#include "config.h"
#ifndef lint
static char rcsid[] ATTR_UNUSED = "$Id$";
#endif

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>

static char buf[LINE_MAX];

int main(void)
{
char *s,*s2,*d;
char f;

	while (fgets(buf,sizeof(buf),stdin)) {
		if (*buf=='#') continue;
		for (s=buf;*s==' ';s++);
		if (*s=='\n' || !*s) continue;
		f=0;
		for (d=s=buf;*s;s++) {
			if (*s=='\t') {
				if ((f=!f)) {
/*fprintf(stderr,"DURING TURN-ON:%s",s);*/
					if (s[1]=='"') s++;
					}
				else {
/*fprintf(stderr,"DURING TURN-OFF:%s",s);*/
					while (d>buf && (d[-1]=='"' || d[-1]==' ')) d--;
					}
				continue;
				}
			s2=s;
			if (*s=='~' ) *s='"';
			else if (f && s[0]=='"' && s[1]==' ') {
				while (*++s==' ');
				if (*s=='"') continue;
				s=s2;
				}
			*d++=*s;
			}
		*d='\0';
		fputs(buf,stdout);
		}
	return(EXIT_SUCCESS);
}