[PATCH 1 of 3] doc: escape .hg at bol in manpages with make (#1072)

[Christian Ebert]

# HG changeset patch
# User Christian Ebert <blacktrash at gmx.net>
# Date 1207478864 -7200
# Node ID 6281662897df8222a82ce874a49a51ff91c7b786
# Parent  938319418d8c33aa0abac7c7ef3d271f4b72af93
doc: escape .hg at bol in manpages with make (#1072)

This works around a bug in old docbook stylesheets.
Remove .*.swp example from hgignore.5.txt.

Diagnosis and workaround thanks to Alexis S. L. Carvalho.

diff --git a/doc/Makefile b/doc/Makefile
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -18,7 +18,9 @@
 	python gendoc.py > $@
 
 %: %.xml
-	xmlto man $*.xml
+	xmlto man $*.xml ; \
+	sed -e 's/^\.hg/\\\&.hg/' $* > $*~ ; \
+	mv $*~ $*
 
 %.xml: %.txt
 	asciidoc -d manpage -b docbook $*.txt
diff --git a/doc/hgignore.5.txt b/doc/hgignore.5.txt
--- a/doc/hgignore.5.txt
+++ b/doc/hgignore.5.txt
@@ -68,7 +68,6 @@
   *.elc
   *.pyc
   *~
-  .*.swp
 
   # switch to regexp syntax.
   syntax: regexp