fbox (4nov19)

git-svn-id: svn://tug.org/texlive/trunk@52637 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 26 insertions, 9 deletions

diff --git a/Master/texmf-dist/tex/latex/fbox/fbox.sty b/Master/texmf-dist/tex/latex/fbox/fbox.sty
index b3227b36caa..01c90824356 100644
--- a/Master/texmf-dist/tex/latex/fbox/fbox.sty
+++ b/Master/texmf-dist/tex/latex/fbox/fbox.sty
@@ -11,17 +11,32 @@
 %% and version 1.3c or later is part of all distributions of LaTeX
 %% version 2005/12/01 or later.
 %
-% $Id: fbox.sty 946 2019-03-08 12:08:22Z herbert $
+% $Id: fbox.sty 947 2019-03-08 17:06:20Z herbert $
 %
 % -------------------------------------
-\ProvidesPackage{fbox}[2019/03/00 v. 0.01 allow parts of the frame (hv)]
+\ProvidesPackage{fbox}[2019/11/04 v. 0.03 allow parts of the frame (hv)]
 %
 \let\orig@fbox\fbox
-\def\fb@lowerc@se#1{\lowercase{\edef\@tempa{#1}}}
+\def\fb@lowerc@se#1{%     make \lowercase expandable
+  \begingroup\edef\x{%
+    \lowercase{\endgroup\def\noexpand\@tempa{#1}}}\x
+}
 %
-\long\def\fbox{\@ifnextchar[\FBox@i\orig@fbox}
+\newif\if@fbox@star
+\newif\if@fbox@space@left
+\newif\if@fbox@space@right
+
+\long\def\fbox{\@ifnextchar*{\@fbox@startrue\FBox@}{\@fbox@starfalse\FBox@*}}
+\def\FBox@*{\@ifnextchar[\FBox@i\orig@fbox}
 %
 \def\FBox@i[#1]{%
+  \if@fbox@star
+    \@fbox@space@leftfalse
+    \@fbox@space@rightfalse
+  \else
+    \@fbox@space@lefttrue
+    \@fbox@space@righttrue
+  \fi
   \ifx\relax#1\relax
     \@tempcntb=15
   \else
@@ -32,13 +47,15 @@
   \FBox@iii
 }
 \def\FBox@ii#1#2\@nil{%
-  \ifx#1t\advance\@tempcntb by 8%  top
+  \ifx#1t\advance\@tempcntb by 8                %  top
   \else
-    \ifx#1l\advance\@tempcntb by 4% left
+    \ifx#1l\advance\@tempcntb by 4              % left
+      \if@fbox@star\@fbox@space@lefttrue\fi
     \else
-      \ifx#1r\advance\@tempcntb by 2% right
+      \ifx#1r\advance\@tempcntb by 2            % right
+        \if@fbox@star\@fbox@space@righttrue\fi
       \else
-         \ifx#1b\advance\@tempcntb by 1% bottom
+         \ifx#1b\advance\@tempcntb by 1         % bottom
   \fi\fi\fi\fi
   \if\relax#2\relax\def\next{}\else\def\next{\FBox@ii#2\@nil}\fi
   \next
@@ -47,7 +64,7 @@
   \leavevmode
   \setbox\@tempboxa\hbox{%
     \color@begingroup
-      \kern\fboxsep{#1}\kern\fboxsep
+      \if@fbox@space@left\kern\fboxsep\fi{#1}\if@fbox@space@right\kern\fboxsep\fi
     \color@endgroup}%
   \@FrameB@x\relax}
 %