From 52655a519ca118677532b89078c465d7e48d7e22 Mon Sep 17 00:00:00 2001 From: David Carlisle Date: Fri, 5 Dec 2025 11:17:44 +0000 Subject: [PATCH 1/3] corrections to combining characters table --- tables/combining-operators.html | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tables/combining-operators.html b/tables/combining-operators.html index 3e1cd21..c581ea5 100644 --- a/tables/combining-operators.html +++ b/tables/combining-operators.html @@ -1 +1 @@ -

Combining

Non CombiningStyleCombining
U+002Bplus signbelowU+031Fcombining plus sign below
U+002Dhyphen-minusaboveU+0305combining overline
U+002Dhyphen-minusbelowU+0320combining minus sign below
U+002Dhyphen-minusbelowU+0332combining low line
U+002Efull stopaboveU+0307combining dot above
U+002Efull stopbelowU+0323combining dot below
U+005Ecircumflex accentaboveU+0302combining circumflex accent
U+005Ecircumflex accentbelowU+032Dcombining circumflex accent below
U+005Flow linebelowU+0332combining low line
U+0060grave accentaboveU+0300combining grave accent
U+0060grave accentbelowU+0316combining grave accent below
U+007EtildeaboveU+0303combining tilde
U+007EtildebelowU+0330combining tilde below
U+00A8diaeresisaboveU+0308combining diaeresis
U+00A8diaeresisbelowU+0324combining diaeresis below
U+00AFmacronaboveU+0304combining macron
U+00AFmacronaboveU+0305combining overline
U+00B4acute accentaboveU+0301combining acute accent
U+00B4acute accentbelowU+0317combining acute accent below
U+00B8cedillabelowU+0327combining cedilla
U+02C6modifier letter circumflex accentaboveU+0302combining circumflex accent
U+02C7caronaboveU+030Ccombining caron
U+02C7caronbelowU+032Ccombining caron below
U+02D8breveaboveU+0306combining breve
U+02D8brevebelowU+032Ecombining breve below
U+02D9dot aboveaboveU+0307combining dot above
U+02D9dot abovebelowU+0323combining dot below
U+02DBogonekbelowU+0328combining ogonek
U+02DCsmall tildeaboveU+0303combining tilde
U+02DCsmall tildebelowU+0330combining tilde below
U+02DDdouble acute accentaboveU+030Bcombining double acute accent
U+203EoverlineaboveU+0305combining overline
U+2190leftwards arrowaboveU+20D6
U+2192rightwards arrowaboveU+20D7combining right arrow above
U+2192rightwards arrowaboveU+20EFcombining right arrow below
U+2212minus signaboveU+0305combining overline
U+2212minus signbelowU+0332combining low line
U+27F6long rightwards arrowaboveU+20D7combining right arrow above
U+27F6long rightwards arrowaboveU+20EFcombining right arrow below

Non Combining

CombiningStyleNon Combining
U+0300combining grave accentaboveU+0060grave accent
U+0301combining acute accentaboveU+00B4acute accent
U+0302combining circumflex accentaboveU+005Ecircumflex accent
U+0302combining circumflex accentaboveU+02C6modifier letter circumflex accent
U+0303combining tildeaboveU+007Etilde
U+0303combining tildeaboveU+02DCsmall tilde
U+0304combining macronaboveU+00AFmacron
U+0305combining overlineaboveU+002Dhyphen-minus
U+0305combining overlineaboveU+00AFmacron
U+0305combining overlineaboveU+203Eoverline
U+0305combining overlineaboveU+2212minus sign
U+0306combining breveaboveU+02D8breve
U+0307combining dot aboveaboveU+02E
U+0307combining dot aboveaboveU+002Efull stop
U+0307combining dot aboveaboveU+02D9dot above
U+0308combining diaeresisaboveU+00A8diaeresis
U+030Bcombining double acute accentaboveU+02DDdouble acute accent
U+030Ccombining caronaboveU+02C7caron
U+0312combining turned comma aboveaboveU+0B8
U+0316combining grave accent belowbelowU+0060grave accent
U+0317combining acute accent belowbelowU+00B4acute accent
U+031Fcombining plus sign belowbelowU+002Bplus sign
U+0320combining minus sign belowbelowU+002Dhyphen-minus
U+0323combining dot belowbelowU+002Efull stop
U+0323combining dot belowbelowU+02D9dot above
U+0324combining diaeresis belowbelowU+00A8diaeresis
U+0327combining cedillabelowU+00B8cedilla
U+0328combining ogonekbelowU+02DBogonek
U+032Ccombining caron belowbelowU+02C7caron
U+032Dcombining circumflex accent belowbelowU+005Ecircumflex accent
U+032Ecombining breve belowbelowU+02D8breve
U+0330combining tilde belowbelowU+007Etilde
U+0330combining tilde belowbelowU+02DCsmall tilde
U+0332combining low linebelowU+002Dhyphen-minus
U+0332combining low linebelowU+005Flow line
U+0332combining low linebelowU+2212minus sign
U+0338combining long solidus overlayoverU+02F
U+20D7combining right arrow aboveaboveU+2192rightwards arrow
U+20D7combining right arrow aboveaboveU+27F6long rightwards arrow
U+20EFcombining right arrow belowaboveU+2192rightwards arrow
U+20EFcombining right arrow belowaboveU+27F6long rightwards arrow
\ No newline at end of file +

Combining

Non CombiningStyleCombining
U+002Bplus signbelowU+031Fcombining plus sign below
U+002Dhyphen-minusaboveU+0305combining overline
U+002Dhyphen-minusbelowU+0320combining minus sign below
U+002Dhyphen-minusbelowU+0332combining low line
U+002Efull stopaboveU+0307combining dot above
U+002Efull stopbelowU+0323combining dot below
U+005Ecircumflex accentaboveU+0302combining circumflex accent
U+005Ecircumflex accentbelowU+032Dcombining circumflex accent below
U+005Flow linebelowU+0332combining low line
U+0060grave accentaboveU+0300combining grave accent
U+0060grave accentbelowU+0316combining grave accent below
U+007EtildeaboveU+0303combining tilde
U+007EtildebelowU+0330combining tilde below
U+00A8diaeresisaboveU+0308combining diaeresis
U+00A8diaeresisbelowU+0324combining diaeresis below
U+00AFmacronaboveU+0304combining macron
U+00AFmacronaboveU+0305combining overline
U+00B4acute accentaboveU+0301combining acute accent
U+00B4acute accentbelowU+0317combining acute accent below
U+00B8cedillabelowU+0327combining cedilla
U+02C6modifier letter circumflex accentaboveU+0302combining circumflex accent
U+02C7caronaboveU+030Ccombining caron
U+02C7caronbelowU+032Ccombining caron below
U+02D8breveaboveU+0306combining breve
U+02D8brevebelowU+032Ecombining breve below
U+02D9dot aboveaboveU+0307combining dot above
U+02D9dot abovebelowU+0323combining dot below
U+02DBogonekbelowU+0328combining ogonek
U+02DCsmall tildeaboveU+0303combining tilde
U+02DCsmall tildebelowU+0330combining tilde below
U+02DDdouble acute accentaboveU+030Bcombining double acute accent
U+203EoverlineaboveU+0305combining overline
U+2190leftwards arrowaboveU+20D6combining left arrow above
U+2192rightwards arrowaboveU+20D7combining right arrow above
U+2192rightwards arrowaboveU+20EFcombining right arrow below
U+2212minus signaboveU+0305combining overline
U+2212minus signbelowU+0332combining low line
U+27F6long rightwards arrowaboveU+20D7combining right arrow above
U+27F6long rightwards arrowaboveU+20EFcombining right arrow below

Non Combining

CombiningStyleNon Combining
U+0300combining grave accentaboveU+0060grave accent
U+0301combining acute accentaboveU+00B4acute accent
U+0302combining circumflex accentaboveU+005Ecircumflex accent
U+0302combining circumflex accentaboveU+02C6modifier letter circumflex accent
U+0303combining tildeaboveU+007Etilde
U+0303combining tildeaboveU+02DCsmall tilde
U+0304combining macronaboveU+00AFmacron
U+0305combining overlineaboveU+002Dhyphen-minus
U+0305combining overlineaboveU+00AFmacron
U+0305combining overlineaboveU+203Eoverline
U+0305combining overlineaboveU+2212minus sign
U+0306combining breveaboveU+02D8breve
U+0307combining dot aboveaboveU+002Efull stop
U+0307combining dot aboveaboveU+02D9dot above
U+0308combining diaeresisaboveU+00A8diaeresis
U+030Bcombining double acute accentaboveU+02DDdouble acute accent
U+030Ccombining caronaboveU+02C7caron
U+0312combining turned comma aboveaboveU+00B8cedilla
U+0316combining grave accent belowbelowU+0060grave accent
U+0317combining acute accent belowbelowU+00B4acute accent
U+031Fcombining plus sign belowbelowU+002Bplus sign
U+0320combining minus sign belowbelowU+002Dhyphen-minus
U+0323combining dot belowbelowU+002Efull stop
U+0323combining dot belowbelowU+02D9dot above
U+0324combining diaeresis belowbelowU+00A8diaeresis
U+0327combining cedillabelowU+00B8cedilla
U+0328combining ogonekbelowU+02DBogonek
U+032Ccombining caron belowbelowU+02C7caron
U+032Dcombining circumflex accent belowbelowU+005Ecircumflex accent
U+032Ecombining breve belowbelowU+02D8breve
U+0330combining tilde belowbelowU+007Etilde
U+0330combining tilde belowbelowU+02DCsmall tilde
U+0332combining low linebelowU+002Dhyphen-minus
U+0332combining low linebelowU+005Flow line
U+0332combining low linebelowU+2212minus sign
U+0338combining long solidus overlayoverU+002Fsolidus
U+20D7combining right arrow aboveaboveU+2192rightwards arrow
U+20D7combining right arrow aboveaboveU+27F6long rightwards arrow
U+20EFcombining right arrow belowaboveU+2192rightwards arrow
U+20EFcombining right arrow belowaboveU+27F6long rightwards arrow
From 823e958b9c57f69f096a87666e0cb31c905958ff Mon Sep 17 00:00:00 2001 From: David Carlisle Date: Wed, 21 Jan 2026 16:20:26 +0000 Subject: [PATCH 2/3] delete duplicate table and add text description --- spec.html | 5 ++++ tables/combining-operators.html | 45 ++++++++++++++++++++++++++++++++- 2 files changed, 49 insertions(+), 1 deletion(-) diff --git a/spec.html b/spec.html index 7222d5d..870f660 100644 --- a/spec.html +++ b/spec.html @@ -5930,6 +5930,11 @@

Combining Character Equivalences

The following table gives mappings between spacing and non spacing characters when used in MathML accent constructs.

+

Current fonts for mathematics are inconsistent over which character + is provided and for which characters the OpenType MATH table + provides information to allow the construction of wide accents. + It is recommended that either character be accepted on input but if the current font only supports + horizontal constructions for the other character that that character is used in the layout.

diff --git a/tables/combining-operators.html b/tables/combining-operators.html index c581ea5..e7d2cce 100644 --- a/tables/combining-operators.html +++ b/tables/combining-operators.html @@ -1 +1,44 @@ -

Combining

Non CombiningStyleCombining
U+002Bplus signbelowU+031Fcombining plus sign below
U+002Dhyphen-minusaboveU+0305combining overline
U+002Dhyphen-minusbelowU+0320combining minus sign below
U+002Dhyphen-minusbelowU+0332combining low line
U+002Efull stopaboveU+0307combining dot above
U+002Efull stopbelowU+0323combining dot below
U+005Ecircumflex accentaboveU+0302combining circumflex accent
U+005Ecircumflex accentbelowU+032Dcombining circumflex accent below
U+005Flow linebelowU+0332combining low line
U+0060grave accentaboveU+0300combining grave accent
U+0060grave accentbelowU+0316combining grave accent below
U+007EtildeaboveU+0303combining tilde
U+007EtildebelowU+0330combining tilde below
U+00A8diaeresisaboveU+0308combining diaeresis
U+00A8diaeresisbelowU+0324combining diaeresis below
U+00AFmacronaboveU+0304combining macron
U+00AFmacronaboveU+0305combining overline
U+00B4acute accentaboveU+0301combining acute accent
U+00B4acute accentbelowU+0317combining acute accent below
U+00B8cedillabelowU+0327combining cedilla
U+02C6modifier letter circumflex accentaboveU+0302combining circumflex accent
U+02C7caronaboveU+030Ccombining caron
U+02C7caronbelowU+032Ccombining caron below
U+02D8breveaboveU+0306combining breve
U+02D8brevebelowU+032Ecombining breve below
U+02D9dot aboveaboveU+0307combining dot above
U+02D9dot abovebelowU+0323combining dot below
U+02DBogonekbelowU+0328combining ogonek
U+02DCsmall tildeaboveU+0303combining tilde
U+02DCsmall tildebelowU+0330combining tilde below
U+02DDdouble acute accentaboveU+030Bcombining double acute accent
U+203EoverlineaboveU+0305combining overline
U+2190leftwards arrowaboveU+20D6combining left arrow above
U+2192rightwards arrowaboveU+20D7combining right arrow above
U+2192rightwards arrowaboveU+20EFcombining right arrow below
U+2212minus signaboveU+0305combining overline
U+2212minus signbelowU+0332combining low line
U+27F6long rightwards arrowaboveU+20D7combining right arrow above
U+27F6long rightwards arrowaboveU+20EFcombining right arrow below

Non Combining

CombiningStyleNon Combining
U+0300combining grave accentaboveU+0060grave accent
U+0301combining acute accentaboveU+00B4acute accent
U+0302combining circumflex accentaboveU+005Ecircumflex accent
U+0302combining circumflex accentaboveU+02C6modifier letter circumflex accent
U+0303combining tildeaboveU+007Etilde
U+0303combining tildeaboveU+02DCsmall tilde
U+0304combining macronaboveU+00AFmacron
U+0305combining overlineaboveU+002Dhyphen-minus
U+0305combining overlineaboveU+00AFmacron
U+0305combining overlineaboveU+203Eoverline
U+0305combining overlineaboveU+2212minus sign
U+0306combining breveaboveU+02D8breve
U+0307combining dot aboveaboveU+002Efull stop
U+0307combining dot aboveaboveU+02D9dot above
U+0308combining diaeresisaboveU+00A8diaeresis
U+030Bcombining double acute accentaboveU+02DDdouble acute accent
U+030Ccombining caronaboveU+02C7caron
U+0312combining turned comma aboveaboveU+00B8cedilla
U+0316combining grave accent belowbelowU+0060grave accent
U+0317combining acute accent belowbelowU+00B4acute accent
U+031Fcombining plus sign belowbelowU+002Bplus sign
U+0320combining minus sign belowbelowU+002Dhyphen-minus
U+0323combining dot belowbelowU+002Efull stop
U+0323combining dot belowbelowU+02D9dot above
U+0324combining diaeresis belowbelowU+00A8diaeresis
U+0327combining cedillabelowU+00B8cedilla
U+0328combining ogonekbelowU+02DBogonek
U+032Ccombining caron belowbelowU+02C7caron
U+032Dcombining circumflex accent belowbelowU+005Ecircumflex accent
U+032Ecombining breve belowbelowU+02D8breve
U+0330combining tilde belowbelowU+007Etilde
U+0330combining tilde belowbelowU+02DCsmall tilde
U+0332combining low linebelowU+002Dhyphen-minus
U+0332combining low linebelowU+005Flow line
U+0332combining low linebelowU+2212minus sign
U+0338combining long solidus overlayoverU+002Fsolidus
U+20D7combining right arrow aboveaboveU+2192rightwards arrow
U+20D7combining right arrow aboveaboveU+27F6long rightwards arrow
U+20EFcombining right arrow belowaboveU+2192rightwards arrow
U+20EFcombining right arrow belowaboveU+27F6long rightwards arrow
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
StyleNon CombiningCombining
belowU+002Bplus signU+031Fcombining plus sign below
aboveU+002Dhyphen-minusU+0305combining overline
belowU+002Dhyphen-minusU+0320combining minus sign below
belowU+002Dhyphen-minusU+0332combining low line
aboveU+002Efull stopU+0307combining dot above
belowU+002Efull stopU+0323combining dot below
aboveU+005Ecircumflex accentU+0302combining circumflex accent
belowU+005Ecircumflex accentU+032Dcombining circumflex accent below
belowU+005Flow lineU+0332combining low line
aboveU+0060grave accentU+0300combining grave accent
belowU+0060grave accentU+0316combining grave accent below
aboveU+007EtildeU+0303combining tilde
belowU+007EtildeU+0330combining tilde below
aboveU+00A8diaeresisU+0308combining diaeresis
belowU+00A8diaeresisU+0324combining diaeresis below
aboveU+00AFmacronU+0304combining macron
aboveU+00AFmacronU+0305combining overline
aboveU+00B4acute accentU+0301combining acute accent
belowU+00B4acute accentU+0317combining acute accent below
belowU+00B8cedillaU+0327combining cedilla
aboveU+02C6modifier letter circumflex accentU+0302combining circumflex accent
aboveU+02C7caronU+030Ccombining caron
belowU+02C7caronU+032Ccombining caron below
aboveU+02D8breveU+0306combining breve
belowU+02D8breveU+032Ecombining breve below
aboveU+02D9dot aboveU+0307combining dot above
belowU+02D9dot aboveU+0323combining dot below
belowU+02DBogonekU+0328combining ogonek
aboveU+02DCsmall tildeU+0303combining tilde
belowU+02DCsmall tildeU+0330combining tilde below
aboveU+02DDdouble acute accentU+030Bcombining double acute accent
aboveU+203EoverlineU+0305combining overline
aboveU+2190leftwards arrowU+20D6combining left arrow above
aboveU+2192rightwards arrowU+20D7combining right arrow above
aboveU+2192rightwards arrowU+20EFcombining right arrow below
aboveU+2212minus signU+0305combining overline
belowU+2212minus signU+0332combining low line
aboveU+27F6long rightwards arrowU+20D7combining right arrow above
aboveU+27F6long rightwards arrowU+20EFcombining right arrow below
From c01dcb77fc9f34c95ec81e5242506161bd7a7f1f Mon Sep 17 00:00:00 2001 From: David Carlisle Date: Mon, 26 Jan 2026 23:57:30 +0000 Subject: [PATCH 3/3] delete extra paragraph for now --- spec.html | 5 ----- 1 file changed, 5 deletions(-) diff --git a/spec.html b/spec.html index 870f660..7222d5d 100644 --- a/spec.html +++ b/spec.html @@ -5930,11 +5930,6 @@

Combining Character Equivalences

The following table gives mappings between spacing and non spacing characters when used in MathML accent constructs.

-

Current fonts for mathematics are inconsistent over which character - is provided and for which characters the OpenType MATH table - provides information to allow the construction of wide accents. - It is recommended that either character be accepted on input but if the current font only supports - horizontal constructions for the other character that that character is used in the layout.