correct the bug #285

pgf-tikz · Jan 23, 2019 · fb5d730 · fb5d730
1 parent f87015f
commit fb5d730
Showing 1 changed file with 13 additions and 9 deletions.
diff --git a/tex/generic/pgf/frontendlayer/tikz/libraries/tikzlibraryintersections.code.tex b/tex/generic/pgf/frontendlayer/tikz/libraries/tikzlibraryintersections.code.tex
@@ -53,23 +53,27 @@
   \expandafter\pgfutil@g@addto@macro\expandafter\tikz@intersect@namedpaths\expandafter{\tikz@marshal}%
 }%
 
+% at the begining of evey \path command clear \tikz@intersect@namedpaths globally
+\let\tikz@installcommands@original\tikz@installcommands%
+\def\tikz@installcommands{%
+  \tikz@installcommands@original%
+  \let\path@original\path%
+  \def\path{%
+    \global\let\tikz@intersect@namedpaths=\pgfutil@empty% clear
+    \path@original%
+  }%
+}%
 
+% at the end of evey \path command ...
 \let\tikz@finish@orig=\tikz@finish
 \def\tikz@finish{%
   \tikz@finish@orig%
   \tikz@intersect@finish%
 }%
 
+% ... make the named path variables available
 \def\tikz@intersect@finish{%
-  \ifx\tikz@intersect@namedpaths\pgfutil@empty%
-  \else%
-    \tikz@intersect@namedpaths%
-    % FIXME : it is reasonable to reset this globally as it is global
-    % in its nature. But the reset instruction should be moved to
-    % \endscope or something related. Resetting it here breaks the
-    % manual
-    \let\tikz@intersect@namedpaths=\pgfutil@empty%
-  \fi%
+  \tikz@intersect@namedpaths%
 }%
 
 \let\tikz@intersect@namedpaths=\pgfutil@empty