On Friday, 11 April 2025 21:02:54 PDT Fredrick R. Brennan wrote:
> Hello Gnuplot developers,
>
> This patch series introduces three small enhancements for the SVG
> terminal driver aimed at improving metadata, accessibility, and
> robustness of the generated output.
Applied. Thanks.
>
> Patch 1/3 ([svg] add > for > in ENHsvg_writec):
> This patch improves enhanced text handling by escaping the > character
> to >. This prevents rendering issues and XML errors in viewers like
> Firefox when labels contain this character.
>
> Patch 2/3 ([svg] add plot title to XML <title>):
> This patch makes the SVG <title> element more meaningful, resolving a
> TODO in the source code. It now uses the Gnuplot plot title (set title)
> if one is defined, falling back to the name set via set term svg name
> "...", and finally to "Gnuplot" as a default.
>
> To handle potentially complex title strings correctly within XML, this
> patch also introduces a helper function, SVG_put_CDATA, which correctly
> embeds text within <![CDATA[...]]> sections, including the necessary
> escaping for the forbidden ]]> sequence.
>
> Patch 3/3 ([svg] add ability for user to set XML <desc>):
> This patch introduces a new terminal option description "<text>". If
> this option is used, the provided text is embedded in the SVG <desc>
> element, allowing users to easily add descriptive metadata or
> accessibility information to their plots. This patch reuses the
> SVG_put_CDATA helper function introduced in Patch 2 and includes
> documentation for the new option in the terminal help.
>
> These changes should apply cleanly to the current master branch. Patch 3
> relies on a function introduced in Patch 2.
>
> Feedback welcome!
>
>
> ------------------------------------------------------------------------
>
> Best,
> Fred Brennan
>
> |[[[ To any NSA and FBI agents reading my email: please consider ]]]
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>
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>
>
>
--
Ethan A Merritt
Department of Biochemistry
University of Washington, Seattle
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