Rework the ia

bboc.tex

@@ -1565,7 +1565,7 @@ No problem: the exit of Buzenval, on January 19, 1871, resulted in the death of
 
 This combined fear and phobia leads to betrayal. The choice between Prussians and Bellevillois is quickly made.
 Gustave Flaubert wrote to George Sand on April 30, 1871: \enquote{\enquote{Ah! Thank God the Prussians are here!} is the universal cry of the bourgeoisie}.
-Words confirmed by Francisque Sarcey: \enquote{You cannot imagine the way in which this ia… He seemed to say, this ai deeper than a mug from Germany:
+Words confirmed by Francisque Sarcey: \enquote{You cannot imagine the way this \emph{ia}\rfootnote{Francophone of the German \emph{ja}.} had been said, this \emph{ia} deeper than a mug from Germany:
 \enquote{Yes, poor Frenchman, we are here, fear nothing more… You were born in a free land, ia, on a friendly land, ia, under the protection of the Bavarian bayonets, ia, ia.}
 I couldn't help but repeat this ia in my turn while trying to catch the intonation.}\footnote{In the newspaper named — irony of history — Le Drapeau tricolore (The threecolored flag), May 20, 1871.}
 The armistice, signed on 28 January, delivered Alsace and part of Lorraine to Prussia.