https://bugs.documentfoundation.org/show_bug.cgi?id=163074
Bug ID: 163074
Summary: sum and integral symbol size issue in formula
Product: LibreOffice
Version: 7.6.7.2 release
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Formula Editor
Assignee: [email protected]
Reporter: [email protected]
Description:
In Impress, I have two formulae:
U_2 - U_1 = sum from i=1 to j n_i left[{bar u}_i(T_2) - {bar u}_i(T_1) right]
and
H_2 - H_1 = sum from i=1 to j n_i left[{bar h}_i(T_2) - {bar h}_i(T_1) right]
And strangely, one of them renders with a correctly-sized 'sum' (Σ) and the
other with a smaller one. I have observed this repeatedly across hundreds to
equations entered, and I almost default now to just writing "size 18" before my
integrals and sums. However this is a bad solution, and the real solution must
be somewhere in the logic of the layout engine for formulas.
Steps to Reproduce:
This bug is a bit intermittent, but it will certainly crop up more than once in
a session of editing work.
1. create equation 'H_2 - H_1 = sum from i=1 to j n_i left[{bar h}_i(T_2) -
{bar h}_i(T_1) right]'
2. create equation 'U_2 - U_1 = sum from i=1 to j n_i left[{bar u}_i(T_2) -
{bar u}_i(T_1) right]'
3. Do not change any settings relating to font sizes etc between the two
formulas.
Actual Results:
See attached PNG file. Summation symbols are different in each case.
Expected Results:
They should clearly be the same size.
Reproducible: Sometimes
User Profile Reset: No
Additional Info:
Version: 7.6.7.2 (X86_64) / LibreOffice Community
Build ID: 60(Build:2)
CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: gtk3
Locale: en-AU (en_AU.UTF-8); UI: en-US
Ubuntu package version: 4:7.6.7-0ubuntu0.20.04.1~lo1
Calc: threaded
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