Re: [office] Compare applications in regard to tab, margin, border and padding

[Patrick Durusau <patrick@durusau.net>]

Regina,

For your #3:

Inheritance by styles in general is described in part 1, 16.2
<style:style>. 10.2.3 <draw:layer> objects inherit from their layer.
Charts at 16.43, in addition to 16.2 inheritance, there is inheritance
between objects.

No distinction is made between calculated values and and assigned values.

At the moment I can't think of a reason to distinguish between the two
for inheritance purposes. If you want to change an assigned or
calculated value, the insertion of an attribute with the desired value
interrupts inheritance in both cases.

Yes?

Q: Should we add a sentence to 16.2 saying explicitly that calculated
and assigned values for styles (as already defined) are inherited?

Hope you are having a great week!

Patrick


On 03/15/2018 04:42 AM, Regina Henschel wrote:
> Hi all,
>
> I have got an assumption about the different behavior:
>
> 1. Word, TextMaker, and Calligra calculate the tab-stop from the start
> edge of the paragraph content area. LibreOffice calculates from the
> inner edge of the area defined by the fo:margin attribute.
>
> 2. Calligra and LibreOffice build the paragraph content area according
> the CSS box-model. TextMaker and Word build it only from the fo:margin
> attribute. I consider this a bug in TextMaker and Word.
>
> 3. The style of the second paragraph is a child of the style of the
> first paragraph. It sets a new fo:margin attribute, but inherits the
> <style:tab-stops> element. Word uses the calculated value of the
> tab-stop for this inheritance. TextMaker, Calligra, and LibreOffice
> inherit the attribute description and calculate the value newly in the
> child paragraph style. Does a general rule exists, whether calculated
> values are inherit?
>
> Kind regards
> Regina
>
> Regina Henschel schrieb am 14.03.2018 um 17:36:
>> Hi all,
>>
>> attached is the original file and a file, which contains screenshots
>> from LibreOffice, TextMaker, Word, and Calligra (from top to bottom).
>>
>> The test file has a page layout with two columns. The paragraphs, which
>> I have tested, have border 6pt and padding 31pt (the largest values Word
>> is able to use) and a tab-stop at 3.51cm. The paragraph margin of the
>> upper paragraph is 0.5cm, from the lower paragraph is -0.5cm. The
>> paragraphs between have standard style, which means no margin, border,
>> or padding.
>>
>> The screenshots are aligned to the left edge of the column content area,
>> indicated by the blue line. The standard paragraphs start at this line.
>> I have enabled a 5mm grid in all applications, which hopefully makes
>> comparison easier.
>>
>> You will notice:
>> Word has tab-stops absolute. But I have no clue, why it is at this
>> position. All others have relative tab-stops.
>>
>> LibreOffice relates the tab-stop to the right edge of the area build
>> from the fo:margin-left attribute.
>> Calligra and TextMaker relate the tab-stop to the left edge of the
>> paragraph content area (= area where the text begins).
>>
>> Does there exist a definition in XSL-FO or CSS, how to calculate
>> tab-stops?
>>
>>
>> In addition you will notice, that application differ in the way they use
>> margin, border and padding. All use the left edge of the column content
>> area as reference. But Word and TextMaker take the margin as distance to
>> the paragraph content area. Calligra and LibreOffice uses it as distance
>> to the border.
>>
>> In my illustrations from the last mail, I have used LibreOffice's way,
>> because I think it is correct. It corresponds to the box-model of CSS.
>>
>> Kind regards
>> Regina
>>
>>
>>
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>
>
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-- 
Patrick Durusau
patrick@durusau.net
Technical Advisory Board, OASIS (TAB)
Editor, OpenDocument Format TC (OASIS), Project Editor ISO/IEC 26300
Co-Editor, ISO/IEC 13250-1, 13250-5 (Topic Maps)

Another Word For It (blog): http://tm.durusau.net
Homepage: http://www.durusau.net
Twitter: patrickDurusau

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