docfix math expression in FriCAS book

hemmecke · Apr 10, 2024 · 1e84132 · 1e84132
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diff --git a/src/doc/htex/ZDSOLVE.htex b/src/doc/htex/ZDSOLVE.htex
@@ -192,7 +192,7 @@ In these 8 lists, the first element is a value of {\bf z},
 the second of {\bf y} and the last of {\bf x}.
 This is logical since by setting the list of variables of the package
 to {\bf [x,y,z,t]} we mean that the elimination ordering on the
-variables is {\bf t < z < y < x }.
+variables is \texht{$\bf t < z < y < x$}{\bf t < z < y < x}.
 Note that each system treated by the \spadtype{ZDSOLVE} package constructor
 needs only to be zero-dimensional w.r.t. the variables involved in the system it-self
 and not necessarily w.r.t. all the variables used to define the package.

diff --git a/src/doc/htex/ug15.htex b/src/doc/htex/ug15.htex
@@ -1234,8 +1234,8 @@ Bug fixes, in particular:
 \begin{itemize}
 \item Comparisons between elements of the Expression domain are
   undefined. Earlier versions gave confusing results for expressions
-  like '\%e < \%pi' -- now FriCAS will complain about '<' being
-  undefined.
+  like \spad{%e < %pi}
+  -- now FriCAS will complain about \spadop{<} being undefined.
 
 \item A domain for general quaternions was added.