* Fixed a bug with the use of \unskip in vertical mode. A float is typeset in vertical mode when it's on its own page.

git-svn-id: https://tufte-latex.googlecode.com/svn/trunk@165 516e2f36-ce3a-0410-bea4-1d4a03f5df72

tufte-common.def

@@ -1301,7 +1301,7 @@
 % Redefine the figure environment to place the captions in the margin space
 
 \renewenvironment{figure}[1][htbp]%
-  {\unskip\begin{@tufte@float}[#1]{figure}{}}
+  {\ifvmode\else\unskip\fi\unskip\begin{@tufte@float}[#1]{figure}{}}
   {\end{@tufte@float}}
 
 
@@ -1309,7 +1309,7 @@
 % Redefine the table environment to place the captions in the margin space
 
 \renewenvironment{table}[1][htbp]
-  {\unskip\begin{@tufte@float}[#1]{table}{}}
+  {\ifvmode\else\unskip\fi\begin{@tufte@float}[#1]{table}{}}
   {\end{@tufte@float}}
 
 
@@ -1317,7 +1317,7 @@
 % Full-width figure
 
 \renewenvironment{figure*}[1][htbp]%
-  {\unskip\begin{@tufte@float}[#1]{figure}{star}}
+  {\ifvmode\else\unskip\fi\begin{@tufte@float}[#1]{figure}{star}}
   {\end{@tufte@float}}
 
 
@@ -1325,7 +1325,7 @@
 % Full-width table
 
 \renewenvironment{table*}[1][htbp]%
-  {\unskip\begin{@tufte@float}[#1]{table}{star}}
+  {\ifvmode\else\unskip\fi\unskip\begin{@tufte@float}[#1]{table}{star}}
   {\end{@tufte@float}}