patch 7.4.1006
Problem:    The fix in patch 7.3.192 is not tested.
Solution:   Add a test, one for each regexp engine. (Elias Diem)
diff --git a/src/testdir/test44.in b/src/testdir/test44.in
index 23bb4f8..44c3ea7 100644
--- a/src/testdir/test44.in
+++ b/src/testdir/test44.in
@@ -44,6 +44,10 @@
 x:" k
 :let @w=':%s#comb[i]nations#œ̄ṣ́m̥̄ᾱ̆́#g'
 :@w
+:"
+:" l Test what 7.3.192 fixed
+/^l
+:s/ \?/ /g
 :?^1?,$w! test.out
 :e! test.out
 G:put =matchstr(\"אבגד\", \".\", 0, 2) " ב
@@ -80,3 +84,4 @@
 i aàáâãäåāăąǎǟǡả bḃḇ cçćĉċč dďđḋḏḑ eèéêëēĕėęěẻẽ fḟ gĝğġģǥǧǵḡ hĥħḣḧḩẖ iìíîïĩīĭįǐỉ jĵǰ kķǩḱḵ lĺļľŀłḻ mḿṁ nñńņňʼnṅṉ oòóôõöøōŏőơǒǫǭỏ pṕṗ q rŕŗřṙṟ sśŝşšṡ tţťŧṫṯẗ uùúûüũūŭůűųưǔủ vṽ wŵẁẃẅẇẘ xẋẍ yýÿŷẏẙỳỷỹ zźżžƶẑẕ
 j 0123❤x
 k combinations
+l äö üᾱ̆́
diff --git a/src/testdir/test44.ok b/src/testdir/test44.ok
index d9a1206..42b46e9 100644
--- a/src/testdir/test44.ok
+++ b/src/testdir/test44.ok
@@ -18,6 +18,7 @@
 i aàáâãäåāăąǎǟǡả bḃḇ cçćĉċč dďđḋḏḑ eèéêëēĕėęěẻẽ fḟ gĝğġģǥǧǵḡ hĥħḣḧḩẖ iìíîïĩīĭįǐỉ jĵǰ kķǩḱḵ lĺļľŀłḻ mḿṁ nñńņňʼnṅṉ oòóôõöøōŏőơǒǫǭỏ pṕṗ q rŕŗřṙṟ sśŝşšṡ tţťŧṫṯẗ uùúûüũūŭůűųưǔủ vṽ wŵẁẃẅẇẘ xẋẍ yýÿŷẏẙỳỷỹ zźżžƶẑ
 j 012❤
 k œ̄ṣ́m̥̄ᾱ̆́
+ l ä ö ü ᾱ̆́
 ב
 בג
 א
diff --git a/src/testdir/test99.in b/src/testdir/test99.in
index 77828f4..d992d4d 100644
--- a/src/testdir/test99.in
+++ b/src/testdir/test99.in
@@ -36,6 +36,10 @@
 x?.
 x:let @w=':%s#comb[i]nations#œ̄ṣ́m̥̄ᾱ̆́#g'
 :@w
+:"
+:" l Test what 7.3.192 fixed
+/^l
+:s/ \?/ /g
 :?^1?,$w! test.out
 :e! test.out
 G:put =matchstr(\"אבגד\", \".\", 0, 2) " ב
@@ -66,3 +70,4 @@
 i aàáâãäåāăąǎǟǡả bḃḇ cçćĉċč dďđḋḏḑ eèéêëēĕėęěẻẽ fḟ gĝğġģǥǧǵḡ hĥħḣḧḩẖ iìíîïĩīĭįǐỉ jĵǰ kķǩḱḵ lĺļľŀłḻ mḿṁ nñńņňʼnṅṉ oòóôõöøōŏőơǒǫǭỏ pṕṗ q rŕŗřṙṟ sśŝşšṡ tţťŧṫṯẗ uùúûüũūŭůűųưǔủ vṽ wŵẁẃẅẇẘ xẋẍ yýÿŷẏẙỳỷỹ zźżžƶẑẕ
 j 0123❤x
 k combinations
+l äö üᾱ̆́
diff --git a/src/testdir/test99.ok b/src/testdir/test99.ok
index 0bd0b8a..330f455 100644
--- a/src/testdir/test99.ok
+++ b/src/testdir/test99.ok
@@ -18,6 +18,7 @@
 i aàáâãäåāăąǎǟǡả bḃḇ cçćĉċč dďđḋḏḑ eèéêëēĕėęěẻẽ fḟ gĝğġģǥǧǵḡ hĥħḣḧḩẖ iìíîïĩīĭįǐỉ jĵǰ kķǩḱḵ lĺļľŀłḻ mḿṁ nñńņňʼnṅṉ oòóôõöøōŏőơǒǫǭỏ pṕṗ q rŕŗřṙṟ sśŝşšṡ tţťŧṫṯẗ uùúûüũūŭůűųưǔủ vṽ wŵẁẃẅẇẘ xẋẍ yýÿŷẏẙỳỷỹ zźżžƶẑ
 j 012❤
 k œ̄ṣ́m̥̄ᾱ̆́
+ l ä ö ü ᾱ̆́
 ב
 בג
 א
diff --git a/src/version.c b/src/version.c
index b693181..965eec4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1006,
+/**/
     1005,
 /**/
     1004,