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Minor documentation and message issues

From: Frank Heckenbach
Subject: Minor documentation and message issues
Date: Mon, 25 Jul 2022 15:44:50 +0200

The manual states:

  The syntax of the various directives to declare symbols is as follows.

  %token @var{tag}? ( @var{id} @var{number}? @var{string}? )+ ( @var{tag} ( 
@var{id} @var{number}? @var{string}? )+ )*
  %left  @var{tag}? ( @var{id} @var{number}?)+ ( @var{tag} ( @var{id} 
@var{number}? )+ )*
  %type  @var{tag}? ( @var{id} | @var{char} | @var{string} )+ ( @var{tag} ( 
@var{id} | @var{char} | @var{string} )+ )*
  %nterm @var{tag}? @var{id}+ ( @var{tag} @var{id}+ )*
  @end example

I think the "@var{char}" option is missing in the "%token" and
"%left" cases.

Side note, I wonder if allowing string descriptions for chars is
really useful, but I don't really mind:

  %token '.' "!"

Another thing, when running with "-Wcounterexamples", I sometimes
get messages like this:

  Productions leading up to the conflict state found.  Still finding a possible 
unifying counterexample...time limit exceeded: 6,000000

Maybe it's because I'm not a native English speaker, but I've always
found the usage of "find" in the meaning of "search" confusing, but
especially here, as it ultimately does not find anything.

Initially I had read this message as "there were problems, but
still[in spite of that] did find something" so I wondered why it
doesn't show me what it found.

To avoid this confusion, I'd suggest to write "searching for" or
"looking for" instead.

Viele Grüße,

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