diff options
Diffstat (limited to 'Master/texmf-dist/source/latex/l3kernel/l3str.dtx')
-rw-r--r-- | Master/texmf-dist/source/latex/l3kernel/l3str.dtx | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3str.dtx b/Master/texmf-dist/source/latex/l3kernel/l3str.dtx index 437ca6caa05..32dd203cfc4 100644 --- a/Master/texmf-dist/source/latex/l3kernel/l3str.dtx +++ b/Master/texmf-dist/source/latex/l3kernel/l3str.dtx @@ -43,7 +43,7 @@ % }^^A % } % -% \date{Released 2019-08-14} +% \date{Released 2019-08-25} % % \maketitle % @@ -401,6 +401,10 @@ % % \section{Mapping to strings} % +% All mappings are done at the current group level, \emph{i.e.}~any +% local assignments made by the \meta{function} or \meta{code} discussed +% below remain in effect after the loop. +% % \begin{function}[added = 2017-11-14, rEXP] % {\str_map_function:NN, \str_map_function:cN} % \begin{syntax} @@ -454,7 +458,9 @@ % in turn in the (string or token list) \meta{variable} and applies % the \meta{code}. The \meta{code} will usually make use of the % \meta{variable}, but this is not enforced. The assignments to the -% \meta{variable} are local. See also \cs{str_map_inline:Nn}. +% \meta{variable} are local. Its value after the loop is the last +% \meta{character} in the \meta{string}, or its original value if the +% \meta{string} is empty. See also \cs{str_map_inline:Nn}. % \end{function} % % \begin{function}[added = 2017-11-14] @@ -467,7 +473,9 @@ % the (string or token list) \meta{variable} and applies the % \meta{code}. The \meta{code} will usually make use of the % \meta{variable}, but this is not enforced. The assignments to the -% \meta{variable} are local. See also \cs{str_map_inline:Nn}. +% \meta{variable} are local. Its value after the loop is the last +% \meta{character} in the \meta{string}, or its original value if the +% \meta{string} is empty. See also \cs{str_map_inline:Nn}. % \end{function} % % \begin{function}[added = 2017-10-08, rEXP]{\str_map_break:} @@ -1275,6 +1283,10 @@ % times speed up by testing only every $9$-th character for whether it % is \cs{q_recursion_tail} (also by converting $9$ spaces at a time in % the \cs{str_map_function:nN} case). +% +% For the \texttt{map_variable} functions we use a string assignment +% to store each character because spaces are made catcode~$12$ before +% the loop. % \begin{macrocode} \cs_new:Npn \str_map_function:nN #1#2 { |