"tidy" is reporting a bunch of minor HTML5 issues in a couple of hand-written java.awt doc-files.

build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:255:20: Warning: <tr> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:256:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:257:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:258:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:259:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:260:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:262:13: Warning: <tr> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:263:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:264:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:265:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:266:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:267:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:269:13: Warning: <tr> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:270:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:271:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:272:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:273:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:274:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:276:13: Warning: <tr> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:277:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:278:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:279:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:280:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:281:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:283:13: Warning: <tr> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:284:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:285:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:286:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:287:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:288:15: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:426:9: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:437:9: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:443:9: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:456:9: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:462:9: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:478:9: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:484:9: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/Modality.html:500:9: Warning: <td> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/DesktopProperties.html:105:1: Warning: The summary attribute on the <table> element is obsolete in HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/DesktopProperties.html:105:1: Warning: <table> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/DesktopProperties.html:107:1: Warning: <th> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/DesktopProperties.html:108:1: Warning: <th> attribute "align" not allowed for HTML5
build/linux-x86_64-server-release/images/docs/./api/java.desktop/java/awt/doc-files/DesktopProperties.html:109:1: Warning: <th> attribute "align" not allowed for HTML5