Add LaTeX variable urlstyle (#8429)

This is set to `same` by default, so users should not experience any change.

MANUAL.txt

@@ -2913,6 +2913,9 @@ Pandoc uses these variables when [creating a PDF] with a LaTeX engine.
 `links-as-notes`
 :   causes links to be printed as footnotes
 
+`urlstyle`
+:   style for URLs (e.g., tt, same)
+
 #### Front matter
 
 `lof`, `lot`

data/templates/default.latex

@@ -384,7 +384,7 @@ $if(csquotes)$
 $endif$
 \IfFileExists{bookmark.sty}{\usepackage{bookmark}}{\usepackage{hyperref}}
 \IfFileExists{xurl.sty}{\usepackage{xurl}}{} % add URL line breaks if available
-\urlstyle{same} % disable monospaced font for URLs
+\urlstyle{$if(urlstyle)$$urlstyle$$else$same$endif$}
 $if(links-as-notes)$
 % Make links footnotes instead of hotlinks:
 \DeclareRobustCommand{\href}[2]{#2\footnote{\url{#1}}}

man/pandoc.1

@@ -3011,6 +3011,8 @@ and links in table of contents, respectively: uses options allowed by
 .TP
 \f[V]links-as-notes\f[R]
 causes links to be printed as footnotes
+\f[V]urlstyle\f[R]
+style for URLs (e.g., tt, same)
 .SS Front matter
 .TP
 \f[V]lof\f[R], \f[V]lot\f[R]

test/lhs-test.latex

@@ -83,7 +83,7 @@
 \fi
 \IfFileExists{bookmark.sty}{\usepackage{bookmark}}{\usepackage{hyperref}}
 \IfFileExists{xurl.sty}{\usepackage{xurl}}{} % add URL line breaks if available
-\urlstyle{same} % disable monospaced font for URLs
+\urlstyle{same}
 \hypersetup{
   hidelinks,
   pdfcreator={LaTeX via pandoc}}

test/lhs-test.latex+lhs

@@ -50,7 +50,7 @@
 \fi
 \IfFileExists{bookmark.sty}{\usepackage{bookmark}}{\usepackage{hyperref}}
 \IfFileExists{xurl.sty}{\usepackage{xurl}}{} % add URL line breaks if available
-\urlstyle{same} % disable monospaced font for URLs
+\urlstyle{same}
 \hypersetup{
   hidelinks,
   pdfcreator={LaTeX via pandoc}}

test/writer.latex

@@ -60,7 +60,7 @@
 \fi
 \IfFileExists{bookmark.sty}{\usepackage{bookmark}}{\usepackage{hyperref}}
 \IfFileExists{xurl.sty}{\usepackage{xurl}}{} % add URL line breaks if available
-\urlstyle{same} % disable monospaced font for URLs
+\urlstyle{same}
 \VerbatimFootnotes % allow verbatim text in footnotes
 \hypersetup{
   pdftitle={Pandoc Test Suite},

test/writers-lang-and-dir.latex

@@ -66,7 +66,7 @@
 \fi
 \IfFileExists{bookmark.sty}{\usepackage{bookmark}}{\usepackage{hyperref}}
 \IfFileExists{xurl.sty}{\usepackage{xurl}}{} % add URL line breaks if available
-\urlstyle{same} % disable monospaced font for URLs
+\urlstyle{same}
 \hypersetup{
   pdflang={en},
   hidelinks,