		
preserve-breaks
 		

 			This value collapses white space as for ''collapse'', but preserves
@@ -450,6 +470,52 @@ Shorthand for White Space and Wrapping: the 'white-space' property
 	Note: This shorthand combines both inheritable and non-inheritable properties.
 	If this is a problem, please inform the CSSWG.
 
+	The following table gives the mapping of the values of the shorthand to its longhands.
+
+	
+		
+		
+		
+			
+				
+		
+		
+			
+			
+			
+			
+			
+			
+	
'white-space'
+				'text-space-collapse'
+				'text-wrap'
+				'text-space-trim'
+		
''white-space/normal''
+			''text-space-collapse/collapse''
+			''text-wrap/normal''
+			''text-space-trim/none''
+		
''pre''
+			''text-space-collapse/preserve''
+			''text-wrap/nowrap''
+			''text-space-trim/none''
+		
''nowrap''
+			''text-space-collapse/collapse''
+			''text-wrap/nowrap''
+			''text-space-trim/none''
+		
''pre-wrap''
+			''text-space-collapse/preserve''
+			''text-wrap/normal''
+			''text-space-trim/none''
+		
''pre-wrap-auto''
+			''text-space-collapse/preserve-auto''
+			''text-wrap/normal''
+			''text-space-trim/none''
+		
''pre-line''
+			''text-space-collapse/preserve-breaks''
+			''text-wrap/normal''
+			''text-space-trim/none''
+		

+
 	Issue: Add details from level 3
 
 


From 57b084d76aac2e2e4997d8b16fb85f03f802a7f4 Mon Sep 17 00:00:00 2001
From: Florian Rivoal 
Date: Fri, 18 Sep 2015 15:40:59 +0900
Subject: [PATCH 3/4] [css-text-4] Mark preserve-trim at risk

---
 css-text-4/Overview.bs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/css-text-4/Overview.bs b/css-text-4/Overview.bs
index 0d8597e316f7..113d885defa3 100644
--- a/css-text-4/Overview.bs
+++ b/css-text-4/Overview.bs
@@ -12,6 +12,7 @@ Editor: Koji Ishii, Invited Expert, kojiishi@gluesoft.co.jp
 Editor: Alan Stearns, Adobe Systems, stearns@adobe.com
 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.
 Ignored terms: segment break, segment breaks
+At Risk: The ''preserve-trim'' of the 'text-space-collapse' property
 

 
 

@@ -85,6 +86,13 @@ White Space Collapsing: the 'text-space-collapse' property

 			the advance widths of all preserved white space
 			that occur at the end of a line.
 
+			Note: the ''preserve-trim'' value is at risk.
+
+			Issue: The CSSWG would appreciate feedback
+			on the use cases for this value,
+			to evaluate whether trimming leading spaces
+			could be needed as well.
+
 		
preserve-breaks
 		

 			This value collapses white space as for ''collapse'', but preserves

From 61897a588d8e0d2e9bd86cea008cb7d2439633b3 Mon Sep 17 00:00:00 2001
From: Florian Rivoal 
Date: Fri, 18 Sep 2015 15:41:31 +0900
Subject: [PATCH 4/4] [css-text-4] Say that preserve-auto should follow
 platform conventions

---
 css-text-4/Overview.bs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/css-text-4/Overview.bs b/css-text-4/Overview.bs
index 113d885defa3..a210cb5eaf6c 100644
--- a/css-text-4/Overview.bs
+++ b/css-text-4/Overview.bs
@@ -79,6 +79,10 @@ White Space Collapsing: the 'text-space-collapse' property
 			and if yes where and under what condition,
 			is UA defined.
 
+			Both with regards to collapsing
+			and to soft wrap opportunities,
+			the UA should follow platform conventions.
+
 		
preserve-trim
 		

 			This value preserves white space and segment breaks as for ''preserve''.