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Re: address@hidden: changing line heights]

From: Miles Bader
Subject: Re: address@hidden: changing line heights]
Date: Thu, 25 Sep 2003 20:37:20 -0400
User-agent: Mutt/1.3.28i

On Thu, Sep 25, 2003 at 07:21:42PM -0400, Richard Stallman wrote:
> I think there is a confusion here.
> There is no need for Lisp mode to override these entries
> so that backquote is easier to distinguish, because the purpose
> of these entries is specifically to make it easier to distinguish.

I find this isn't true -- with the fonts I use, the `replacement' quotes
installed by this code are _harder_ to distinguish than the defaults.

I think the reason is that the unicode quote characters used as replacments
are the traditional `inverted comma' and `raised comma' glyphs, which at
small point-sizes on a bitmapped display are very hard to distinguish from
one another (there aren't so many pixels available to make the `bulb' of the
glyph noticably bigger than the `tip').

The default ' and ` characters in the XFree86 4.x fonts I looked at*, by
contrast, _are_ fairly easy to distinguish in my font -- the single-quote is
a vertical line, and the back-single-quote is a sharply slanted line.  The
shapes used might be considered ugly when used in the context of english text
because they are not symmetrical, but I thing it's more important that they
be easy to distinguish, as it's very important for programming (e.g., in the

* I looked at both courier and lucidatypewriter, from the XFree86 4.2.1
  distribution (in the debian package xfonts-100dpi), and my comments above
  seem to hold for both.

My other questions is, why is this part of `standard-display-european'?
Not only is that function documented as `semi deprecated,' but I don't see
how this change is related to that to it, as it involves normal ASCII
characters, not `european' ones.

.Numeric stability is probably not all that important when you're guessing.

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