ConTeXt template: ensure that font names don't wrap.

Closes #10305.

data/templates/default.context

@@ -60,19 +60,19 @@ $endif$
 
 $-- set up font fallbacks
 $for(mainfontfallback)$
-\definefallbackfamily[mainface][rm][$mainfontfallback$][range=0x0000-0xFFFF, check=yes, force=no]
+\definefallbackfamily[mainface][rm][$mainfontfallback/nowrap$][range=0x0000-0xFFFF, check=yes, force=no]
 $endfor$
 $for(sansfontfallback)$
-\definefallbackfamily[mainface][ss][$sansfontfallback$][range=0x0000-0xFFFF, check=yes, force=no]
+\definefallbackfamily[mainface][ss][$sansfontfallback/nowrap$][range=0x0000-0xFFFF, check=yes, force=no]
 $endfor$
 $for(monofontfallback)$
-\definefallbackfamily[mainface][tt][$monofontfallback$][range=0x0000-0xFFFF, check=yes, force=no]
+\definefallbackfamily[mainface][tt][$monofontfallback/nowrap$][range=0x0000-0xFFFF, check=yes, force=no]
 $endfor$
 \definefallbackfamily[mainface][rm][CMU Serif][preset=range:greek, force=yes]
-\definefontfamily[mainface][rm][$if(mainfont)$$mainfont$$else$Latin Modern Roman$endif$]
-\definefontfamily[mainface][mm][$if(mathfont)$$mathfont$$else$Latin Modern Math$endif$]
-\definefontfamily[mainface][ss][$if(sansfont)$$sansfont$$else$Latin Modern Sans$endif$]
-\definefontfamily[mainface][tt][$if(monofont)$$monofont$$else$Latin Modern Typewriter$endif$][features=none]
+\definefontfamily[mainface][rm][$if(mainfont)$$mainfont/nowrap$$else$Latin Modern Roman$endif$]
+\definefontfamily[mainface][mm][$if(mathfont)$$mathfont/nowrap$$else$Latin Modern Math$endif$]
+\definefontfamily[mainface][ss][$if(sansfont)$$sansfont/nowrap$$else$Latin Modern Sans$endif$]
+\definefontfamily[mainface][tt][$if(monofont)$$monofont/nowrap$$else$Latin Modern Typewriter$endif$][features=none]
 \setupbodyfont[mainface$if(fontsize)$,$fontsize$$endif$]
 
 \setupwhitespace[$if(whitespace)$$whitespace$$else$medium$endif$]