Short alternate titles where necessary

bboc.tex

@@ -1041,7 +1041,7 @@ Reminders have something mind-blowing, in the long run. Let's not insist? Maybe.
 
 Roger Bordier is a novelist and essayist. Among his titles: Les blés, Prix Renaudot, Un âge d'or, le Tour de ville, Meeting, La Grande vie, La Belle de mai. Last publication: Chronique de la cité joyeuse, (Albin Michel, 1996).
 
-\chapter{1744-1849, A Lyon's century: The canuts against profit's cannibalism}
+\chapter[1744-1849, A Lyon's century]{1744-1849, A Lyon's century: The canuts against profit's cannibalism}
 
 Very early, Lyon, in the sixteenth century, began to become a center working with precious fabrics exported throughout Europe, then to the New World,
 thanks to a developed banking and commercial apparatus, initiated in the Renaissance by transalpine money handlers.
@@ -1052,7 +1052,7 @@ The extended reproduction was facilitated by a system which placed on craftsmen
 
 To live, the salaried "workshop manager" shared with his "companions" the paid part of the collective work while ensuring "independently" (!) the equipment costs for the modernization and maintenance of its looms.
 
-\section{Division of labour and exploitation in Lyon in the eighteenth century}
+\section[Exploitation in Lyon in the 18th century]{Division of labour and exploitation in Lyon in the eighteenth century}
 
 This is the reason why, in this city where more than a third of the population, from the eighteenth century, living meagerly from the production of fabrics as prestigious as expensive,
 the "wages question" has imposed itself by dominating all social relations.