Markup.

git-svn-id: https://svn.r-project.org/R/trunk@87400 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: hornik

doc/NEWS.Rd

@@ -402,7 +402,7 @@
       thanks to \I{Mikael Jagan}.
 
       \item \code{cbind()} could segfault with \code{NULL} inputs.
-      (Seen when \R was built with \command{gcc14}, LTO and C99 inlining
+      (Seen when \R was built with \command{gcc14}, \abbr{LTO} and C99 inlining
       semantics.)
 
       \item Fix segfault on \code{quartz()} from \code{grid.glyph()}
@@ -418,8 +418,8 @@
     \itemize{
       \item \R can be installed using C23 (for example with
       \option{-std=gnu23} or \option{-std=gnu2x}) with recent compilers
-      including \command{gcc} 14, Apple \command{clang} 16 and LLVM
-      \command{clang} 17--19.  (LLVM \command{clang} 18 and 19 objected
+      including \command{gcc} 14, Apple \command{clang} 16 and \I{LLVM}
+      \command{clang} 17--19.  (\I{LLVM} \command{clang} 18 and 19 objected
       to apparently valid code using attributes accepted by all the
       other compilers.)
     }

doc/manual/R-exts.texi

@@ -3224,7 +3224,7 @@ The (claimed) C standard in use can be checked by the macro
 values @code{199901L}, @code{201112L} and @code{201710L} for C99, C11
 and C17.  The definitive value for C23 is @code{202311L} but some
 compilers@footnote{for example @command{gcc} 14 and Apple
-@command{clang} 16, but not LLVM @command{clang 18} and later.} are
+@command{clang} 16, but not @I{LLVM} @command{clang 18} and later.} are
 currently using @code{202000L} and requiring the standard to be
 specified as @code{c2x}.
 @c https://gustedt.gitlabpages.inria.fr/c23-library/