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-rw-r--r--Src/Zle/compcore.c4
-rw-r--r--Src/Zle/zle_tricky.c6
-rw-r--r--Src/lex.c2
-rw-r--r--Src/params.c11
-rw-r--r--Src/subst.c15
-rw-r--r--Src/utils.c18
-rw-r--r--Src/zsh.h2
-rw-r--r--Src/ztype.h1
8 files changed, 40 insertions, 19 deletions
diff --git a/Src/Zle/compcore.c b/Src/Zle/compcore.c
index 64a860fa3..77fce66e8 100644
--- a/Src/Zle/compcore.c
+++ b/Src/Zle/compcore.c
@@ -1230,14 +1230,14 @@ check_param(char *s, int set, int test)
 	else if (idigit(*e))
 	    while (idigit(*e))
 		e++;
-	else if ((ie = itype_end(e, IIDENT, 0)) != e) {
+	else if ((ie = itype_end(e, INAMESPC, 0)) != e) {
 	    do {
 		e = ie;
 		if (comppatmatch && *comppatmatch &&
 		    (*e == Star || *e == Quest))
 		    ie = e + 1;
 		else
-		    ie = itype_end(e, IIDENT, 0);
+		    ie = itype_end(e, INAMESPC, 0);
 	    } while (ie != e);
 	}
 
diff --git a/Src/Zle/zle_tricky.c b/Src/Zle/zle_tricky.c
index 07fac7144..690cf6efb 100644
--- a/Src/Zle/zle_tricky.c
+++ b/Src/Zle/zle_tricky.c
@@ -576,7 +576,7 @@ parambeg(char *s)
 	    while (idigit(*e))
 		e++;
 	else
-	    e = itype_end(e, IIDENT, 0);
+	    e = itype_end(e, INAMESPC, 0);
 
 	/* Now make sure that the cursor is inside the name. */
 	if (offs <= e - s && offs >= b - s && n <= 0) {
@@ -765,7 +765,7 @@ docomplete(int lst)
 			    else if (idigit(*q))
 				do q++; while (idigit(*q));
 			    else
-				q = itype_end(q, IIDENT, 0);
+				q = itype_end(q, INAMESPC, 0);
 			    sav = *q;
 			    *q = '\0';
 			    if (zlemetacs - wb == q - s &&
@@ -1497,7 +1497,7 @@ get_comp_string(void)
 	if (varq)
 	    tt = clwords[clwpos];
 
-	s = itype_end(tt, IIDENT, 0);
+	s = itype_end(tt, INAMESPC, 0);
 	sav = *s;
 	*s = '\0';
 	zsfree(varname);
diff --git a/Src/lex.c b/Src/lex.c
index 15da85a93..2f7937410 100644
--- a/Src/lex.c
+++ b/Src/lex.c
@@ -1230,7 +1230,7 @@ gettokstr(int c, int sub)
 		    else {
 			int sav = *lexbuf.ptr;
 			*lexbuf.ptr = '\0';
-			t = itype_end(t, IIDENT, 0);
+			t = itype_end(t, INAMESPC, 0);
 			if (t < lexbuf.ptr) {
 			    skipparens(Inbrack, Outbrack, &t);
 			} else {
diff --git a/Src/params.c b/Src/params.c
index 90302b1b0..d3b6a7d43 100644
--- a/Src/params.c
+++ b/Src/params.c
@@ -1223,7 +1223,7 @@ isident(char *s)
 		break;
     } else {
 	/* Find the first character in `s' not in the iident type table */
-	ss = itype_end(s, IIDENT, 0);
+	ss = itype_end(s, INAMESPC, 0);
     }
 
     /* If the next character is not [, then it is *
@@ -2086,6 +2086,7 @@ fetchvalue(Value v, char **pptr, int bracks, int flags)
     char *s, *t, *ie;
     char sav, c;
     int ppar = 0;
+    int itype = (flags & SCANPM_NONAMESPC) ? IIDENT : INAMESPC;
 
     s = t = *pptr;
 
@@ -2095,7 +2096,7 @@ fetchvalue(Value v, char **pptr, int bracks, int flags)
 	else
 	    ppar = *s++ - '0';
     }
-    else if ((ie = itype_end(s, IIDENT, 0)) != s)
+    else if ((ie = itype_end(s, itype, 0)) != s)
 	s = ie;
     else if (c == Quest)
 	*s++ = '?';
@@ -2183,7 +2184,7 @@ fetchvalue(Value v, char **pptr, int bracks, int flags)
 		return v;
 	    }
 	} else if (!(flags & SCANPM_ASSIGNING) && v->isarr &&
-		   itype_end(t, IIDENT, 1) != t && isset(KSHARRAYS))
+		   itype_end(t, INAMESPC, 1) != t && isset(KSHARRAYS))
 	    v->end = 1, v->isarr = 0;
     }
     if (!bracks && *s)
@@ -6196,7 +6197,7 @@ setscope(Param pm)
     if (pm->node.flags & PM_NAMEREF) {
 	Param basepm;
 	struct asgment stop;
-	char *t = pm->u.str ? itype_end(pm->u.str, IIDENT, 0) : NULL;
+	char *t = pm->u.str ? itype_end(pm->u.str, INAMESPC, 0) : NULL;
 
 	/* Temporarily change nameref to array parameter itself */
 	if (t && *t == '[')
@@ -6277,7 +6278,7 @@ upscope(Param pm, int reflevel)
 mod_export int
 valid_refname(char *val)
 {
-    char *t = itype_end(val, IIDENT, 0);
+    char *t = itype_end(val, INAMESPC, 0);
 
     if (*t != 0) {
 	if (*t == '[') {
diff --git a/Src/subst.c b/Src/subst.c
index 05bfcc03b..7a4b433bc 100644
--- a/Src/subst.c
+++ b/Src/subst.c
@@ -1870,7 +1870,7 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags,
      * these later on, too.
      */
     c = *s;
-    if (itype_end(s, IIDENT, 1) == s && *s != '#' && c != Pound &&
+    if (itype_end(s, INAMESPC, 1) == s && *s != '#' && c != Pound &&
 	!IS_DASH(c) &&
 	c != '!' && c != '$' && c != String && c != Qstring &&
 	c != '?' && c != Quest &&
@@ -2332,7 +2332,7 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags,
 	    }
 	} else if ((c == '#' || c == Pound) &&
 		   (inbrace || !isset(POSIXIDENTIFIERS)) &&
-		   (itype_end(s+1, IIDENT, 0) != s + 1
+		   (itype_end(s+1, INAMESPC, 0) != s + 1
 		    || (cc = s[1]) == '*' || cc == Star || cc == '@'
 		    || cc == '?' || cc == Quest
 		    || cc == '$' || cc == String || cc == Qstring
@@ -2369,8 +2369,9 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags,
 	     * Try to handle this when parameter is named
 	     * by (P) (second part of test).
 	     */
-	    if (itype_end(s+1, IIDENT, 0) != s+1 || (aspar && isstring(s[1]) &&
-				 (s[2] == Inbrace || s[2] == Inpar)))
+	    if (itype_end(s+1, INAMESPC, 0) != s+1 ||
+		(aspar && isstring(s[1]) &&
+		 (s[2] == Inbrace || s[2] == Inpar)))
 		chkset = 1, s++;
 	    else if (!inbrace) {
 		/* Special case for `$+' on its own --- leave unmodified */
@@ -2531,6 +2532,8 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags,
 	    scanflags |= SCANPM_DQUOTED;
 	if (chkset)
 	    scanflags |= SCANPM_CHECKING;
+	if (!inbrace)
+	    scanflags |= SCANPM_NONAMESPC;
 	/*
 	 * Second argument: decide whether to use the subexpression or
 	 *   the string next on the line as the parameter name.
@@ -3211,7 +3214,7 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags,
 	    shortest = 0;
 	    ++s;
 	}
-	if (*itype_end(s, IIDENT, 0)) {
+	if (*itype_end(s, INAMESPC, 0)) {
 	    untokenize(s);
 	    zerr("not an identifier: %s", s);
 	    return NULL;
@@ -3271,7 +3274,7 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags,
 	int intersect = (*s == '*' || *s == Star);
 	char **compare, **ap, **apsrc;
 	++s;
-	if (*itype_end(s, IIDENT, 0)) {
+	if (*itype_end(s, INAMESPC, 0)) {
 	    untokenize(s);
 	    zerr("not an identifier: %s", s);
 	    return NULL;
diff --git a/Src/utils.c b/Src/utils.c
index 55f2d1ab0..1393ecb13 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -3123,7 +3123,7 @@ spckword(char **s, int hist, int cmd, int ask)
 
     if (**s == String && !*t) {
 	guess = *s + 1;
-	if (itype_end(guess, IIDENT, 1) == guess)
+	if (itype_end(guess, INAMESPC, 1) == guess)
 	    return;
 	ic = String;
 	d = 100;
@@ -4310,13 +4310,27 @@ wcsitype(wchar_t c, int itype)
  * If "once" is set, just test the first character, i.e. (outptr !=
  * inptr) tests whether the first character is valid in an identifier.
  *
- * Currently this is only called with itype IIDENT, IUSER or ISEP.
+ * Currently called only with itype INAMESPC, IIDENT, IUSER or ISEP.
  */
 
 /**/
 mod_export char *
 itype_end(const char *ptr, int itype, int once)
 {
+    if (itype == INAMESPC) {
+	itype = IIDENT;
+	if (once == 0 && !isset(POSIXIDENTIFIERS)) {
+	    /* Special case for names containing ".", ksh93 namespaces */
+	    char *t = itype_end(ptr + (*ptr == '.'), itype, 0);
+	    if (t > ptr+1) {
+		if (*t == '.')
+		    return itype_end(t+1, itype, 0);
+		else
+		    return t;
+	    }
+	}
+    }
+
 #ifdef MULTIBYTE_SUPPORT
     if (isset(MULTIBYTE) &&
 	(itype != IIDENT || !isset(POSIXIDENTIFIERS))) {
diff --git a/Src/zsh.h b/Src/zsh.h
index 96b4b06bd..0de1f7afb 100644
--- a/Src/zsh.h
+++ b/Src/zsh.h
@@ -1963,6 +1963,8 @@ struct tieddata {
 				  */
 #define SCANPM_CHECKING   (1<<10) /* Check if set, no need to create */
 #define SCANPM_NOEXEC     (1<<11) /* No command substitutions, etc. */
+#define SCANPM_NONAMESPC  (1<<12) /* namespace syntax not allowed */
+
 /* "$foo[@]"-style substitution
  * Only sign bit is significant
  */
diff --git a/Src/ztype.h b/Src/ztype.h
index 8757fc733..4675f73a9 100644
--- a/Src/ztype.h
+++ b/Src/ztype.h
@@ -43,6 +43,7 @@
 #define IWSEP    (1 << 13)
 #define INULL    (1 << 14)
 #define IPATTERN (1 << 15)
+#define INAMESPC (1 << 16)
 #define zistype(X,Y) (typtab[(unsigned char) (X)] & Y)
 #define idigit(X) zistype(X,IDIGIT)
 #define ialnum(X) zistype(X,IALNUM)