(eplain.info)Footnotes

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4.17 Footnotes
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The most common reference mark for footnotes is a raised number,
incremented on each footnote. The '\numberedfootnote' macro provides
this. It takes one argument, the footnote text.

   If your document uses only numbered footnotes, you could make typing
'\numberedfootnote' more convenient with a command such as:

     \let\footnote = \numberedfootnote

After doing this, you can type your footnotes as '\footnote{FOOTNOTE
TEXT}', instead of as '\numberedfootnote{FOOTNOTE TEXT}'.

   Eplain keeps the current footnote number in the count register
'\footnotenumber'. So, to reset the footnote number to zero, as you
might want to do at, for example, the beginning of a chapter, you could
say '\footnotenumber=0'.

   Plain TeX separates the footnote marker from the footnote text by an
en space (it uses the '\textindent' macro). In Eplain, you can change
this space by setting the dimension register '\footnotemarkseparation'.
The default is still an en.

   You can produce a space between footenotes by setting the glue
register '\interfootnoteskip'. The default is zero.

   '\parskip' is also set to zero by default before the beginning of
each footnote (but not for the text of the footnote).

   You can also control footnote formatting in a more general way:
Eplain expands the token register '\everyfootnote' before a footnote is
typeset, but after the default values for all the parameters have been
established. For example, if you want your footnotes to be printed in
seven-point type, indented by one inch, you could say:

     \everyfootnote = {\sevenrm \leftskip = 1in}

   By default, an '\hrule' is typeset above each group of footnotes on a
page. You can control the dimensions of this rule by setting the
dimension registers '\footnoterulewidth' and '\footnoteruleheight'. The
space between the rule and the first footnote on the page is determined
by the dimension register '\belowfootnoterulespace'. If you don't want
any rule at all, set '\footenoteruleheight=0pt', and, most likely,
'\belowfootnoterulespace=0pt'. The defaults for these parameters typeset
the rule in the same way as plain TeX: the rule is 0.4 points high, 2
true inches wide, with 2.6 points below it.

   The space above the rule and below the text on the page is controlled
by the glue register '\skip\footins'. The default is a plain TeX
'\bigskip'.

   Eplain can create hypertext links for the footnote marks (Note:
Footnote hyperlinks).