From a9742f16191e8438dd117e7870007bee490999fe Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <gray@gnu.org>
Date: Wed, 7 Jul 2021 15:45:28 +0300
Subject: Fix external cross-references in HTML output

---
 doc/.gitignore   |  1 +
 doc/htmlxref.cnf | 15 +++++++++++++++
 doc/pies.texi    | 14 ++++----------
 3 files changed, 20 insertions(+), 10 deletions(-)
 create mode 100644 doc/htmlxref.cnf

(limited to 'doc')

diff --git a/doc/.gitignore b/doc/.gitignore
index e58b88f..80a6a43 100644
--- a/doc/.gitignore
+++ b/doc/.gitignore
@@ -23,3 +23,4 @@ pies.tp
 pies.vr
 pies.fns
 pies.vrs
+/manual
diff --git a/doc/htmlxref.cnf b/doc/htmlxref.cnf
new file mode 100644
index 0000000..5e9d9c5
--- /dev/null
+++ b/doc/htmlxref.cnf
@@ -0,0 +1,15 @@
+PUSZCZA=https://www.gnu.org.ua/software
+MAILFROMD=${PUSZCZA}/mailfromd/manual
+mailfromd	mono	${MAILFROMD}/mailfromd.html
+mailfromd	node	${MAILFROMD}/html_node/
+mailfromd	section	${MAILFROMD}/html_section/
+mailfromd	chapter	${MAILFROMD}/html_chapter/
+
+GNU=http://www.gnu.org/software
+M4=${GNU}/m4/manual
+m4		mono	${M4}/m4.html
+m4		node	${M4}/html_node/
+m4		section	${M4}/html_section/
+m4		chapter	${M4}/html_chapter/
+
+identd(1)	mono	https://man.gnu.org.ua/8/identd
\ No newline at end of file
diff --git a/doc/pies.texi b/doc/pies.texi
index 8eba588..1d1eb06 100644
--- a/doc/pies.texi
+++ b/doc/pies.texi
@@ -665,16 +665,10 @@ package.  When invoked with the @option{--help} option @command{pies}
 reports, among others, the preprocessor it is configured to use and
 the location of the preprocessor startup file.
 
-The use of alternative preprocessor can also be requested when
-invoking @command{pies} by the @option{--preprocessor} option or even
-disabled, using the @option{--no-preprocessor}.}.  It is a powerful
-macro processor, described in detail in 
-@ifnothtml
-@ref{Top, GNU M4 manual, GNU M4, m4, GNU M4 macro processor}.
-@end ifnothtml
-@ifhtml
-@uref{http://www.gnu.org/software/m4/manual, GNU M4 manual}.
-@end ifhtml
+You can change the default preprocessor at runtime, using the
+@option{--preprocessor} option, or disable it using
+@option{--no-preprocessor}.}.  This powerful macro processor is described
+in @ref{Top, GNU M4 manual,, m4, GNU M4 macro processor}.
 For the rest of this subsection we assume the reader is sufficiently
 acquainted with the @command{m4} macro processor.
 
-- 
cgit v1.2.1