gh-pages: make column wider and don't wrap code blocks

README.adoc

@@ -13728,8 +13728,8 @@ Mispeculated instructions never reach this stage as can be seen at: <<gem5-event
 +
 The `ExecAll` happens at this time as well. And therefore `ExecAll` does not happen for mispeculated instructions.
 
-====== gem5 util/o3-pipeview.py O3 pipeline viewer
 [[gem5-util-o3-pipeview-py-o3-pipeline-viewer]]
+====== gem5 util/o3-pipeview.py O3 pipeline viewer
 
 Mentioned at: http://www.m5sim.org/Visualization
 

build-doc

@@ -28,22 +28,20 @@ from the README to example sources to GitHub rather than locally.
 
     def timed_main(self):
         asciidoctor_dir = os.path.join(self.env['root_dir'], 'asciidoctor')
-        github_pages_opts = []
         if self.env['github_pages']:
             link_target_script = 'link-target-github.rb'
-            github_pages_opts.extend(['--attribute', 'docinfo=shared', LF])
         else:
             link_target_script = 'link-target-up.rb'
         exit_status = self.sh.run_cmd(
             [
                 'asciidoctor', LF,
+                '--attribute', 'docinfo=shared', LF,
                 '--failure-level', 'info', LF,
                 '--require', os.path.join(asciidoctor_dir, link_target_script), LF,
                 '--out-file', self.env['readme_out'], LF,
                 '--trace', LF,
                 '--verbose', LF,
             ] +
-            github_pages_opts +
             [
                 self.env['readme'], LF,
             ],

docinfo.html

@@ -0,0 +1,8 @@
+<style>
+pre{ white-space:pre }
+#header,#content,#footnotes,#footer {
+  margin-left:40px;
+  padding-right:60px;
+  max-width:none;
+}
+</style>