Closes #123, #17: Added the variable code-block-font-size to change the font size for code blocks via the supplied LaTeX command.

README.md

@@ -150,6 +150,10 @@ This template defines some new variables to control the appearance of the result
 
     enables row colors for tables. The default value is `false` because the coloring extends beyond the edge of the table and there is currently no way to change that.
 
+  - `code-block-font-size` (defaults to `\small`)
+
+    LaTeX command to change the font size for code blocks. The available values are `\tiny`, `\scriptsize`, `\footnotesize`, `\small`, `\normalsize`, `\large`, `\Large`, `\LARGE`, `\huge` and `\Huge`. This option will change the font size for default code blocks using the verbatim environment and for code blocks generated with listings.
+
 ## Examples
 
 ### Numbered Sections

eisvogel.tex

@@ -320,7 +320,7 @@ $highlighting-macros$
 % the help of fvextra). Redefinition is necessary because it is unlikely that
 % pandoc includes fvextra in the default template.
 \usepackage{fvextra}
-\DefineVerbatimEnvironment{Highlighting}{Verbatim}{breaklines,commandchars=\\\{\}}
+\DefineVerbatimEnvironment{Highlighting}{Verbatim}{breaklines,fontsize=$if(code-block-font-size)$$code-block-font-size$$else$\small$endif$,commandchars=\\\{\}}
 
 $endif$
 $if(tables)$
@@ -678,7 +678,7 @@ $else$
   framexleftmargin = 2.5em,
 $endif$
   backgroundcolor  = \color{listing-background},
-  basicstyle       = \color{listing-text-color}\linespread{1.0}\small\ttfamily{},
+  basicstyle       = \color{listing-text-color}\linespread{1.0}$if(code-block-font-size)$$code-block-font-size$$else$\small$endif$\ttfamily{},
   breaklines       = true,
   frame            = single,
   framesep         = 0.19em,