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Changes On Branch markdown-header-ids
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Changes In Branch markdown-header-ids Excluding Merge-Ins

This is equivalent to a diff from 5590fb9e0f to 61186d2105

2019-12-16
13:50
Backed out [c903fbc39e] (addition of "header-") prefix after sleeping on what Warren brought up in forum post f244b452fccd460a0. Edit: closing based on discussion in http://fossil-scm.org/forum/forumpost/097eca7dd9 (summary: we should do it like pandoc does). ... (Closed-Leaf check-in: 61186d2105 user: stephan tags: markdown-header-ids)
2019-12-15
15:26
Added "heading-" prefix to generated IDs to help avoid accidental collisions with manually-added anchors. ... (check-in: c903fbc39e user: stephan tags: markdown-header-ids)
2019-12-13
20:56
If path given to /ext is a directory and it contains an index file (of the same names supported by the /doc path), render that index file. Edit: closing branch b/c Richard implemented the same thing in parallel in [3ed3fa3dda9c6d6f]. ... (Closed-Leaf check-in: f28cea2b43 user: stephan tags: ext-render-index)
18:57
Enhance the /ext page to search for "index.*" files if the pathname ends with "/" and is a directory name. ... (check-in: 3ed3fa3dda user: drh tags: trunk)
13:06
Markdown-to-HTML now adds automatically-generated ID attributes to the headers to facilitate creating intra-document links and hyperlinked tables of contents. The ID algorithm is simply to lower-case all ASCII alphanumeric characters in the header text. ... (check-in: 88eb24a9a5 user: stephan tags: markdown-header-ids)
06:06
Added webp mimetype, a pedantic constness tweak in the mimetype table, and a minor typo fix. ... (check-in: 5590fb9e0f user: stephan tags: trunk)
2019-12-11
12:43
Rename the CGI control file variable "debug:" to "cgi-debug:" and enhance it so that it shows the complete CGI environment at the start of each request. Also add documentation. ... (check-in: 4a7760e368 user: drh tags: trunk)

Changes to src/markdown_html.c.
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static void html_blockquote(struct Blob *ob, struct Blob *text, void *opaque){
  INTER_BLOCK(ob);
  BLOB_APPEND_LITERAL(ob, "<blockquote>\n");
  BLOB_APPEND_BLOB(ob, text);
  BLOB_APPEND_LITERAL(ob, "</blockquote>\n");
}



















static void html_header(
  struct Blob *ob,
  struct Blob *text,
  int level,
  void *opaque
){
  struct Blob *title = opaque;

  /* The first header at the beginning of a text is considered as
   * a title and not output. */
  if( blob_size(ob)<=PROLOG_SIZE && title!=0 && blob_size(title)==0 ){
    BLOB_APPEND_BLOB(title, text);
    return;
  }

  INTER_BLOCK(ob);



  blob_appendf(ob, "<h%d>", level);

  BLOB_APPEND_BLOB(ob, text);
  blob_appendf(ob, "</h%d>", level);

}

static void html_hrule(struct Blob *ob, void *opaque){
  INTER_BLOCK(ob);
  BLOB_APPEND_LITERAL(ob, "<hr />\n");
}








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static void html_blockquote(struct Blob *ob, struct Blob *text, void *opaque){
  INTER_BLOCK(ob);
  BLOB_APPEND_LITERAL(ob, "<blockquote>\n");
  BLOB_APPEND_BLOB(ob, text);
  BLOB_APPEND_LITERAL(ob, "</blockquote>\n");
}

/*
** For each byte of pIn which is an ASCII alphanumeric, its lowercase
** form is appended to pOut. The intent is to generate an automated
** HTML ID attribute from, e.g., header text, in particular an ID
** which a human could easily recreate "in their head" while writing a
** document, to facilitate the create of intra-document links.
*/
static void html_text_to_id(Blob const * pIn, Blob *pOut){
  int i;
  unsigned char const * z = (unsigned char const *)pIn->aData;
  for( i = 0; i < pIn->nUsed; ++i, ++z ){
    if(*z<128 && fossil_isalnum(*z)){
      char const Z = (char)fossil_tolower(*z);
      blob_append(pOut, &Z, 1);
    }
  }
}

static void html_header(
  struct Blob *ob,
  struct Blob *text,
  int level,
  void *opaque
){
  struct Blob *title = opaque;
  Blob bId = empty_blob;
  /* The first header at the beginning of a text is considered as
   * a title and not output. */
  if( blob_size(ob)<=PROLOG_SIZE && title!=0 && blob_size(title)==0 ){
    BLOB_APPEND_BLOB(title, text);
    return;
  }
  html_text_to_id(text, &bId);
  INTER_BLOCK(ob);
  if(bId.nUsed>0){
    blob_appendf(ob, "<h%d id=\"%b\">", level, &bId);
  }else{
    blob_appendf(ob, "<h%d>", level);
  }
  BLOB_APPEND_BLOB(ob, text);
  blob_appendf(ob, "</h%d>", level);
  blob_reset(&bId);
}

static void html_hrule(struct Blob *ob, void *opaque){
  INTER_BLOCK(ob);
  BLOB_APPEND_LITERAL(ob, "<hr />\n");
}