Merge pull request #397 from sim590/inexact-ft-match-syntax-hl

ftplugin: syntax highlighting for fts *markdown*

diff --git a/README.md b/README.md
index 982248e299a32b8aa4d6687ceb688e8b591e67f7..25b708786e66b8b917c820254b7df2417af6da4e 100644 (file)
--- a/README.md
+++ b/README.md
@@ -277,6 +277,14 @@ JSON syntax highlight requires [vim-json](https://github.com/elzr/vim-json).
 let g:vim_markdown_json_frontmatter = 1
 ```
 
+#### Strikethrough
+
+Strikethrough uses two tildes. `~~Scratch this.~~`
+
+```vim
+let g:vim_markdown_strikethrough = 1
+```
+
 ### Adjust new list item indent
 
 You can adjust a new list indent. For example, you insert a single line like below:

diff --git a/doc/vim-markdown.txt b/doc/vim-markdown.txt
index 29ed66ddc5f7940de3f647cd4b26a8a225ef488f..1e81ea2e7695d2f60b9e33cd7ca708036a756224 100644 (file)
--- a/doc/vim-markdown.txt
+++ b/doc/vim-markdown.txt
@@ -24,6 +24,7 @@ Contents ~
    2. YAML Front Matter                        |vim-markdown-yaml-front-matter|
    3. TOML Front Matter                        |vim-markdown-toml-front-matter|
    4. JSON Front Matter                        |vim-markdown-json-front-matter|
+   5. Strikethrough                                |vim-markdown-strikethrough|
   11. Adjust new list item indent    |vim-markdown-adjust-new-list-item-indent|
   12. Do not require .md extensions for Markdown links
                 |vim-markdown-do-not-require-.md-extensions-for-markdown-links|
@@ -318,6 +319,14 @@ JSON syntax highlight requires vim-json [9].
 >
   let g:vim_markdown_json_frontmatter = 1
 <
+-------------------------------------------------------------------------------
+                                                   *vim-markdown-strikethrough*
+Strikethrough ~
+
+Strikethrough uses two tildes. '~~Scratch this.~~'
+>
+  let g:vim_markdown_strikethrough = 1
+<
 -------------------------------------------------------------------------------
                                      *vim-markdown-adjust-new-list-item-indent*
 Adjust new list item indent ~

diff --git a/ftdetect/markdown.vim b/ftdetect/markdown.vim
index 611ecaa0d0cf8331ea4c6b8047f62657bb04a20a..07682da4cd5da623e60725215198c89f5bda7411 100644 (file)
--- a/ftdetect/markdown.vim
+++ b/ftdetect/markdown.vim
@@ -1,3 +1,8 @@
+if !has('patch-7.4.480')
+    " Before this patch, vim used modula2 for .md.
+    au! filetypedetect BufRead,BufNewFile *.md
+endif
+
 " markdown filetype file
-au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn} set filetype=markdown
-au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn}.{des3,des,bf,bfa,aes,idea,cast,rc2,rc4,rc5,desx} set filetype=markdown
+au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn} setfiletype markdown
+au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn}.{des3,des,bf,bfa,aes,idea,cast,rc2,rc4,rc5,desx} setfiletype markdown

diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim
index 2c83000e43f06737ae4e220eb7b64c9b8471289b..989aef83bd356bd2129c6297d7be44744cd104a5 100644 (file)
--- a/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@ -734,7 +734,7 @@ function! s:MarkdownHighlightSources(force)
                 let include = '@' . toupper(filetype)
             endif
             let command = 'syntax region %s matchgroup=%s start="^\s*```\s*%s$" matchgroup=%s end="\s*```$" keepend contains=%s%s'
-            execute printf(command, group, startgroup, ft, endgroup, include, has('conceal') && get(g:, 'vim_markdown_conceal', 1) ? ' concealends' : '')
+            execute printf(command, group, startgroup, ft, endgroup, include, has('conceal') && get(g:, 'vim_markdown_conceal', 1) && get(g:, 'vim_markdown_conceal_code_blocks', 1) ? ' concealends' : '')
             execute printf('syntax cluster mkdNonListItem add=%s', group)
 
             let b:mkd_known_filetypes[ft] = 1

diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index 5056af482dd7692b29cd35d05fcf4928e1a61601..d0077a4134843381d61ebbdf46202ae3d518e290 100644 (file)
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -36,10 +36,14 @@ syn sync linebreaks=1
 
 let s:conceal = ''
 let s:concealends = ''
+let s:concealcode = ''
 if has('conceal') && get(g:, 'vim_markdown_conceal', 1)
   let s:conceal = ' conceal'
   let s:concealends = ' concealends'
 endif
+if has('conceal') && get(g:, 'vim_markdown_conceal_code_blocks', 1)
+  let s:concealcode = ' concealends'
+endif
 
 " additions to HTML groups
 if get(g:, 'vim_markdown_emphasis_multiline', 1)
@@ -94,13 +98,13 @@ syn match  htmlH2       /^.\+\n-\+$/ contains=mkdLink,mkdInlineURL,@Spell
 "define Markdown groups
 syn match  mkdLineBreak    /  \+$/
 syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLink,mkdInlineURL,mkdLineBreak,@Spell
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!`/                     end=/\(\([^\\]\|^\)\\\)\@<!`/'  . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!``/ skip=/[^`]`[^`]/   end=/\(\([^\\]\|^\)\\\)\@<!``/' . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(`\{3,}\)[^`]*$/                       end=/^\s*\z1`*\s*$/'            . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!\~\~/  end=/\(\([^\\]\|^\)\\\)\@<!\~\~/'               . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/      end=/^\s*\z1\~*\s*$/'           . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<pre[^>]*\\\@<!>"                            end="</pre>"'                   . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<code[^>]*\\\@<!>"                           end="</code>"'                  . s:concealends
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!`/                     end=/`/'  . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!``/ skip=/[^`]`[^`]/   end=/\(\([^\\]\|^\)\\\)\@<!``/' . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(`\{3,}\)[^`]*$/                       end=/^\s*\z1`*\s*$/'            . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!\~\~/  end=/\(\([^\\]\|^\)\\\)\@<!\~\~/'               . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/      end=/^\s*\z1\~*\s*$/'           . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<pre[^>]*\\\@<!>"                            end="</pre>"'                   . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<code[^>]*\\\@<!>"                           end="</code>"'                  . s:concealcode
 syn region mkdFootnote     start="\[^"                     end="\]"
 syn match  mkdCode         /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
 syn match  mkdCode         /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
@@ -145,6 +149,12 @@ if get(g:, 'vim_markdown_math', 0)
   syn region mkdMath start="\\\@<!\$\$" end="\$\$" skip="\\\$" contains=@tex keepend
 endif
 
+" Strike through
+if get(g:, 'vim_markdown_strikethrough', 0)
+    syn region mkdStrike matchgroup=mkdStrike start="\%(\~\~\)"    end="\%(\~\~\)"
+    HtmlHiLink mkdStrike        htmlStrike
+endif
+
 syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
 
 "highlighting for Markdown groups

diff --git a/test/syntax.vader b/test/syntax.vader
index fdf9c0be4dac25a3babd4ab3bbb9c8d52482aca2..3baa41f61980468b9bb45f5ad5ed211b707e7d14 100644 (file)
--- a/test/syntax.vader
+++ b/test/syntax.vader
@@ -882,6 +882,23 @@ a
 Execute (not code block in escaped code tag):
   AssertNotEqual SyntaxOf('a'), 'mkdCode'
 
+# Code quotes
+
+Given markdown;
+`a`
+
+Execute (code in code quotes):
+  AssertEqual SyntaxOf('a'), 'mkdCode'
+
+Given markdown;
+`a\` b `c\` d
+
+Execute (code quotes not escaped ending with backslash):
+  AssertEqual SyntaxOf('a\'), 'mkdCode'
+  AssertNotEqual SyntaxOf('b'), 'mkdCode'
+  AssertEqual SyntaxOf('c\'), 'mkdCode'
+  AssertNotEqual SyntaxOf('d'), 'mkdCode'
+
 # Math
 
 Given markdown;