diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,3 +1,10 @@
+texmath (0.11.0.1)
+
+ * OMML writer: use zero-width space to avoid dashed box (#118).
+ In Word, a dashed box shows up for empty text runs in
+ exponents and bases, or empty exponents and bases. So
+ we use a zero-width space in these contexts.
+
texmath (0.11)
* Changed treatment of non-ASCII characters.
diff --git a/src/Text/TeXMath/Writers/OMML.hs b/src/Text/TeXMath/Writers/OMML.hs
--- a/src/Text/TeXMath/Writers/OMML.hs
+++ b/src/Text/TeXMath/Writers/OMML.hs
@@ -180,6 +180,7 @@
[makeNary props "undOvr" s y z w]
EGrouped [ESubsup (ESymbol Op s) y z, w] ->
[makeNary props "subSup" s y z w]
+ EGrouped [] -> [str props "\x200B"] -- avoid dashed box, see #118
EGrouped xs -> concatMap (showExp props) xs
EDelimited start end xs ->
[mnode "d" [ mnode "dPr"
@@ -190,6 +191,8 @@
(either ((:[]) . str props) (showExp props)) xs
] ]
+ EIdentifier "" -> [str props "\x200B"] -- 0-width space
+ -- to avoid the dashed box we get otherwise; see #118
EIdentifier x -> [str props x]
EMathOperator x -> [makeText TextNormal x] -- TODO revisit, use props?
ESymbol _ [c]
@@ -211,7 +214,7 @@
| n > 0.28 && n <= 0.5 -> [str props "\x2004"]
| n > 0.5 && n <= 1.8 -> [str props "\x2001"]
| n > 1.8 -> [str props "\x2001\x2001"]
- | otherwise -> []
+ | otherwise -> [str props "\x200B"]
-- this is how the xslt sheet handles all spaces
EUnder _ x (ESymbol _ [c]) | isBarChar c ->
[mnode "bar" [ mnode "barPr" $
diff --git a/tests/writers/05.omml b/tests/writers/05.omml
--- a/tests/writers/05.omml
+++ b/tests/writers/05.omml
@@ -21,8 +21,18 @@
x
-
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/writers/13.omml b/tests/writers/13.omml
--- a/tests/writers/13.omml
+++ b/tests/writers/13.omml
@@ -5,7 +5,11 @@
-
+
+
+
+
+
p
diff --git a/tests/writers/badAttribsGlyph4.omml b/tests/writers/badAttribsGlyph4.omml
--- a/tests/writers/badAttribsGlyph4.omml
+++ b/tests/writers/badAttribsGlyph4.omml
@@ -8,13 +8,22 @@
-
+
-
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/writers/binomial_coefficient.omml b/tests/writers/binomial_coefficient.omml
--- a/tests/writers/binomial_coefficient.omml
+++ b/tests/writers/binomial_coefficient.omml
@@ -52,7 +52,11 @@
=
-
+
+
+
+
+
n
diff --git a/tests/writers/complex1.omml b/tests/writers/complex1.omml
--- a/tests/writers/complex1.omml
+++ b/tests/writers/complex1.omml
@@ -78,7 +78,11 @@
p
-
+
+
+
+
+
k
@@ -103,7 +107,11 @@
)
-
+
+
+
+
+
n
@@ -172,7 +180,11 @@
k
-
+
+
+
+
+
@@ -187,12 +199,20 @@
k
-
+
+
+
+
+
-
+
+
+
+
+
2
@@ -347,7 +367,11 @@
γ
-
+
+
+
+
+
(
@@ -394,7 +418,11 @@
γ
-
+
+
+
+
+
@@ -460,7 +488,11 @@
1
-
+
+
+
+
+
×
@@ -476,7 +508,11 @@
2
-
+
+
+
+
+
=
@@ -724,7 +760,11 @@
1
-
+
+
+
+
+
@@ -739,7 +779,11 @@
2
-
+
+
+
+
+
@@ -759,7 +803,11 @@
n
-
+
+
+
+
+
@@ -967,7 +1015,11 @@
n
-
+
+
+
+
+
(
@@ -985,7 +1037,11 @@
j
-
+
+
+
+
+
-
@@ -1001,7 +1057,11 @@
i
-
+
+
+
+
+
)
@@ -1060,7 +1120,11 @@
-
+
+
+
+
+
@@ -1106,7 +1170,11 @@
-
+
+
+
+
+
@@ -1155,7 +1223,11 @@
-
+
+
+
+
+
@@ -1235,6 +1307,9 @@
∇
+
+
+
×
@@ -1252,7 +1327,11 @@
-
+
+
+
+
+
-
@@ -1286,6 +1365,9 @@
∂
+
+
+
@@ -1301,7 +1383,11 @@
-
+
+
+
+
+
@@ -1309,6 +1395,9 @@
∂
+
+
+
t
@@ -1356,7 +1445,11 @@
-
+
+
+
+
+
@@ -1366,6 +1459,9 @@
∇
+
+
+
·
@@ -1383,7 +1479,11 @@
-
+
+
+
+
+
@@ -1409,6 +1509,9 @@
∇
+
+
+
×
@@ -1426,7 +1529,11 @@
-
+
+
+
+
+
@@ -1463,6 +1570,9 @@
∂
+
+
+
@@ -1478,7 +1588,11 @@
-
+
+
+
+
+
@@ -1486,6 +1600,9 @@
∂
+
+
+
t
@@ -1512,7 +1629,11 @@
-
+
+
+
+
+
@@ -1522,6 +1643,9 @@
∇
+
+
+
·
@@ -1539,7 +1663,11 @@
-
+
+
+
+
+
@@ -1582,7 +1710,11 @@
ν
-
+
+
+
+
+
-
@@ -1619,7 +1751,11 @@
ν
-
+
+
+
+
+
@@ -1652,7 +1788,11 @@
c
-
+
+
+
+
+
4
@@ -1678,7 +1818,11 @@
ν
-
+
+
+
+
+
@@ -1742,7 +1886,11 @@
e
-
+
+
+
+
+
@@ -1783,7 +1931,11 @@
e
-
+
+
+
+
+
-
@@ -1815,7 +1967,11 @@
e
-
+
+
+
+
+
-
@@ -1847,7 +2003,11 @@
e
-
+
+
+
+
+
-
@@ -1879,7 +2039,11 @@
e
-
+
+
+
+
+
-
@@ -1963,7 +2127,11 @@
2
-
+
+
+
+
+
⌊
@@ -1975,6 +2143,9 @@
·
+
+
+
φ
@@ -2005,7 +2176,11 @@
2
-
+
+
+
+
+
0
@@ -2031,7 +2206,11 @@
2
-
+
+
+
+
+
1
@@ -2101,7 +2280,11 @@
q
-
+
+
+
+
+
@@ -2109,7 +2292,11 @@
k
-
+
+
+
+
+
2
@@ -2156,7 +2343,11 @@
q
-
+
+
+
+
+
2
@@ -2184,7 +2375,11 @@
q
-
+
+
+
+
+
k
@@ -2250,7 +2445,11 @@
q
-
+
+
+
+
+
5
@@ -2284,7 +2483,11 @@
q
-
+
+
+
+
+
5
@@ -2412,7 +2615,11 @@
↓
-
+
+
+
+
+
↑
diff --git a/tests/writers/complex2.omml b/tests/writers/complex2.omml
--- a/tests/writers/complex2.omml
+++ b/tests/writers/complex2.omml
@@ -65,7 +65,11 @@
b
-
+
+
+
+
+
2
@@ -140,7 +144,11 @@
b
-
+
+
+
+
+
2
@@ -215,7 +223,11 @@
x
-
+
+
+
+
+
2
@@ -236,7 +248,11 @@
x
-
+
+
+
+
+
3
@@ -292,7 +308,11 @@
x
-
+
+
+
+
+
2
@@ -308,7 +328,11 @@
x
-
+
+
+
+
+
3
@@ -329,7 +353,11 @@
x
-
+
+
+
+
+
3
@@ -385,7 +413,11 @@
x
-
+
+
+
+
+
2
@@ -404,7 +436,11 @@
x
-
+
+
+
+
+
3
@@ -437,7 +473,11 @@
x
-
+
+
+
+
+
3
@@ -492,7 +532,11 @@
i
-
+
+
+
+
+
-
@@ -503,7 +547,11 @@
x
-
+
+
+
+
+
2
@@ -516,7 +564,11 @@
)
-
+
+
+
+
+
5
@@ -537,7 +589,11 @@
x
-
+
+
+
+
+
3
@@ -579,7 +635,11 @@
e
-
+
+
+
+
+
-
@@ -590,7 +650,11 @@
x
-
+
+
+
+
+
2
@@ -632,7 +696,11 @@
e
-
+
+
+
+
+
-
@@ -655,7 +723,11 @@
)
-
+
+
+
+
+
2
@@ -697,7 +769,11 @@
e
-
+
+
+
+
+
-
@@ -780,7 +856,11 @@
e
-
+
+
+
+
+
-
@@ -863,7 +943,11 @@
e
-
+
+
+
+
+
-
@@ -898,7 +982,11 @@
z
-
+
+
+
+
+
@@ -955,7 +1043,11 @@
1
-
+
+
+
+
+
-
@@ -971,7 +1063,11 @@
2
-
+
+
+
+
+
@@ -986,7 +1082,11 @@
3
-
+
+
+
+
+
-
@@ -1002,7 +1102,11 @@
4
-
+
+
+
+
+
@@ -1022,7 +1126,11 @@
1
-
+
+
+
+
+
-
@@ -1038,7 +1146,11 @@
4
-
+
+
+
+
+
@@ -1053,7 +1165,11 @@
2
-
+
+
+
+
+
-
@@ -1069,7 +1185,11 @@
3
-
+
+
+
+
+
@@ -1104,7 +1224,11 @@
1
-
+
+
+
+
+
-
@@ -1120,7 +1244,11 @@
2
-
+
+
+
+
+
@@ -1135,7 +1263,11 @@
3
-
+
+
+
+
+
-
@@ -1151,7 +1283,11 @@
4
-
+
+
+
+
+
@@ -1177,7 +1313,11 @@
1
-
+
+
+
+
+
-
@@ -1193,7 +1333,11 @@
4
-
+
+
+
+
+
@@ -1208,7 +1352,11 @@
2
-
+
+
+
+
+
-
@@ -1224,7 +1372,11 @@
3
-
+
+
+
+
+
@@ -1266,7 +1418,11 @@
1
-
+
+
+
+
+
-
@@ -1282,7 +1438,11 @@
2
-
+
+
+
+
+
@@ -1297,7 +1457,11 @@
3
-
+
+
+
+
+
-
@@ -1313,7 +1477,11 @@
4
-
+
+
+
+
+
@@ -1342,7 +1510,11 @@
1
-
+
+
+
+
+
-
@@ -1358,7 +1530,11 @@
4
-
+
+
+
+
+
@@ -1373,7 +1549,11 @@
2
-
+
+
+
+
+
-
@@ -1389,7 +1569,11 @@
3
-
+
+
+
+
+
@@ -1426,7 +1610,11 @@
1
-
+
+
+
+
+
-
@@ -1442,7 +1630,11 @@
2
-
+
+
+
+
+
)
@@ -1461,7 +1653,11 @@
3
-
+
+
+
+
+
-
@@ -1477,7 +1673,11 @@
4
-
+
+
+
+
+
)
@@ -1498,7 +1698,11 @@
1
-
+
+
+
+
+
-
@@ -1514,7 +1718,11 @@
4
-
+
+
+
+
+
)
@@ -1533,7 +1741,11 @@
2
-
+
+
+
+
+
-
@@ -1549,7 +1761,11 @@
3
-
+
+
+
+
+
)
diff --git a/tests/writers/complex3.omml b/tests/writers/complex3.omml
--- a/tests/writers/complex3.omml
+++ b/tests/writers/complex3.omml
@@ -253,7 +253,11 @@
-
+
+
+
+
+
C
@@ -383,7 +387,11 @@
-
+
+
+
+
+
C
@@ -456,7 +464,11 @@
-
+
+
+
+
+
C
@@ -2276,7 +2288,11 @@
10
-
+
+
+
+
+
@@ -2305,7 +2321,11 @@
10
-
+
+
+
+
+
@@ -4835,8 +4855,16 @@
-
-
+
+
+
+
+
+
+
+
+
+
x
@@ -4909,7 +4937,11 @@
-
+
+
+
+
+
@@ -5017,7 +5049,11 @@
-
+
+
+
+
+
@@ -5068,7 +5104,11 @@
-
+
+
+
+
+
@@ -5076,7 +5116,11 @@
-
+
+
+
+
+
@@ -15449,7 +15493,11 @@
→
-
+
+
+
+
+
a
@@ -18468,7 +18516,11 @@
-
+
+
+
+
+
@@ -22764,7 +22816,11 @@
2
-
+
+
+
+
+
@@ -22839,7 +22895,11 @@
2
-
+
+
+
+
+
@@ -22914,7 +22974,11 @@
2
-
+
+
+
+
+
@@ -22999,7 +23063,11 @@
2
-
+
+
+
+
+
diff --git a/tests/writers/invChars.omml b/tests/writers/invChars.omml
--- a/tests/writers/invChars.omml
+++ b/tests/writers/invChars.omml
@@ -14,7 +14,7 @@
-
+
@@ -24,6 +24,9 @@
+
+
+
diff --git a/tests/writers/mfenced1.omml b/tests/writers/mfenced1.omml
--- a/tests/writers/mfenced1.omml
+++ b/tests/writers/mfenced1.omml
@@ -10,7 +10,11 @@
-
+
+
+
+
+
diff --git a/tests/writers/mfrac-11.omml b/tests/writers/mfrac-11.omml
--- a/tests/writers/mfrac-11.omml
+++ b/tests/writers/mfrac-11.omml
@@ -74,6 +74,9 @@
+
+
+
A
@@ -112,6 +115,9 @@
F
+
+
+
diff --git a/tests/writers/mfrac-12.omml b/tests/writers/mfrac-12.omml
--- a/tests/writers/mfrac-12.omml
+++ b/tests/writers/mfrac-12.omml
@@ -38,12 +38,18 @@
+
+
+
1
2
+
+
+
diff --git a/tests/writers/mfracZcomp-33.omml b/tests/writers/mfracZcomp-33.omml
--- a/tests/writers/mfracZcomp-33.omml
+++ b/tests/writers/mfracZcomp-33.omml
@@ -103,7 +103,11 @@
C
-
+
+
+
+
+
diff --git a/tests/writers/moAmovable15.omml b/tests/writers/moAmovable15.omml
--- a/tests/writers/moAmovable15.omml
+++ b/tests/writers/moAmovable15.omml
@@ -136,7 +136,11 @@
0
-
+
+
+
+
+
diff --git a/tests/writers/mrowBinferred2.omml b/tests/writers/mrowBinferred2.omml
--- a/tests/writers/mrowBinferred2.omml
+++ b/tests/writers/mrowBinferred2.omml
@@ -28,6 +28,9 @@
+
+
+
2
diff --git a/tests/writers/mspace-01.omml b/tests/writers/mspace-01.omml
--- a/tests/writers/mspace-01.omml
+++ b/tests/writers/mspace-01.omml
@@ -11,6 +11,9 @@
First line
+
+
+
diff --git a/tests/writers/mspace-02.omml b/tests/writers/mspace-02.omml
--- a/tests/writers/mspace-02.omml
+++ b/tests/writers/mspace-02.omml
@@ -11,30 +11,45 @@
2
+
+
+
3
4
+
+
+
5
6
+
+
+
7
8
+
+
+
9
10
+
+
+
11
@@ -47,42 +62,63 @@
12
+
+
+
13
14
+
+
+
15
16
+
+
+
17
18
+
+
+
19
20
+
+
+
21
22
+
+
+
21
22
+
+
+
23
@@ -95,18 +131,27 @@
26
+
+
+
27
28
+
+
+
29
30
+
+
+
31
@@ -119,112 +164,169 @@
32
+
+
+
33
34
+
+
+
35
36
+
+
+
37
38
+
+
+
39
40
+
+
+
41
42
+
+
+
41
42
+
+
+
43
44
+
+
+
45
46
+
+
+
47
48
+
+
+
49
50
+
+
+
51
52
+
+
+
51
52
+
+
+
53
54
+
+
+
55
56
+
+
+
57
58
+
+
+
59
60
+
+
+
61
62
+
+
+
61
62
+
+
+
63
diff --git a/tests/writers/mspace1.omml b/tests/writers/mspace1.omml
--- a/tests/writers/mspace1.omml
+++ b/tests/writers/mspace1.omml
@@ -19,5 +19,8 @@
x
+
+
+
diff --git a/tests/writers/mspace2.omml b/tests/writers/mspace2.omml
--- a/tests/writers/mspace2.omml
+++ b/tests/writers/mspace2.omml
@@ -8,6 +8,9 @@
H
+
+
+
H
diff --git a/tests/writers/mspaceAbreak3.omml b/tests/writers/mspaceAbreak3.omml
--- a/tests/writers/mspaceAbreak3.omml
+++ b/tests/writers/mspaceAbreak3.omml
@@ -11,34 +11,52 @@
+
+
+
+
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+
+
+
+
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
+
+
+
+
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
+
+
+
+
eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
+
+
+
+
fffffffffffffffffffffffffff
+
+
+
+
gggggggggggggggggggggggggggggggggggggggggggggggggggggg
diff --git a/tests/writers/mspacestruts2.omml b/tests/writers/mspacestruts2.omml
--- a/tests/writers/mspacestruts2.omml
+++ b/tests/writers/mspacestruts2.omml
@@ -42,6 +42,9 @@
x
+
+
+
y
@@ -56,6 +59,9 @@
x
+
+
+
y
diff --git a/tests/writers/msqrtBimplied8.omml b/tests/writers/msqrtBimplied8.omml
--- a/tests/writers/msqrtBimplied8.omml
+++ b/tests/writers/msqrtBimplied8.omml
@@ -49,7 +49,11 @@
-
+
+
+
+
+
diff --git a/tests/writers/msubsupBsize2.omml b/tests/writers/msubsupBsize2.omml
--- a/tests/writers/msubsupBsize2.omml
+++ b/tests/writers/msubsupBsize2.omml
@@ -108,7 +108,11 @@
a
-
+
+
+
+
+
diff --git a/tests/writers/msupBsize3.omml b/tests/writers/msupBsize3.omml
--- a/tests/writers/msupBsize3.omml
+++ b/tests/writers/msupBsize3.omml
@@ -11,7 +11,11 @@
-
+
+
+
+
+
1
@@ -84,7 +88,11 @@
-
+
+
+
+
+
a
@@ -103,13 +111,21 @@
-
+
+
+
+
+
a
-
+
+
+
+
+
diff --git a/tests/writers/mtable-14.omml b/tests/writers/mtable-14.omml
--- a/tests/writers/mtable-14.omml
+++ b/tests/writers/mtable-14.omml
@@ -45,7 +45,13 @@
+
+
+
HT
+
+
+
diff --git a/tests/writers/mtable-15.omml b/tests/writers/mtable-15.omml
--- a/tests/writers/mtable-15.omml
+++ b/tests/writers/mtable-15.omml
@@ -45,7 +45,13 @@
+
+
+
HT
+
+
+
diff --git a/tests/writers/mtable-16.omml b/tests/writers/mtable-16.omml
--- a/tests/writers/mtable-16.omml
+++ b/tests/writers/mtable-16.omml
@@ -45,7 +45,13 @@
+
+
+
HT
+
+
+
diff --git a/tests/writers/mtableBspan3.omml b/tests/writers/mtableBspan3.omml
--- a/tests/writers/mtableBspan3.omml
+++ b/tests/writers/mtableBspan3.omml
@@ -109,6 +109,9 @@
+
+
+
diff --git a/tests/writers/sphere_volume.omml b/tests/writers/sphere_volume.omml
--- a/tests/writers/sphere_volume.omml
+++ b/tests/writers/sphere_volume.omml
@@ -150,8 +150,16 @@
S
-
-
+
+
+
+
+
+
+
+
+
+
@@ -238,7 +246,11 @@
π
-
+
+
+
+
+
@@ -269,7 +281,11 @@
π
-
+
+
+
+
+
@@ -312,7 +328,11 @@
R
-
+
+
+
+
+
diff --git a/tests/writers/substack.omml b/tests/writers/substack.omml
--- a/tests/writers/substack.omml
+++ b/tests/writers/substack.omml
@@ -65,7 +65,11 @@
-
+
+
+
+
+
P
diff --git a/tests/writers/white9.omml b/tests/writers/white9.omml
--- a/tests/writers/white9.omml
+++ b/tests/writers/white9.omml
@@ -8,7 +8,7 @@
α
-
+
α
diff --git a/texmath.cabal b/texmath.cabal
--- a/texmath.cabal
+++ b/texmath.cabal
@@ -1,5 +1,5 @@
Name: texmath
-Version: 0.11
+Version: 0.11.0.1
Cabal-Version: >= 1.10
Build-type: Simple
Synopsis: Conversion between formats used to represent mathematics.