On 01/11/2016 10:37 AM, Eli Zaretskii wrote: > So someone with access to the programs in question will have to step > with a debugger through the code involved in this (I can point to the > relevant parts of the Emacs C code), and find out what goes wrong > there, and why. Alternatively, if a reproducible test case can be > posted with a simple program which reads its stdin and causes the > hang, I will try debugging it myself. (By "simple program" I meant > something that won't involve installing lots of other packages, > ideally something as simple as a batch file calling 'cat' or a similar > program.) Hi Eli, Thanks for looking into this. Would a recipe requiring node.js and jshint be too much? Node.js has a windows installer and jshint can be installed with npm install --global jshint. Clément.