Address #7: Avoid TikZ externalization of ORCiD logos

Thanks to @aquileia for the report.

orcidlink.dtx

@@ -27,7 +27,7 @@
 %<*driver>
 \documentclass{ltxdoc}
 \usepackage[dvipsnames]{xcolor}
-\usepackage{orcidlink}[2021/03/15]
+\usepackage{orcidlink}[2023/12/30]
 \hypersetup{colorlinks,urlcolor=NavyBlue,citecolor=NavyBlue,linkcolor=NavyBlue,pdfusetitle}
 \usepackage{graphicx}
 \EnableCrossrefs
@@ -40,7 +40,7 @@
 %</driver>
 % \fi
 %
-% \CheckSum{33}
+% \CheckSum{41}
 %
 % \CharacterTable
 %  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
@@ -67,6 +67,8 @@
 % scaling ourselves, and using DeclareRobustCommand}
 % \changes{v1.0.4}{2021/06/11}{Use XeTeXLinkBox to get hyperlink
 % working correctly with XeTeX.  Thanks to Tim Henke for the bug report.}
+% \changes{v1.0.5}{2023/12/30}{Turn off TikZ externalization of logos.
+% Thanks to github user aquileia for the bug report.}
 %
 % \DoNotIndex{\newcommand,\newenvironment}
 %
@@ -122,7 +124,7 @@
 %    \begin{macrocode}
 \NeedsTeXFormat{LaTeX2e}[1994/06/01]
 \ProvidesPackage{orcidlink}
-    [2021/06/11 v1.0.4 Linked ORCiD logo macro package]
+    [2023/12/30 v1.0.5 Linked ORCiD logo macro package]
 
 %% All I did was package up Milo's code on TeX.SE,
 %% see https://tex.stackexchange.com/a/445583/34063
@@ -150,6 +152,12 @@
 %% We will compute the current X height to make the logo the right height
 \newlength{\@curXheight}
 
+%% Prevent externalization of the ORCiD logo.
+\newcommand{\@preventExternalization}{%
+\ifcsname tikz@library@external@loaded\endcsname%
+\tikzset{external/export next=false}\else\fi%
+}
+
 %    \end{macrocode}
 %
 % \begin{macro}{\orcidlink}
@@ -158,6 +166,7 @@
 \texorpdfstring{%
 \setlength{\@curXheight}{\fontcharht\font`X}%
 \href{https://orcid.org/#1}{\XeTeXLinkBox{\mbox{%
+\@preventExternalization%
 \begin{tikzpicture}[yscale=-\@OrigHeightRecip*\@curXheight,
 xscale=\@OrigHeightRecip*\@curXheight,transform shape]
 \pic{orcidlogo};

orcidlink.sty

@@ -20,7 +20,7 @@
 %% 
 \NeedsTeXFormat{LaTeX2e}[1994/06/01]
 \ProvidesPackage{orcidlink}
-    [2021/06/11 v1.0.4 Linked ORCiD logo macro package]
+    [2023/12/30 v1.0.5 Linked ORCiD logo macro package]
 
 %% All I did was package up Milo's code on TeX.SE,
 %% see https://tex.stackexchange.com/a/445583/34063
@@ -48,10 +48,17 @@
 %% We will compute the current X height to make the logo the right height
 \newlength{\@curXheight}
 
+%% Prevent externalization of the ORCiD logo.
+\newcommand{\@preventExternalization}{%
+\ifcsname tikz@library@external@loaded\endcsname%
+\tikzset{external/export next=false}\else\fi%
+}
+
 \DeclareRobustCommand\orcidlink[1]{%
 \texorpdfstring{%
 \setlength{\@curXheight}{\fontcharht\font`X}%
 \href{https://orcid.org/#1}{\XeTeXLinkBox{\mbox{%
+\@preventExternalization%
 \begin{tikzpicture}[yscale=-\@OrigHeightRecip*\@curXheight,
 xscale=\@OrigHeightRecip*\@curXheight,transform shape]
 \pic{orcidlogo};