# st

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    commit add0211522737b79dad990ccd65c8af63b5cc1dd
    parent d5efd256aa3840476579a27293ef1fb92a4b51e7
    Author: Lauri Tirkkonen <lotheac@iki.fi>
    Date:   Wed, 13 Mar 2019 17:15:04 +0200

    use iswspace()/iswpunct() to find word delimiters

    this inverts the configuration logic: you no longer provide a list of
    delimiters -- all space and punctuation characters are considered
    delimiters, unless listed in extrawordchars.

    Diffstat:
    Mconfig.def.h | 7++++---
    Mst.c | 3++-
    Mst.h | 2+-

    3 files changed, 7 insertions(+), 5 deletions(-)
    diff --git a/config.def.h b/config.def.h
    @@ -28,11 +28,12 @@ static float cwscale = 1.0;
     static float chscale = 1.0;

     /*
    - * word delimiter string
    + * all space and punctuation characters are considered word delimiters, unless
    + * listed here.
      *
    - * More advanced example: L" `'\"()[]{}"
    + * More advanced example: L"#$%&+,-./:=?_~"
      */
    -wchar_t *worddelimiters = L" ";
    +wchar_t *extrawordchars = L"./:";

     /* selection timeouts (in milliseconds) */
     static unsigned int doubleclicktimeout = 300;
    diff --git a/st.c b/st.c
    @@ -16,6 +16,7 @@
     #include <termios.h>
     #include <unistd.h>
     #include <wchar.h>
    +#include <wctype.h>

     #include "st.h"
     #include "win.h"
    @@ -41,7 +42,7 @@
     #define ISCONTROLC0(c)		(BETWEEN(c, 0, 0x1f) || (c) == '\177')
     #define ISCONTROLC1(c)		(BETWEEN(c, 0x80, 0x9f))
     #define ISCONTROL(c)		(ISCONTROLC0(c) || ISCONTROLC1(c))
    -#define ISDELIM(u)		(u != 0 && wcschr(worddelimiters, u) != NULL)
    +#define ISDELIM(u)		((iswspace(u) || iswpunct(u)) && wcschr(extrawordchars, u) == NULL)

     enum term_mode {
     	MODE_WRAP        = 1 << 0,
    diff --git a/st.h b/st.h
    @@ -114,7 +114,7 @@ char *xstrdup(char *);
     extern char *utmp;
     extern char *stty_args;
     extern char *vtiden;
    -extern wchar_t *worddelimiters;
    +extern wchar_t *extrawordchars;
     extern int allowaltscreen;
     extern char *termname;
     extern unsigned int tabspaces;