https://bugs.documentfoundation.org/show_bug.cgi?id=166522
Bug ID: 166522
Summary: Feature Request: Add standard mathematical arc symbol
over text in LibreOffice Math
Product: LibreOffice
Version: 3.3.0 release
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: enhancement
Priority: medium
Component: Formula Editor
Assignee: [email protected]
Reporter: [email protected]
Description:
LibreOffice Math currently lacks a dedicated command or simple method to place
a standard mathematical arc symbol (frown-like curve) over two or more
characters, which is a common notation for denoting arcs in geometry
In geometry, it is standard practice to denote an arc between two points, say A
and B, with the letters AB and a small arc symbol placed directly above them.
This is analogous to how a line segment is denoted with a bar above the letters
or a vector with an arrow.
LibreOffice Math provides commands for various accents and symbols over text,
but a specific command for the arc symbol over text is missing. Common commands
used in other math typesetting systems, such as \overarc{AB} or \overparen{AB},
are not recognized by LibreOffice Math.
Manually positioning a separate arc symbol over text is cumbersome and
difficult to align precisely.
Steps to Reproduce:
1.Open LibreOffice Writer.
2.Go to Insert > Object > Formula to open the LibreOffice Math editor.
3.Attempt to type a formula that places an arc symbol over the letters "AB"
using common mathematical typesetting commands or by searching the Elements
window for a suitable command/symbol combination.
Actual Results:
There is no readily available command or simple method within LibreOffice Math
to place a standard mathematical arc symbol over text like "AB". Commands like
\overarc{AB} and \overparen{AB} do not work. Finding and positioning a separate
arc symbol is not a practical solution for standard notation.
Expected Results:
LibreOffice Math should provide a simple, dedicated command (e.g., arc{AB},
overarc{AB}, or overparen{AB}) that correctly places a standard mathematical
arc symbol over the specified text, similar to how bar{AB} places a line
segment or vec{AB} places a vector arrow. This would allow users to easily and
accurately represent geometric notation for arcs.
Reproducible: Always
User Profile Reset: No
Additional Info:
Version: 25.2.3.2 (X86_64) / LibreOffice Community
Build ID: 520(Build:2)
CPU threads: 16; OS: Linux 6.8; UI render: default; VCL: gtk3
Locale: el-GR (en_US.UTF-8); UI: en-US
Ubuntu package version: 4:25.2.3-0ubuntu0.24.04.1~lo1
Calc: threaded
This missing feature makes it difficult for educators, students, and anyone
writing mathematical documents in LibreOffice to correctly and easily represent
standard geometric notation for arcs. Users are forced to either use incorrect
notation, rely on unreliable workarounds, or use external tools to generate the
required symbols.
Including this symbol would significantly improve the usability of LibreOffice
Math for geometry and other fields requiring this notation.
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