Guide to LaTeX (4th Edition) (Tools and Techniques

H.1. Brief description of the L AT E X commands 521
\begin{overlay} . . . . . . . . . . . . . . . . . . (15.1.2) – 325
In slides class, the environment for producing an overlay for the
current slide. Overlays are numbered with the current slide number
followed by a lower case letter, for example 3-a, 3-b, etc. See also
\begin{slide}.
\begin{picture}(x dimen,y dimen) . . . . . . . . . (13.1.2) – 288
Environment to generate a picture with the width x dimen and height
y dimen, where the unit of length has previously been specified by
the declaration \unitlength.
\begin{picture}(x dimen,y dimen)(x offset,y offset) (13.1.6) – 301
Most general form of the call to the picture environment. The
picture is displaced to the left by x offset and downwards by y offset.
\begin{pmatrix} [m][a] . . . . . . . . . . . . . . . (12.2.4) – 266
Like the matrix environment, but enclosed in round parentheses ().
\begin{quotation} . . . . . . . . . . . . . . . . . . . (4.2.3) – 67
Start of the quotation environment in which text is indented on
both sides relative to the normal page margins. Paragraphs within
the environment are marked with an additional indentation of the
first line.
\begin{quote} . . . . . . . . . . . . . . . . . . . . . (4.2.3) – 67
The same as the quotation environment except that the first line
of a paragraph is not indented but instead additional line spacing
comes between paragraphs.
\begin{slide} . . . . . . . . . . . . . (15.1.2), (15.2.1) – 325, 331
In slides and seminar classes, the main environment for producing
a slide.
\begin{sloppypar} . . . . . . . . . . . . . . . . . . . (2.8.3) – 36
Inside this environment word spacings are allowed to stretch more
generously than usual so that paragraphs are broken up into lines
with fewer word divisions. See also \sloppy. The countercommand
is \fussy.
\begin{split} [m][a] . . . . . . . . . . . . . . . . (12.2.6) – 272
With the amsmath package, is used within a math environment such
as equation to write a formula over several lines. Line breaks are
forced with \\ commands and the lines are horizontally aligned
on the & alignment marker. Any equation number is generated by
the outer environment. It is either centered with the class option
centertags (default) or with tbtags it appears at the right of the
last line, or at the left of the first line, depending on class options
reqno (default) and leqno, respectively.