[Rd] format text help pages Windows

From: Tobias Verbeke <tobias.verbeke_at_gmail.com>
Date: Sun, 09 Sep 2007 17:53:19 +0200


Dear list,

Could someone enlighten me a bit on the
exact format used for text help pages
as I see them on Windows in the help/
folders of (compiled) package roots.

When opening an example of these files
in a text editor (?Bessel in GNU emacs), the file is displayed as follows:

_^HB_^He_^Hs_^Hs_^He_^Hl_^H _^HF_^Hu_^Hn_^Hc_^Ht_^Hi_^Ho_^Hn_^Hs

Bessel                 package:base                 R Documentation

_^HB_^He_^Hs_^Hs_^He_^Hl_^H _^HF_^Hu_^Hn_^Hc_^Ht_^Hi_^Ho_^Hn_^Hs

_^HD_^He_^Hs_^Hc_^Hr_^Hi_^Hp_^Ht_^Hi_^Ho_^Hn:

      Bessel Functions of integer and fractional order, of first and
      second kind, J(nu) and Y(nu), and Modified Bessel functions (of
      first and third kind), I(nu) and K(nu).

[....]

How should other applications handle these files ? Running Rterm as a console within eclipse, e.g., now displays ^H as small rectangles and leaves the underscores while R itself (Rgui to be precise) and ESS nicely display help pages with some formatting (color code for Rgui and underlining in an ESS help buffer).

Many thanks in advance,
Tobias

-- 

Tobias Verbeke - Consultant
Business & Decision Benelux
Rue de la révolution 8
1000 Brussels - BELGIUM

+32 499 36 33 15
tobias.verbeke_at_businessdecision.com

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