Fix ')display op coerce'


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1731 b0c55286-4f34-0410-a049-a1e7e93b0762
Improve browsing of constructors with parameters.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1732 b0c55286-4f34-0410-a049-a1e7e93b0762
add syscmd ioHooks
ioHook for error function
compile user guide into book.tex
generate most .ps files from corresponding .VIEW
latex209 --> latex2e and cleanup
change to tecintro.htex from NAGcdrom
remove unused code
new tex input translation
remove nullspadcommand
remove and instead generate
more cleanup for latex2e