diff options
Diffstat (limited to 'Master/texmf-dist/doc/latex/l3kernel/source3body.tex')
-rw-r--r-- | Master/texmf-dist/doc/latex/l3kernel/source3body.tex | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Master/texmf-dist/doc/latex/l3kernel/source3body.tex b/Master/texmf-dist/doc/latex/l3kernel/source3body.tex index a56e37e8281..cddbdac6e2a 100644 --- a/Master/texmf-dist/doc/latex/l3kernel/source3body.tex +++ b/Master/texmf-dist/doc/latex/l3kernel/source3body.tex @@ -228,11 +228,10 @@ following argument specifiers: this type of expansion. Functions which feature an \texttt{x}-type argument are \emph{not} expandable. \item[\texttt{e}] The \texttt{e} specifier is in many respects - identical to \texttt{x}, but with a very different implementation. + identical to \texttt{x}, but uses \tn{expanded} primitive. + Parameter character (usually~|#|) in the argument need not be doubled. Functions which feature an \texttt{e}-type argument may be - expandable. The drawback is that \texttt{e} is extremely slow - (often more than $200$ times slower) in older engines, more - precisely in non-\LuaTeX{} engines older than 2019. + expandable. \item[\texttt{f}] The \texttt{f} specifier stands for \emph{full expansion}, and in contrast to \texttt{x} stops at the first non-expandable token (reading the argument from left to right) without |