[lex.phases] Index string concatentation in phase 6

AlisdairM · AlisdairM · commit 74c80d3c9fc7 · 2025-03-18T09:13:11.000-04:00
diff --git a/source/lex.tex b/source/lex.tex
@@ -1,6 +1,6 @@
 %!TEX root = std.tex
 \rSec0[lex]{Lexical conventions}
-
+ 
 \gramSec[gram.lex]{Lexical conventions}
 
 \indextext{lexical conventions|see{conventions, lexical}}
@@ -177,6 +177,7 @@
 that common \grammarterm{encoding-prefix}.
 
 \item
+\indextext{concatenation!string}%
 Adjacent \grammarterm{string-literal} preprocessing tokens are concatenated\iref{lex.string}.
 
 \item
