https://bugs.documentfoundation.org/show_bug.cgi?id=157073
Bug ID: 157073
Summary: Simple HTML elements for FORMATTING (<SUP>) are
ignored on Paste
Product: LibreOffice
Version: 7.6.0.3 release
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Calc
Assignee: [email protected]
Reporter: [email protected]
Users should be able to copy HTML straight from web documents and, when pasting
into Calc, have formatting preserved as far as reasonably possible. For
example, a very recognisable and common tag is <SUP>, which formats text in
superscript. This is supported in Writer, but not in Calc.
I am using the command `xclip -o -selection clipboard -t text/html` to view the
actual contents of the clipboard, using the text/html media type.
Strangely, when copying from Writer into Calc <SUP> is respected, whereas when
copying from a standard browser such as Firefox it is not. Even more confusing,
copying from Calc does not include <SUP> in the HTML, yet when pasting back
into Calc or Writer *invisible superscript markings are respected*. I don't see
how this last point is possible, but I assume there is either something hidden
in the clipboard contents which xclip is not extracting, or the LibreOffice
runtime is sharing special data within itself regarding the clipboard.
# Results
The ^ notation is used to denote superscript.
## Copying a^2 from Firefox
xclip:
> <meta http-equiv="content-type" content="text/html;
> charset=utf-8">a<sup>2</sup>
Calc: a2
Writer: a^2
## Copying a cell containing a^2 from Calc
xclip:
> <!DOCTYPE html>
> <html><head>
> <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
> <title></title>
> <meta name="generator" content="LibreOffice 7.6.0.3 (Linux)"/>
> <style type="text/css">
> body,div,table,thead,tbody,tfoot,tr,th,td,p { font-family:"Liberation
> Sans"; font-size:x-small }
> a.comment-indicator:hover + comment { background:#ffd; position:absolute;
> display:block; border:1px solid black; padding:0.5em; }
> a.comment-indicator { background:red; display:inline-block; border:1px
> solid black; width:0.5em; height:0.5em; }
> comment { display:none; }
> </style>
> </head><body>
> <table cellspacing="0" border="0">
> <colgroup width="85"></colgroup>
> <tr>
> <td height="17" align="left">a2</td>
> </tr>
> </table>
> </body></html>
Calc: a^2
Writer: a^2 [although 2 is rendered in the "Lohit Devanagari" typeface]
## Copying a^2 from Writer
xclip:
> <!DOCTYPE html>
> <html>
> <head>
> <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
> <title></title>
> <meta name="generator" content="LibreOffice 7.6.0.3 (Linux)"/>
> <style type="text/css">
> @page { size: 21cm 29.7cm; margin: 2cm }
> p { line-height: 115%; margin-bottom: 0.25cm; background: transparent }
> </style>
> </head>
> <body lang="en-GB" link="#000080" vlink="#800000" dir="ltr">
> <p>a<sup>2</sup></p>
> </body></html>
Calc: a^2 [although the typeface is now blank]
Writer: a^2
# Expected results
At the very least, <SUP> should be respected in Calc. Characters contained
within <SUP> tags should *always* be rendered in superscript, regardless of the
particulars of the rest of the clipboard.
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