Subject: Re: bug#28242: Batch mode compiling: Error messages are displayed with "invalid character" glyph bounding symbols.

From: Paul Eggert <[email-masked]>
Date: Sun, 27 Aug 2017 09:40:48 -0700

Alan Mackenzie wrote:
> Why are these curly quotes being output without first checking that the
> device they're being output to can display them?

Please test whether GCC generates curved quotes in the same environment, using 
the recipe I suggested in my previous email. That could help us diagnose the 
problem.