[isabelle-dev] NEWS: op <infix> -> (<infix>)

Tobias Nipkow nipkow at in.tum.de
Wed Jan 10 20:17:01 CET 2018

* The "op <infix-op>" syntax for infix operators has been replaced by
"(<infix-op>)". If <infix-op> begins or ends with a "*", there needs to
be a space between the "*" and the corresponding parenthesis.
There is an Isabelle tool "update_op" that converts theory and ML files
to the new syntax. Because it is based on regular expression matching,
the result may need a bit of manual postprocessing. Invoking "isabelle
update_op" converts all files in the current directory (recursively).
In case you want to exclude conversion of ML files (because the tool
frequently also converts ML's "op" syntax), use option "-m".

In revision eab6ce8368fa

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