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Edit File: follow_help.html

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<title>Help on the Follow link (or page) number feature</title>
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 <h1>Follow link (or goto link or page) number Help 
 Select option (or page) number Help</h1>

If a user has set Keypad mode to Links are
 numbered, or Form fields are numbered, or Links
 and form fields are numbered as the default or for the
 current session via the Options menu, then hypertext
 links (and form fields, depending on the keypad mode) are
 prefixed with numbers in square brackets. Entering a keyboard or
 keypad number is treated as an F_LINK_NUM command, and
 should invoke the Follow link (or goto link or page)
 number: statusline prompt for a potentially multiple digit
 number corresponding to an indicated link number. If RETURN is
 pressed to terminate the number entry (e.g., 123) and it
 corresponds to a hypertext link, Lynx will retrieve the document
 for that link as if you had paged or used other navigation
 commands to make it the current link and then ACTIVATE-ed it. The
 prompt can be invoked via '0', but it will not be
 treated as the lead digit for the number entry, whereas
 '1' through '9' both invoke the prompt and are
 treated as the first digit. In Form fields are numbered
 or Links and form fields are numbered mode, if the
 number corresponds to a form field you will be positioned on that
 field, but if it is a submit button it will not be
 ACTIVATE-ed.

If the number entered at the prompt has a 'g' suffix
 (e.g., 123g), then Lynx will make the link corresponding
 to that number the current link, paging as appropriate if the
 link does not appear in the currently displayed page. The
 'g' suffix is inferred (need not be entered) for form
 fields in Form fields are numbered or Links and form
 fields are numbered mode.

Alternatively, if the number is given a 'p' suffix
 (e.g., 123p), Lynx will make the page corresponding to
 that number the currently displayed page, and the first link on
 that page, if any, the current link. The 'g' and
 'p' suffixes thus convert the Follow link (or goto
 link or page) number: feature to an advanced navigation
 aid.

Finally, a user may add a + or - suffix to a
 number command to indicate jumping forward or back relative to
 the current link or page. For example, typing 1g+
 followed by RETURN will move the current link to the next
 numbered link, skipping any intervening pages or unnumbered
 links; 1g- goes to the preceding numbered link. On a
 page without links, 3g+ goes to the 3rd link
 following the page. 5p+ skips ahead 5 pages,
 and so on. You can also enter 5+ or 5-, which
 will activate the 5th link ahead/behind where you are currently
 positioned. Note that typing 1g+ is different from
 typing a down arrow in that 1g+ skips pages containing
 no links, or intervening non-numbered links, such as form fields
 when form fields are not numbered. It also differs from the
 &lt;tab&gt; command in that 1g+ does not skip
 over whole textareas, unless form fields are not numbered.

NOTE: 1+g 1-g 1+p 1-p are all recognized as
 equivalent to 1g+ 1g- 1p+ 1p- . Any other (mistyped)
 characters end the formula: e.g. 1gh+ is treated as
 1g.

If the user has set Keypad mode to Numbers act as
 arrows, then only '0', rather than every number,
 will be treated as an F_LINK_NUM command for invoking
 the Follow link (or goto link or page) number: prompt.
 The '0' will not be treated as the first digit for the
 number, or number plus suffix, entry.

Numbers are associated with form fields only when Form
 fields are numbered or Links and form fields are
 numbered mode has been selected. If you have selected
 Numbers act as arrows or Links are numbered
 mode, you can seek form fields in the document via WHEREIS
 searches for strings in their displayed values. If they are INPUT
 or TEXTAREA fields with no values as yet, you can use two or more
 underscores as the search string, because underscores are used as
 placeholders for form fields in the displayed document.

When you have invoked a popup window for a
 list of OPTIONs in a form's SELECT block, each OPTION is
 associated with a number, and that number will be displayed in
 Form fields are numbered or Links and form fields
 are numbered mode. In any keypad mode, the
 F_LINK_NUM ('0') command will invoke a
 Select option (or page) number: prompt, and you can
 enter a number, and optionally a 'g' or 'p'
 suffix, to select or seek an OPTION in that list. If only a
 number is entered at the prompt, the corresponding OPTION will be
 selected and the popup will be retracted. If the 'g'
 suffix is included, then you will be positioned on the
 corresponding OPTION in the list, paging through the list if
 necessary, but it will not be treated as selected unless you
 enter the ACTIVATE (RETURN or right-arrow) command when
 positioned on the OPTION. For purposes of paging (e.g., in
 conjunction with the 'p' suffix), a page is
 defined as the number of OPTIONs displayed within the vertical
 dimension of the popup window. Finally, the + and
 - suffixes can be used to move forward or back from the
 current option or page in a popup menu, similarly to the way they
 are used for links For example, while viewing a popup window, the
 user can type 3p+ and RETURN to skip ahead 3 pages, and
 50g- will move the current selection back 50 options.
 This will work whether or not keypad mode is Form
 fields are numbered or Links and form fields are
 numbered since options are numbered internally. If form
 field numbering is turned off, the option numbers won't appear on
 screen, but the user can still navigate using these commands.

Note that HTML can be structured so that it includes
 hidden links, i.e., without a visible link name intended
 for ACTIVATE-ing the link. Such links may be created, for
 example, by making an IMG element the sole content of an Anchor
 element, and including an ALT="" attribute name/value pair to
 suppress access to the link when the browser does not have
 support for image handling available. They also can be created by
 having truly empty Anchor content, in cases for which the value
 of an Anchor's HREF attribute is intended as a navigation aid for
 robots (typically indexers) and not as content for a browser's
 rendition of the document. With the -ismap command line
 switch, Lynx will additionally treat a link to a server-side
 image maps as hidden if there also is a client-side map for the
 same image. Finally, in some cases links that are not intended to
 be hidden may effectively become hidden links because of
 bad HTML. The hidden links differ from Anchors that have
 only a NAME or ID attribute name/value pair (intended as
 positioning targets from other links which do have HREF
 attributes and values that include a fragment).

Lynx respects instructions for hidden links and
 normally does not include them in the rendition of the document.
 However, if the command line switch -hiddenlinks=merge
 is used, such links will still be numbered in sequence with other
 links which are not hidden, and if Links are numbered
 mode is also on, link numbers will appear for them in the
 displayed text (except for links to image maps which are hidden
 because of -ismap). If -hiddenlinks=listonly or
 -hiddenlinks=ignore is in effect, hidden links
 will not be shown in the text even in links are numbered
 mode. Not using a -hiddenlinks flag at all is equivalent
 to -hiddenlinks=listonly.

If a document includes hidden links, they will be
 reported, with appropriate labeling, in the menus created for the
 LIST ('l') or ADDRLIST ('A') commands, unless
 -hiddenlinks=ignore is used. They can then be
 ACTIVATE-ed via those menus. Also, if a link was hidden because
 of an ALT attribute in an IMG element, it will be converted to a
 visible link whenever the IMAGE_TOGGLE ('*')
 command is used to create links for SRC attribute values of IMG
 elements, because this indicates that the user does have some
 form of image handling enabled via a helper application, or
 wishes to download files for subsequent use with a graphic
 browser or other suitable software.

HTML forms also may have fields with a HIDDEN attribute,
 indicating that a name/value pair for the fields should be
 included in the content submitted for the form, but the value
 should not be displayed in the rendered form. Lynx respects this
 attribute as well, and neither displays the HIDDEN field, nor
 assigns it a number for the F_LINK_NUM ('0') command and
 Form fields are numbered or Links and form fields
 are numbered keypad mode handling, nor includes an entry for
 it in the menus created for the LIST ('l') or ADDRLIST
 ('A') commands. However, the HIDDEN name/value pairs are
 included in any displays of submitted form content in the
 Information about the current document that is invoked
 by the INFO ('=') command.
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