http://openoffice.org/bugzilla/show_bug.cgi?id=118145
Issue Type: DEFECT
Summary: Is empty character string in Math really empty?
Classification: Application
Product: Formula editor
Version: OOo 3.3
Platform: PC
OS/Version: Windows XP
Status: UNCONFIRMED
Severity: enhancement
Priority: P3
Component: ui
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
In the "Format" page of Math Help, it's written that:
The standard centralized formulas can be aligned to the left without using the
Format - Alignment menu. To do this, place an empty character string, that is,
the inverted commas which surround any text "", before the section of formula
that you want to align.
But is the "empty character string" really empty??
Let's try this reduced case:
X = ... newline
""X = ... newline
alignl X = ... newline
It is obvious that the second line is shifted a little bit to the right,
meaning that the "empty character string" has *some width*, ie non-empty!
So, when we want to align equal signs, like this:
X = ... newline
alignl phantom{X} = ... newline
we cannot really use "" in place of alignl.
Therefore, the problem we have is either:
1. The Math Help is misleading and this discrepancy should be written out
clearly to users. And it should stop advise users to use this non-empty string
for visual matter.
or
2. The "empty character string" should have no width and the *width* that we
see here is a bug.
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