[groff] 04/04: tmac/an-old.tmac: Move setup of [CDPX] registers.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 925c0cc9fe98e102e4e4ae501acfeeee002713ac
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Fri Sep 18 01:19:50 2020 +1000

    tmac/an-old.tmac: Move setup of [CDPX] registers.
    
    ...to end of file.
---
 ChangeLog        |  5 +++++
 tmac/an-old.tmac | 52 +++++++++++++++++++++++++++++++++++++++++-----------
 2 files changed, 46 insertions(+), 11 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 2735256..47166e9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2020-09-18  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * tmac/an-old.tmac: Move setup of remaining rendering option
+       parameters (registers C, D, P, and X) to end of file.
+
 2020-09-17  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * tmac/an-old.tmac (TH): Move setup of rendering parameter
diff --git a/tmac/an-old.tmac b/tmac/an-old.tmac
index ac000f7..674caf5 100644
--- a/tmac/an-old.tmac
+++ b/tmac/an-old.tmac
@@ -38,15 +38,6 @@
 .\" Define a string for use in diagnostic messages.
 .ds an-old an-old.tmac
 .
-.if !r D .nr D 0
-.if !r C .nr C 0
-.\" We must use consecutive page numbers when using PostScript to
-.\" generate HTML images, and we must not reset the page number at the
-.\" beginning (the 'ps4html' register is automatically added to the
-.\" command line by the pre-HTML preprocessor).
-.if !r ps4html \
-.  if r P .pn 0\n[P]
-.
 .nr need_eo_h 0
 .nr need_col2 0
 .
@@ -54,8 +45,6 @@
 .
 .nr an-html 0
 .if '\*[.T]'html' .nr an-html 1
-.if \n[an-html] .nr C 1
-.if r ps4html .nr C 1
 .
 .\" Define alternate requests to handle continuous rendering.
 .\"
@@ -655,6 +644,21 @@
 .    nr cR 0
 .\}
 .
+.\" continuous page numbering over multiple documents
+.\"
+.\" TODO: If explicitly zero and an-html, warn that it is ignored.
+.if !r C \
+.  nr C 0
+.
+.\" We must use consecutive page numbers when using PostScript to
+.\" generate HTML images; we must not reset the page number at the
+.\" beginning of each document (the 'ps4html' register is automatically
+.\" added to the command line by the pre-HTML preprocessor).
+.if \n[an-html] \
+.  nr C 1
+.if r ps4html \
+.  nr C 1
+.
 .\" full capitalization of section headings
 .if !r CS \
 .  nr CS 0
@@ -663,6 +667,12 @@
 .if !r CT \
 .  nr CT 0
 .
+.\" double-sided layout
+.\"
+.\" TODO: If an-html, warn that it is ignored.
+.if !r D \
+.  nr D 0
+.
 .\" footer distance
 .if !r FT \
 .  nr FT (-.5i)
@@ -700,6 +710,18 @@
 .if !r LT \
 .  nr LT \n[LL]u
 .
+.\" starting page number
+.\"
+.\" Unlike most of these parameters, we do not set a default for P;
+.\" groff supplies a default starting page number (1).  Also, when
+.\" rendering for the HTML output device, page numbers are concealed and
+.\" used for internal purposes like image embedding.
+.\"
+.\" TODO: Warn if -rP used with '\*[.T]'html'.
+.if !r ps4html \
+.  if r P \
+.    pn 0\n[P]
+.
 .\" point size
 .if !r S \{\
 .  nr S 10
@@ -713,6 +735,14 @@
 .if !r SN \
 .  nr SN 3n
 .
+.\" page number after which to apply letter suffixes
+.\"
+.\" Unlike most of these parameters, we do not set a default for X; only
+.\" the macro an-p-footer uses it.
+.\"
+.\" TODO: Warn and remove register if -rX used with '\*[.T]'html'.
+.\" X
+.
 .\" adjustment mode
 .if !d AD \
 .  ds AD b\"