Dear Bison makers,
First, thanks for your very useful tool. However, I have to say I'm
frustrated by the utter lack of downwards compatibility. Why is this
necessary?
I'm working with code that originated in 1998. It has in the meantime
been copied so often that it is impossible to revise all instances.
Every time I get a new bison update I get new errors and complaints that
are totally cryptic and un-understandable, whereas with the older
versions everything worked. Just as a simple example, some old versions
allowed to ommit the ";" at the end of a rule. Newer versions don't. In
effect, I have spent countless hours in the last 5 years inserting ";"
at the points where some programmer in 1998 happened to leave them away.
It would be so much more convenient if the bison development obeyed some
form of downwards compatibility.
best regards,
Joerg Hoffmann
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