*** ex/ex_join.c.orig	2007-11-19 01:41:42.000000000 +0900
--- ex/ex_join.c.new	2015-02-21 22:42:35.283873883 +0900
***************
*** 103,110 ****
  		 */
  		extra = 0;
  		if (!first && !FL_ISSET(cmdp->iflags, E_C_FORCE)) {
! 			if (isblank(echar))
! 				for (; len && isblank(*p); --len, ++p);
  			else if (p[0] != ')') {
  				if (strchr(".?!", echar)) {
  					*tbp++ = ' ';
--- 103,111 ----
  		 */
  		extra = 0;
  		if (!first && !FL_ISSET(cmdp->iflags, E_C_FORCE)) {
! 			if (iswblank(echar))
! 				for (; len && ( *p == ' ' || *p == '\t' ); --len, ++p);
! 				/* for (; len && iswblank(*p); --len, ++p); <-- an another workaround*/
  			else if (p[0] != ')') {
  				if (strchr(".?!", echar)) {
  					*tbp++ = ' ';
***************
*** 113,119 ****
  				}
  				*tbp++ = ' ';
  				++clen;
! 				for (; len && isblank(*p); --len, ++p);
  			}
  		}
  
--- 114,121 ----
  				}
  				*tbp++ = ' ';
  				++clen;
! 				for (; len && ( *p == ' ' || *p == '\t' ); --len, ++p);
! 				/* for (; len && iswblank(*p); --len, ++p); <-- an another workaround*/
  			}
  		}