Remove some outdated comments as some bugs are now fixed. Try to work around boostbook XSL.

[SVN r39385]

historic/jam/doc/bjam.qbk

@@ -1681,12 +1681,8 @@ A target that is not a dependency of any other target is being referenced with =
 
 [section Bugs, Limitations]
 
-The =-j= flag can cause =bjam= to get confused when single actions update more than one target at a time. =bjam= may proceed as if the targets were built even though they are still under construction.
-
 For parallel building to be successful, the dependencies among files must be properly spelled out, as targets tend to get built in a quickest-first ordering. Also, beware of un-parallelizable commands that drop fixed-named files into the current directory, like =yacc(1)= does.
 
-With the =-j= flag, errors from failed commands can get staggeringly mixed up.
-
 A poorly set =$(JAMSHELL)= is likely to result in silent failure. 
 
 [endsect]

historic/jam/doc/build.jam

@@ -13,12 +13,12 @@ stage html
     :
     ../../../LICENSE_1_0.txt
     ../../../boost.png
-    ../../../doc/html/boostbook.css
+    ../../../doc/src/boostbook.css
     ;
 
 stage html/images
     :
-    [ path.glob ../../../doc/html/images : *.png ]
+    [ path.glob ../../../doc/src/images : *.png ]
     ;
 
 boostbook standalone
@@ -29,8 +29,10 @@ boostbook standalone
         <name>html
         <dependency>html
         <dependency>html/images
-        <xsl:param>boost.root=.
+        <xsl:param>boost.root=
         <xsl:param>nav.layout=none
+        <xsl:param>admon.graphics.path=images
+        <xsl:param>navig.graphics.path=images
     ;
 
 # Copyright Rene Rivera 2005-2006. Use, modification, and distribution are