Squashed 'cgilite/' changes from 970afda..397847d

Squashed 'cgilite/' changes from 970afda..397847d

397847d offer invitation links if email is not required
9c46b3c Bugfix: use HTML() escapes in most links instead of double escaping via URL()
a48f202 bugfix: accidental regex range
6c55826 allow dashes in metadata names
58aab92 awk port of some cgilite functions
d7b1281 bugfix: incorrect call of `DB2 "" new`
426dac5 fix auto detection of sender address
0591b08 Bugfix: faulty email address check
e7fcaf2 json export function
e1c0b4b more consistent db2/json structure and jpath selector
0a8a851 get json values via jpath
b8a4246 read json data into recursive DB2 structure
6ab6900 more reliable include path
8f729b0 db23 - simple in-memory key-value DB api
51f6906 updated copyright notices
04871f7 bugfix: faulty validation in user_update made pw change impossible
3a4544b Fix broken range requests when running in dash
bfef1a0 allow autocomplete in login form
0f62500 avoid overflow of long links
9e5394e typo
a004238 do not require class=search for input of type=search
fb015c8 allow link/image src pattern with whitespace, avoid confusion with comment
1e12e80 force ALT-text for images
41642aa link and image syntax allowing whitespace URLs, repace use of non-posix gensub()
31cfd89 change order of precedence (HTML binds more than link brackets)
880ed14 css: avoid search button overflow, always center h1
211f2ee export _DATE variable
b846014 bugfix: recognize center and left aligned pipe tables
8928c6e independent macro extension
4c361b1 allow bullet symbol as list marker (for copy/paste from office documents)
4ee910d bugfix: do not accidentally start list blocks at second order
8e5ffff bugfix: do not consume multiple paragraphs in list start
3055b17 LICENSE CHANGE: CGIlite is now under ISC License!
d4da2a5 bugfix: endless loop in _startlist because of lacking indention removal
fc3451c discriminate between different list markers
8822843 unified list code
8e79399 allow block lists (again)
cc08744 reduce use of non-posix gensub
3d2d975 simpler block nesting, fix: h2 after paragraph
ca22f37 fix: block nesting in lists
1f4a5e2 fix: task list unsure
fc47d5d improved lists
0d64190 style for definition lists, adjusted list padding
0c5f738 style for line-block
887a68a tidy up variable declarations, remove additional line break after headline
ae55f6f introducing definition lists!
1cf0dab markdown: avoid adding newlines to blockquote, css: style for blockquote
854547d headline atttributes
b4a3f6a heading text in id
33570b0 block level prefix to avoid repeating headline IDs
516bc32 nesting of <section> in block elements
925f042 unified headline function
9b2f590 bugfix do not escape # character in link references
d45722a Omit link IDs in nested headings, to prevent ambiguous IDs
e6442fb EXPERIMENTAL: <section> wrapping for Headlines
d0b1c70 bugfix: HEX_DECODE for prefixes looking like shell patterns
8ce6dce bugfix: do not accidentally strip white spaces from code spans
c4ba9cc Include backtick (`) in URL escape handling
d61539c bugfix: prevent endless loop in HEX_DECODE, copy non-hex-digits unchanged
8fd595c translatable user dialogs
30435ff list padding, to prevent bullets floating into elements to the left
628929d Security: put backslash-escaped characters through HTML escaping
2ea88f7 Compatibility: Grid Tables section now compatible with posix/busybox awk
0f8f663 performance: avoid process forking
d45e2c8 wiki style links: portability regex fix
fa6be3f Allow headerless grid tables
f9f5356 allow empty alt text in images
019a9ea Extension: Arrows
01dadd7 enable block element Macros
697a1bb extesion: introduce <figure>-wrapped images as block elements
a8a5ea5 bugfix: enable image links
ffe17ca W3C Validator compliance: introduce separate function for escaping URL references, omit superfluous trailing slashes (e.g. in <br />)

git-subtree-dir: cgilite
git-subtree-split: 397847dd01a44b7a5a26b6c6d16a61a42079a542