It's not a bug. Stuff inside {{ }} is interpreted as Python code -- if you 
want to comment that, you have to use Python comments. Anything outside of 
{{ }} is left exactly as is so that you can mix whatever HTML/CSS/JS you 
want with the web2py template language. The web2py template engine does not 
parse the non-Python stuff. If you insert HTML comments, they will be 
inserted in the output as HTML comments.

Anthony

On Saturday, October 29, 2011 6:24:37 PM UTC-4, peter wrote:
>
> Thanks for your answers. 
>
> One of the things that has been confusing me, and I would call a bug 
> is this 
>
> I have commented out two lines in layout.html 
>
> <!-- 
> {{response.files.append(URL('static','css/jquery- 
> ui-1.8.16.custom.css'))}} 
> {{response.files.append(URL('static','js/jquery- 
> ui-1.8.16.custom.min.js'))}} 
> --> 
>
> However the lines still execute 
>
> {{#response.files.append(URL('static','css/jquery- 
> ui-1.8.16.custom.css'))}} 
> {{#response.files.append(URL('static','js/jquery- 
> ui-1.8.16.custom.min.js'))}} 
>
> does comment them out. I think that things within html comments should 
> not execute. 
>
> Peter 
>
>
>
> On Oct 29, 6:30 pm, Anthony <[email protected]> wrote: 
> > There is a function called response.include_files() that is called in 
> > web2py_ajax.html, which is likely included in the head of your 
> layout.html. 
> > Any files added to the response.files list prior to that being called 
> will 
> > be included in the head by response.include_files(). The default 
> > layout.html as well as web2py_ajax.html itself both add files to 
> > response.files. Perhaps plugin_jqgrid adds to response.files as well. 
> > 
> > Anthony 
> > 
> > 
> > 
> > On Saturday, October 29, 2011 11:23:27 AM UTC-4, peter wrote: 
> > 
> > > These lines appear at the top of my generated html files 
> > 
> > >  <script src="/images/static/js/jquery.js" type="text/javascript"></ 
> > > script> 
> > >      <link href="/images/static/css/calendar.css" rel="stylesheet" 
> > > type="text/css" /> 
> > >      <script src="/images/static/js/calendar.js" type="text/ 
> > > javascript"></script> 
> > >      <link href="/images/static/plugin_jqgrid/ui.jqgrid.css" 
> > > rel="stylesheet" type="text/css" /> 
> > >      <link href="/images/static/plugin_jqgrid/ui-darkness/jquery- 
> > > ui-1.8.1.custom.css" rel="stylesheet" type="text/css" /> 
> > >      <script src="/images/static/plugin_jqgrid/jquery- 
> > > ui-1.7.2.custom.min.js" type="text/javascript"></script> 
> > >      <script src="/images/static/plugin_jqgrid/i18n/grid.locale-en.js" 
> > > type="text/javascript"></script> 
> > >      <script src="/images/static/plugin_jqgrid/jquery.jqGrid.min.js" 
> > > type="text/javascript"></script> 
> > >      <link href="/images/static/plugin_wiki/ui/css/redmond/jquery- 
> > > ui-1.8.5.custom.css" rel="stylesheet" type="text/css" /> 
> > >      <script src="/images/static/plugin_wiki/ui/js/jquery- 
> > > ui-1.8.5.custom.min.js" type="text/javascript"></script> 
> > >      <link href="/images/static/plugin_wiki/jqgrid/ui.jqgrid.css" 
> > > rel="stylesheet" type="text/css" /> 
> > >      <script src="/images/static/plugin_wiki/jqgrid/i18n/grid.locale- 
> > > en.js" type="text/javascript"></script> 
> > >      <script src="/images/static/plugin_wiki/jqgrid/ 
> > > jquery.jqGrid.min.js" type="text/javascript"></script> 
> > >      <script src="/images/static/plugin_wiki/slideshow/ 
> > > jquery.cycle.min.js" type="text/javascript"></script> 
> > >      <link href="/images/static/plugin_wiki/multiselect/ 
> > > jquery.multiselect.css" rel="stylesheet" type="text/css" /> 
> > >      <script src="/images/static/plugin_wiki/multiselect/ 
> > > jquery.multiselect.js" type="text/javascript"></script> 
> > >      <link href="/images/static/plugin_wiki/rating/jquery.rating.css" 
> > > rel="stylesheet" type="text/css" /> 
> > >      <script src="/images/static/plugin_wiki/rating/jquery.rating.js" 
> > > type="text/javascript"></script> 
> > >      <link href="/images/static/css/jquery-ui-1.8.16.custom.css" 
> > > rel="stylesheet" type="text/css" /> 
> > >      <script src="/images/static/js/jquery-ui-1.8.16.custom.min.js" 
> > > type="text/javascript"></script> 
> > >      <link href="/images/static/plugin_layout_coffeecup/layouts/ 
> > > CupofCoffee/default.css" rel="stylesheet" type="text/css" /> 
> > >      <script src="/images/static/plugin_layout_coffeecup/superfish.js" 
> > > type="text/javascript"></script> 
> > 
> > > Where are they generated, and how can I get control over them? 
> > 
> > > Thanks 
> > 
> > > On Oct 29, 2:49 pm, Anthony <[email protected]> wrote: 
> > > > You may need to clear your browser cache to get static files to 
> update. 
> > 
> > > > On Saturday, October 29, 2011 9:30:15 AM UTC-4, peter wrote: 
> > 
> > > > > Thanks for a quick response. You are right that this is where the 
> grey 
> > > > > background is coming from. But I am still at a loss as to why this 
> is 
> > > > > not being loaded on my local machine as the css are in the right 
> place 
> > > > > in the static folder and are the same on both machines. 
> > 
> > > > > Peter 
> > 
> > > > > On Oct 29, 12:46 pm, Bruno Rocha <[email protected]> wrote: 
> > > > > > you are using ui=jquery-ui maybe locally it is not being loaded? 
> > 
> > > > > >http://zerp.ly/rochacbruno 
> > > > > > Em 29/10/2011 08:35, "peter" <[email protected]> escreveu: 
> > 
> > > > > > > Bruno 
> > 
> > > > > > > I have an indentical application on the web and locally. I use 
> the 
> > > > > > > same version of web2py.  However I seem to get some 
> differences in 
> > > the 
> > > > > > > way SQLFORM.grid appears. 
> > 
> > > > > > > If you look at 
> > 
> > > > > > >www.ukjazz.net/store/albumsthecolumnheadings and the lines 
> above 
> > > > > > > have a grey background. 
> > 
> > > > > > > However on my local computer there is no grey background and 
> there 
> > > are 
> > > > > > > other stylistic differences on these lines. There is no 
> mention of 
> > > > > > > web2py_grid anywhere in the htmls or css's. Everything is 
> > > identical in 
> > > > > > > the application folder on the local and remote systems. 
> > 
> > > > > > > So where is the remote system picking up this difference in 
> style 
> > > > > > > from? Are there some defaults below the application? 
> > 
> > > > > > > Thanks 
> > > > > > > Peter- Hide quoted text - 
> > 
> > > > > > - Show quoted text -- Hide quoted text - 
> > 
> > > > - Show quoted text -- Hide quoted text - 
> > 
> > - Show quoted text -

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