Issue #8: Source Sans Pro is now applied as the main font even when using XeLaTeX with polyglossia.

eisvogel.tex

@@ -320,6 +320,8 @@ $if(babel-newcommands)$
   $babel-newcommands$
 $endif$
 \else
+  % See issue https://github.com/reutenauer/polyglossia/issues/127
+  \renewcommand*\familydefault{\sfdefault}
   % load polyglossia as late as possible as it *could* call bidi if RTL lang (e.g. Hebrew or Arabic)
   \usepackage{polyglossia}
   \setmainlanguage[$polyglossia-lang.options$]{$polyglossia-lang.name$}
@@ -388,6 +390,8 @@ $if(babel-newcommands)$
   $babel-newcommands$
 $endif$
 \else
+  % See issue https://github.com/reutenauer/polyglossia/issues/127
+  \renewcommand*\familydefault{\sfdefault}
   % load polyglossia as late as possible as it *could* call bidi if RTL lang (e.g. Hebrew or Arabic)
   \usepackage{polyglossia}
   \setmainlanguage[]{english}