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http://www.openoffice.org/issues/show_bug.cgi?id=104005
Issue #|104005
Summary|Matrix fractional alignment error
Component|Formula editor
Version|OOo 3.1
Platform|All
URL|
OS/Version|All
Status|UNCONFIRMED
Status whiteboard|
Keywords|
Resolution|
Issue type|DEFECT
Priority|P1
Subcomponent|ui
Assigned to|mru
Reported by|earthtone
------- Additional comments from eartht...@openoffice.org Tue Aug 4 16:33:27
+0000 2009 -------
I'm having an issue trying to format formulas. Using a matrix is a good approach
when you want to line up equations (e.g. aligned on the = sign), but a problem
arises when you have fractions, such as this example:
matrix {
alignr a over {c+b} # {}={} # alignl c over{a+b}
}
The fractions will follow the alignment of the matrix cell, which is problematic
because they should be displayed centered. The following fixes the problem for
simple expressions:
matrix {
alignr {alignc a over {c+b}} # {}={} # alignl {alignc c over{a+b}}
}
This uses brackets to group the fraction expressions and preserve their centered
alignment. However, if one of the expressions has more content in it, it
stretches the column and centers the fraction, ignoring the "alignl" parameter:
matrix {
alignr {alignc a over {c+b}} # {}={} # alignl {alignc c over{a+b}} ##
alignr {alignc a over {c+b}} # {}={} # alignl {alignc c over{a+b}} "The same
example with extra text"
}
Using parentheses instead of brackets seems to provide a workaround, but it adds
unnecessary characters to the expressions:
matrix {
alignr {alignc a over {c+b}} # {}={} # alignl (alignc c over{a+b}) ##
alignr {alignc a over {c+b}} # {}={} # alignl {alignc c over{a+b}} "Notice the
proper alignment above"
}
Is this a bug? Am I missing something obvious? We should be able to use brackets
consistently in this regard as a way to group expressions without displaying
extra code and have the formula respect the layout.
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