Update URLs in README
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Wilson Lin
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README.md
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README.md
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@ -35,13 +35,13 @@ Errors marked with a `⌫` can be suppressed using the [`--errorEx`](#--errorex)
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It's an error if an invalid HTML entity is detected.
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If suppressed, invalid entities are simply interpreted literally.
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See [entityrefs.c](src/main/c/rule/entityrefs.c) for the list of entity references considered valid by hyperbuild.
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See [entityrefs.c](src/main/c/rule/entity/entityrefs.c) for the list of entity references considered valid by hyperbuild.
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Valid entities that reference a Unicode code point must be between 0x0 and 0x10FFFF (inclusive).
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#### `EBADTAG` ⌫
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It's an error if an unknown (non-standard) tag is reached.
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See [tags.c](src/main/c/rule/tags.c) for the list of tags considered valid by hyperbuild.
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See [tags.c](src/main/c/rule/tag/tags.c) for the list of tags considered valid by hyperbuild.
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#### `EUCASETAG` ⌫
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@ -62,22 +62,22 @@ It's an error if a tag is declared where it can't be a child of.
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This is a very simple check, and does not cover the comprehensive HTML rules, as they involve backtracking, tree traversal, and lots of conditionals.
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This rule is enforced in four parts:
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[whitelistparents.c](src/main/c/rule/whitelistparents.c),
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[blacklistparents.c](src/main/c/rule/blacklistparents.c),
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[whitelistchildren.c](src/main/c/rule/whitelistchildren.c), and
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[blacklistchildren.c](src/main/c/rule/blacklistchildren.c).
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[whitelistparents.c](src/main/c/rule/relation/whitelistparents.c),
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[blacklistparents.c](src/main/c/rule/relation/blacklistparents.c),
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[whitelistchildren.c](src/main/c/rule/relation/whitelistchildren.c), and
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[blacklistchildren.c](src/main/c/rule/relation/blacklistchildren.c).
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#### `EUNCTAG`
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It's an error if a non-void tag is not closed.
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See [voidtags.c](src/main/c/rule/voidtags.c) for the list of tags considered void by hyperbuild.
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See [voidtags.c](src/main/c/rule/tag/voidtags.c) for the list of tags considered void by hyperbuild.
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This includes tags that close automatically because of siblings (e.g. `<li><li>`), as it greatly simplifies the complexity of the minifier due to guarantees about the structure.
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#### `ECLOSVOID`
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It's an error if a void tag is closed.
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See [voidtags.c](src/main/c/rule/voidtags.c) for the list of tags considered void by hyperbuild.
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See [voidtags.c](src/main/c/rule/tag/voidtags.c) for the list of tags considered void by hyperbuild.
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#### `ESELFCLOS`
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@ -157,6 +157,78 @@ Read, parse, process, and minify another file, and stream the result.
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## Minification
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### Theory
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#### Whitespace
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##### Beginning and end
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##### Between text and tags
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##### Contiguous
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##### Whole text
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#### Content
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##### Specific tags
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```html
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<title></title>
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<meta>
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<link>
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<table></table>
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<ul></ul>
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<ol></ol>
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<dl></dl>
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<hr>
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<br>
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```
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##### Formatting tags
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```html
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<strong> moat </strong>
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```
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##### Content tags
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```html
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<p>Some <strong>content</strong></p>
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```
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##### Content-first tags
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```html
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<li>Anthony</li>
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```
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```html
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<li>
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<div>
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</div>
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</li>
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```
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##### Sectioning tags
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```html
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<p>Some <strong>content</strong></p>
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```
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##### Overview
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|Type|Content|
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|---|---|
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|Formatting tags|Text nodes|
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|Content tags|Formatting tags, text nodes|
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|Sectioning tags|Sectioning tags, formatting tags|
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|Tag|Formatting|Content|Sectioning|
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|---|---|---|---|
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|`li`, `dd`|-|1|2|
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|`p`, `h1-6`|-|Y|-|
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### Options
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For options that have a list of tags as their values, the tags should be separated by a comma.
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@ -164,9 +236,11 @@ For brevity, hyperbuild has built-in sets of tags that can be used in place of d
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|Name|Tags|Description|
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|`$inline`|`a`, `abbr`, `b`, `bdi`, `bdo`, `cite`, `code`, `data`, `dfn`, `em`, `i`, `kbd`, `mark`, `q`, `rt`, `rtc`, `ruby`, `s`, `samp`, `small`, `span`, `strong`, `sub`, `sup`, `time`, `u`, `var`, `wbr`|Inline text semantics (see https://developer.mozilla.org/en-US/docs/Web/HTML/Element#Inline_text_semantics).
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|`$wss`|`pre`, `code`|Whitespace sensitive.|
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|`$content`|`p`, `h1`, `h2`, `h3`, `h4`, `h5`, `h6`|Content tags.|
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|`$formatting`|`a`, `abbr`, `b`, `bdi`, `bdo`, `cite`, `code`, `data`, `dfn`, `em`, `i`, `kbd`, `mark`, `q`, `rt`, `rtc`, `ruby`, `s`, `samp`, `small`, `span`, `strong`, `sub`, `sup`, `time`, `u`, `var`, `wbr`|Inline text semantics (see https://developer.mozilla.org/en-US/docs/Web/HTML/Element#Inline_text_semantics).|
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#### `--collapseWhitespaceEx pre,code`
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#### `--collapseWhitespaceEx $wss`
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Reduce a sequence of whitespace characters in text nodes to a single space (U+0020), unless they are a child of the tags specified by this option.
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@ -188,7 +262,7 @@ Reduce a sequence of whitespace characters in text nodes to a single space (U+00
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</table>
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#### `--destroyWholeWhitespaceEx pre,code,p,$inline`
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#### `--destroyWholeWhitespaceEx $wss,$content,$formatting`
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Remove any text nodes that only consist of whitespace characters, unless they are a child of the tags specified by this option.
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@ -214,7 +288,7 @@ Especially useful when using `display: inline-block` so that whitespace between
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</table>
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#### `--trimWhitespaceEx pre,code`
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#### `--trimWhitespaceEx $wss,$formatting`
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Remove any whitespace from the start and end of a tag, if the first and/or last node is a text node, unless the tag is one of the tags specified by this option.
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