add some missing { } around macro args

diff --git a/article.tex b/article.tex
index 7e78f9b647efd8b2b1d2d76f7294244474b2d955..4c487f77c7b1d1c0099f37dc7d70116f5c29e4da 100644 (file)
--- a/article.tex
+++ b/article.tex
@@ -21,9 +21,9 @@
         \newif\ifhidehack\hidehackfalse
         \DeclareRobustCommand\hidefromedef[2]{%
           \hidehacktrue\ifhidehack#1\else#2\fi\hidehackfalse}
-        \newcommand{\pa}[1]{\hidefromedef{\varmathbb #1}{#1}}
+        \newcommand{\pa}[1]{\hidefromedef{\varmathbb{#1}}{#1}}
 
-\newcommand{\set}[1]{\mathbb #1}
+\newcommand{\set}[1]{\mathbb{#1}}
 \newcommand{\pay}[1]{\pa{#1}^+}
 \newcommand{\pan}[1]{\pa{#1}^-}