https://bugs.freedesktop.org/show_bug.cgi?id=66525
Priority: medium
Bug ID: 66525
Assignee: [email protected]
Summary: IMPORT specific formula in a MS Word document is wrong
Severity: normal
Classification: Unclassified
OS: All
Reporter: [email protected]
Hardware: Other
Status: UNCONFIRMED
Version: 3.6.3.2 release
Component: Formula Editor
Product: LibreOffice
Testcase: Attachment 81816 from Bug 66463.
Screenshot shownig incorrect rasulting formula: Attachment 80819. Please note
the third image showing incorrect curly brace and red question marks.
The internal structure of the imported formula is this:
size 12 {
alignl {
stack {
left lbrace
{{c}} sup {'} rSub {size 8{1}} left (x right )+ {{c}} sup {'} rSub {size
8{2}} left (x right ) cdot e rSup {size 8{- x}} =0 {} #
right none
left lbrace
- {{c}} sup {'} rSub {size 8{2}} left (x right )e rSup {size 8{- x}} = {{1}
over {e rSup {size 8{x}} +1} } {} #
right no
}
}
lbrace
}
{}
Note:
* lbraces positioned incorrectly (inside stack; in each line of the stack;
second "left lbrace" is matched by bad-syntax "right no"; extra lbrace in the
end without match);
* extra "#" in the end of the second stack line.
Here is the corrected formula:
size 12 {
left lbrace
alignl {
stack {
{{c}} sup {'} rSub {size 8{1}} left (x right )+ {{c}} sup {'} rSub {size
8{2}} left (x right ) cdot e rSup {size 8{- x}} =0 {} #
- {{c}} sup {'} rSub {size 8{2}} left (x right )e rSup {size 8{- x}} =
{alignc {1} over {e rSup {size 8{x}} +1} } {}
}
}
right none
}
{}
Note that I intentionally left unnecesary elements (like empty and redundant
braces) to keep resemblance. I had to add alignc to the division in the lower
line to restore its correct representation.
I suppose that the possible cause of the problem is that there is only one
brace in the formula.
A somewhat related is Bug 62178, that discusses the opposite direction problem.
Affected both LO 3.6.3.2 and AOO, so must be an inherited problem. Still
present in 4.0.3 and 4.1.0.1.
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