- From: Gregg Vanderheiden <gv@trace.wisc.edu>
- Date: Mon, 15 May 2000 15:27:31 -0500
- To: "'Bruce Bailey'" <bbailey@clark.net>, "'GL - WAI Guidelines WG \(E-mail\)'" <w3c-wai-gl@w3.org>, <chuckop@coppersoftware.com>
- Cc: <uaccess-l@trace.wisc.edu>, <basr-l@trace.wisc.edu>
Charles was with Microsoft but is now at > Copper Software > http://www.coppersoftware.com > chuckop@coppersoftware.com I guess that would make him a Copperman Gregg -- ------------------------------ Gregg C Vanderheiden Ph.D. Professor - Human Factors Dept of Ind. Engr. - U of Wis. Director - Trace R & D Center Gv@trace.wisc.edu, http://trace.wisc.edu/ FAX 608/262-8848 For a list of our listserves send "lists" to listproc@trace.wisc.edu -----Original Message----- From: w3c-wai-gl-request@w3.org [mailto:w3c-wai-gl-request@w3.org] On Behalf Of Bruce Bailey Sent: Monday, May 15, 2000 1:56 PM To: GL - WAI Guidelines WG (E-mail); chuckop@coppersoftware.com Cc: uaccess-l@trace.wisc.edu; basr-l@trace.wisc.edu Subject: RE: Bobby output daunting on accessible page Yep. The Bobby report is verbose to the point of being useless. The CAST folks think that this is a feature. What can be done? Isn't Chuck Oppermann the name of the head disability wok at Microsoft? > -----Original Message----- > From: w3c-wai-gl-request@w3.org [mailto:w3c-wai-gl-request@w3.org]On > Behalf Of Gregg Vanderheiden > Sent: Sunday, May 14, 2000 4:26 PM > To: GL - WAI Guidelines WG (E-mail) > Subject: FW: Bobby output daunting on accessible page > > > fyi > > > -- ------------------------------ > Gregg C Vanderheiden Ph.D. > Professor - Human Factors > Dept of Ind. Engr. - U of Wis. > Director - Trace R & D Center > Gv@trace.wisc.edu, http://trace.wisc.edu/ > FAX 608/262-8848 > For a list of our listserves send "lists" to listproc@trace.wisc.edu > > -----Original Message----- > From: owner-basr-l@trace.wisc.edu > [mailto:owner-basr-l@trace.wisc.edu] On > Behalf Of Charles Oppermann > Sent: Sunday, May 14, 2000 3:07 PM > To: uaccess-l@trace.wisc.edu; basr-l@trace.wisc.edu > Cc: bobby@cast.org > Subject: Bobby output daunting on accessible page > > In response to a question about multiple selection controls in > HTML, I wrote > an short page that demonstrates two examples of the <SELECT> tag > in HTML. I > used FrontPage 2000 to create the page and used it's built-in features to > create the <SELECT> elements, <LABEL> elements and ALT attributes. I then > took time to tweak the HTML for better accessibility by adding TITLE and > ACCESSKEY attributes. > The page is at > http://www.coppersoftware.com/Software/accessibility/select_example.html > . > > I used LYNX 2.8.1 (Win32 version) to test the page and then ran it through > Bobby and was shocked to see the number of reported errors that were > returned on the page. Here is a condensed list: > "P1 - Manual check" (apparently things that Bobby can't figure out on it's > own) > 1. Ensure that descriptions of dynamic content are updated > with changes in > content. > 2. Make sure that style sheets transform gracefully. > 3. If any of the images on this page convey important > information beyond > what is in each image's alternative text, add a LONGDESC attribute. (2 > instances) > 4. If this table contains data in rows and columns (i.e. a > spreadsheet), > have you identified headers for the table rows and columns? (3 instances) > 5. If any of the images on this page convey important > information beyond > what is in each image's alternative text, add descriptive (D) links. (2 > instances) > > "P2 - Manual check" > 1. Mark up quotations with the Q and BLOCKQUOTE elements. > 2. Did you avoid using movement where possible? (2 instances) > 3. Make sure that headings are nested properly. > 4. Do not use pop-up windows or change active window unless the user is > aware this is happening. (1 instance) > 5. Do labels of all form controls immediately follow its > control on the same > line? (8 instances) > 6. Have you provided a linear text alternative for all tables > that lay out > content in parallel, word-wrapped columns? (6 instances) > 7. For long lists of selections, have you grouped items into a > hierarchy? (2 > instances) > 8. Style sheets should be used to control layout and > presentation wherever > possible. (3 instances) > > "P3 - Manual check" > 1. Use the ABBR and ACRONYM elements to denote and expand > abbreviations and > acronyms. > 2. If this table is used to display data in rows and columns (i.e. a > spreadsheet), have you provided a summary of the table? (3 instances) > 3. Consider adding keyboard shortcuts to frequently used > links. (1 instance) > 4. Specify a logical tab order among form controls, links and objects. > (2 instances) > 5. Identify the language of the text, and any changes in the language. > > "Browser Compatibility Errors" > 1. Unknown attribute TABINDEX in element LABEL. for > browser(s): HTML4.0 (2 > instances) > > While I got the "Bobby Approved" statement, what's disconcerting is the > sheer number of benign errors that are reported to the author that really > don't affect accessibility. It's a huge negative reinforcement issue. > Instead of rewarding authors for doing the right thing, they are flooded > with minor issues. > Here's my perspective: I've used a extremely popular tool to > create a very > small page. I've worked to ensure accessibility by digging into the HTML. > I've tested it. I know accessibility. Yet I'm told there are 19 > different > categories covering 41 problems! > It's not hard to see why people feel that accessibility is a burden. > Even when I do the right thing, like use Style Sheets, Bobby warns me: > "Priority 1, item 2: Make sure that style sheets transform gracefully." > Some of the reported problems are completely bogus, like: > "Priority 2, item 1: Mark up quotations with the Q and BLOCKQUOTE > elements." > There are no <BLOCKQUOTE> elements in my document. > "Priority 2, item 3: Make sure that headings are nested properly." > Why can't Bobby figure this out? In my document, a H1 is followed by a H2 > which is followed by another H2 then a H3. No nesting problem there. At > least err on the side of the author because even if I screwed it up, it's > not going to adversely affect the accessibility of the document. > "Priority 2, item 5: Do labels of all form controls immediately follow its > control on the same line? (8 instances)" > I really think this one is bogus. The purpose of <LABEL> is to make a > programmatic association between a control and it's label text. I use > <LABEL> in my code, yet I get this error. > "Priority 2, item 7: For long lists of selections, have you grouped items > into a hierarchy? (2 instances)" > My selections have 3 items in each. Bobby should have a cut off value so > this isn't displayed when less than X selections are used. > "Priority 3, item 4: Specify a logical tab order among form > controls, links > and objects. (2 instances)" > I did exactly that with TABINDEX in the <LABEL> tag. Bobby > should be smart > enough to know that the <SELECT> control was nested inside the > <LABEL> block > and since the <LABEL> had a TABINDEX attribute should not report > the error. > This one I can understand, since HTML 4 doesn't allow TABINDEX in <LABEL>, > thus the following error: > "Unknown attribute TABINDEX in element LABEL. for browser(s): HTML4.0 (2 > instances)" > Internet Explorer allows for TABINDEX to be placed in nearly all > elements, a > major boost for accessibility, but since it's not part of HTML > 4.0, it's not > considered. So while I've great enhanced the accessibility of my page by > using TABINDEX, it actually generates a warning message. > If the community wants to prove that accessibility is not a burden to > authors and that the benefits outweigh the cost, I suggest > restructuring the > Bobby output to focus on the positives, highlight major errors and hide > minor issues from the summary, allowing authors to dig deeper if they > choose. But if we're going to harp on Header nesting and > incorrect usage of > <BLOCKQUOTE>, then the recently expressed concerns of the authoring > community are valid. > Charles Oppermann > Copper Software > http://www.coppersoftware.com > chuckop@coppersoftware.com
Received on Monday, 15 May 2000 16:24:37 UTC