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Author SHA1 Message Date
Abimael MartellandClaude Fable 5 7467f842a5 feat(site): refresh benchmark with current main numbers
pdf-inspector row updated from a fresh run on latest main: overall
0.78→0.83, tables 0.59→0.66, headings 0.57→0.74. Now within 0.01 of
opendataloader overall, best tables of the group, headings on par.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 00:45:07 -07:00
Abimael MartellandClaude Fable 5 740488d875 feat(site): add Firecrawl branding (flame mark + wordmark)
Firecrawl flame mark anchors the hosted-parse card; charcoal wordmark
in the footer credit. Brand SVGs referenced as-is (exact colors).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 00:15:41 -07:00
Abimael MartellandClaude Fable 5 0b894b7d3f feat(site): add Firecrawl Parse upsell to closing section
Replace the single CTA with a two-path split: run pdf-inspector locally
(OSS) vs. hand scanned/OCR/at-scale documents to Firecrawl Parse
(hosted). Links the OSS library back to the paid product for the cases
local parsing can't cover.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 00:11:59 -07:00
Abimael MartellandClaude Fable 5 ebc2f05bcd feat(site): add GitHub Pages landing page
Self-contained landing page (single index.html, no build step) plus a
Pages deploy workflow that publishes site/ on push to main. Covers the
pitch, install commands for all three registries, feature grid,
benchmark, and tabbed quick-start for Rust/Python/Node/CLI.

Benchmark numbers mirror the README's current published table; both
should be refreshed together in a follow-up.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 00:04:26 -07:00
8 changed files with 16 additions and 392 deletions
+4 -4
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@@ -26,16 +26,16 @@ Evaluated on the [opendataloader-bench](https://github.com/opendataloader-projec
| Engine | Overall | Reading Order (NID) | Tables (TEDS) | Headings (MHS) | Speed (200 docs) |
|---|---|---|---|---|---|
| pdf-inspector | 0.83 | 0.88 | 0.66 | 0.74 | 4s |
| pdf-inspector | 0.78 | 0.87 | 0.59 | 0.57 | 4s |
| opendataloader | 0.84 | 0.91 | 0.49 | 0.74 | 11s |
| pymupdf4llm | 0.73 | 0.89 | 0.40 | 0.41 | 18s |
| markitdown | 0.58 | 0.88 | 0.00 | 0.00 | 8s |
For context, engines that use OCR/ML (docling, marker, mineru) score 0.83-0.88 overall but take 2-180 minutes on the same corpus — pdf-inspector reaches the low end of that range without any OCR, in 4 seconds.
For context, engines that use OCR/ML (docling, marker, mineru) score 0.83-0.88 overall but take 2-180 minutes on the same corpus.
**Where we do well:** Speed (fastest of all engines), the best table detection of any engine shown, and heading detection now on par with opendataloader. Overall lands within 0.01 of opendataloader at roughly 2.5× the speed.
**Where we do well:** Speed (fastest of all engines), reading order, table detection vs other direct-text tools.
**Where we lag:** Reading order still trails opendataloader slightly, and table structure trails OCR-based engines that can see visual layout.
**Where we lag:** Heading detection trails opendataloader — many PDFs use bold text at body font size for headings, or headings that are only slightly larger than body text. Table detection trails OCR-based engines that can see visual table structure.
## Quick start
+1 -1
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@@ -1,6 +1,6 @@
{
"name": "@firecrawl/pdf-inspector",
"version": "1.10.1",
"version": "1.10.0",
"description": "Fast PDF classification and text extraction. Detect text-based vs scanned PDFs, extract text by region with quality checks. Native Rust performance via napi-rs.",
"main": "index.js",
"types": "index.d.ts",
-12
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@@ -208,7 +208,6 @@ fn main() {
eprintln!(" --raw Output only markdown (no headers)");
eprintln!(" --pages Insert page break markers (<!-- Page N -->)");
eprintln!(" --select-pages N Only process specified pages (e.g. 1,3,5-10)");
eprintln!(" --password PW Password for an encrypted PDF");
eprintln!(" --detect-only Only detect PDF type (no extraction)");
eprintln!(" --analyze Detect + extract + layout analysis (no markdown)");
process::exit(1);
@@ -222,16 +221,6 @@ fn main() {
let detect_only = args.iter().any(|a| a == "--detect-only");
let analyze = args.iter().any(|a| a == "--analyze");
// Parse --password value
let password = args.iter().position(|a| a == "--password").map(|i| {
args.get(i + 1)
.unwrap_or_else(|| {
eprintln!("Error: --password requires a value");
process::exit(1);
})
.clone()
});
// Parse --select-pages value
let page_filter = args
.iter()
@@ -280,7 +269,6 @@ fn main() {
if let Some(pages) = page_filter {
options.page_filter = Some(pages);
}
options.password = password;
match process_pdf_with_options(pdf_path, options) {
Ok(result) => {
+2 -245
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@@ -9,7 +9,7 @@ mod links;
pub(crate) mod underline;
mod xobjects;
use crate::text_utils::{is_cjk_char, is_rtl_text};
use crate::text_utils::is_rtl_text;
use crate::tounicode::FontCMaps;
use crate::types::{PageExtraction, PdfLine, PdfRect, TextItem};
use crate::PdfError;
@@ -527,136 +527,6 @@ fn should_preserve_overlapping_stream_order(group: &[&TextItem]) -> bool {
saw_backtrack
}
/// Detect a tracked (letter-spaced) run of single-glyph items and derive its
/// run-local space floor.
///
/// Display type set with tracking renders one glyph per show op; the merge
/// loop's fixed thresholds (0.08-0.13 em) then read every letter gap as a
/// word boundary and emit "H O W" instead of "HOW". Within such a run the
/// gaps carry the real signal: letter gaps cluster tightly just above the
/// fixed threshold, word gaps sit clearly higher. Returns (run_end_index,
/// space_floor) when the run starting at `start` is tracked — spaces are
/// then inserted only at gaps above the floor (infinity = single word).
/// Normal text (multi-char items, or single-char runs with sub-threshold
/// gaps) returns None and keeps the existing behavior.
/// Han/Kana scripts write without inter-word spaces. Hangul (Korean) DOES
/// space between words and deliberately stays out of this set — a Korean
/// tracked run keeps normal word-boundary handling.
fn is_spaceless_cjk(c: char) -> bool {
matches!(c,
'\u{3000}'..='\u{303F}' // CJK Symbols and Punctuation
| '\u{3040}'..='\u{309F}' // Hiragana
| '\u{30A0}'..='\u{30FF}' // Katakana
| '\u{4E00}'..='\u{9FFF}' // CJK Unified Ideographs
| '\u{F900}'..='\u{FAFF}' // CJK Compatibility Ideographs
| '\u{FF00}'..='\u{FFEF}' // Halfwidth and Fullwidth Forms
)
}
fn tracked_run_space_floor(group: &[&TextItem], start: usize) -> Option<(usize, f32)> {
const MIN_GAPS: usize = 4;
let first = group[start];
if first.text.trim().chars().count() != 1 {
return None;
}
let fs = first.font_size;
if fs <= 0.0 {
return None;
}
// Walk the run under the SAME break conditions as the merge loop
// (size band, style equality, mergeable gap) so indices stay aligned.
let mut gaps: Vec<f32> = Vec::new();
let mut end_x = first.x + effective_merge_width(first);
let mut end = start;
for (offset, next) in group[start + 1..].iter().enumerate() {
if next.text.trim().chars().count() != 1 {
break;
}
if (next.font_size - fs).abs() > fs * 0.20 {
break;
}
if next.is_bold != first.is_bold
|| next.is_italic != first.is_italic
|| next.is_underline != first.is_underline
|| next.is_strikeout != first.is_strikeout
{
break;
}
let gap = next.x - end_x;
if gap > fs * 0.5 || gap < -fs * 0.5 {
break;
}
gaps.push(gap / fs);
end_x = next.x + effective_merge_width(next);
end = start + 1 + offset;
}
if gaps.len() < 2 {
return None;
}
// Tracked signature: the run's TYPICAL gap clears the fixed space
// threshold (0.08) — the merge loop would break almost every letter
// pair into "words". Short runs (2-3 gaps: "H O W") demand a stricter
// shape — clearly wide, uniform, ALL-CAPS — because a genuine spaced
// sequence of single letters ("x y z" variables) has the same gap
// count; display tracking is a caps convention.
let mut sorted = gaps.clone();
sorted.sort_by(|a, b| a.total_cmp(b));
let median = sorted[sorted.len() / 2];
// Typographic convention gate, both tiers: display tracking is an
// all-caps convention, and Han/Kana never space between glyphs. Mixed-
// or lowercase Latin runs keep their boundaries because geometry alone
// cannot distinguish spaced singles ("A b c d e") from a tracked
// title-case word ("B u f f a l o").
let run_chars = || {
group[start..=end]
.iter()
.flat_map(|it| it.text.trim().chars())
};
let spaceless_cjk = run_chars().all(|c| is_spaceless_cjk(c) || !c.is_alphanumeric())
&& run_chars().any(is_spaceless_cjk);
let all_caps = run_chars().all(|c| c.is_uppercase() || is_cjk_char(c) || !c.is_alphabetic());
if !(spaceless_cjk || all_caps) {
return None;
}
if gaps.len() >= MIN_GAPS {
if median <= 0.075 {
return None;
}
} else {
let uniform = sorted[sorted.len() - 1] <= sorted[0].max(0.01) * 1.4;
if median < 0.09 || !uniform {
return None;
}
}
// Han/Kana: no inter-glyph spaces, period — a nonuniform gap
// distribution (punctuation spacing, justification) must not
// manufacture word boundaries.
if spaceless_cjk {
return Some((end, f32::INFINITY));
}
// Word gaps, if present, form a second mode above the letter-gap
// cluster: split at the largest relative jump. Unimodal → one word.
let mut best_jump = 1.0f32;
let mut floor = f32::INFINITY;
for pair in sorted.windows(2) {
let (lo, hi) = (pair[0].max(0.01), pair[1].max(0.01));
let jump = hi / lo;
if jump > best_jump {
best_jump = jump;
floor = (lo + hi) / 2.0;
}
}
if best_jump < 1.4 {
floor = f32::INFINITY;
}
Some((end, floor * fs))
}
pub(crate) fn merge_text_items(items: Vec<TextItem>) -> Vec<TextItem> {
if items.is_empty() {
return items;
@@ -704,14 +574,6 @@ pub(crate) fn merge_text_items(items: Vec<TextItem>) -> Vec<TextItem> {
let mut text = first.text.clone();
let mut end_x = first.x + effective_merge_width(first);
// Tracked display text: run-local space floor overrides the
// fixed thresholds for this run's junctions (see helper).
let tracked = if *preserve_stream_order {
None
} else {
tracked_run_space_floor(group, i)
};
let mut j = i + 1;
while j < group.len() {
let next = group[j];
@@ -766,11 +628,7 @@ pub(crate) fn merge_text_items(items: Vec<TextItem>) -> Vec<TextItem> {
let needs_bullet_space = *preserve_stream_order
&& is_standalone_bullet_text(&text)
&& !next.text.trim().is_empty();
let effective_threshold = match tracked {
Some((run_end, floor)) if j <= run_end => floor,
_ => threshold,
};
if needs_bullet_space || gap > effective_threshold {
if needs_bullet_space || gap > threshold {
text.push(' ');
}
text.push_str(&next.text);
@@ -936,107 +794,6 @@ mod tests {
use crate::types::{ItemType, PdfLine, TextLine};
use layout::{detect_columns, is_newspaper_layout, ColumnRegion};
/// Glyph-per-item run at `fs`=12 with the given inter-glyph gap (pt).
fn glyph_run(chars: &str, start_x: f32, glyph_w: f32, gap: f32) -> Vec<TextItem> {
let mut x = start_x;
let mut out = Vec::new();
for c in chars.chars() {
out.push(make_merge_item(&c.to_string(), x, glyph_w));
x += glyph_w + gap;
}
out
}
#[test]
fn tracked_caps_run_collapses_to_word() {
// Display tracking: every letter gap (0.19 em) clears the fixed
// space threshold — without the run-local floor this reads "H O W".
let items = glyph_run("HOW", 100.0, 10.0, 2.3);
let merged = merge_text_items(items);
assert_eq!(merged.len(), 1);
assert_eq!(merged[0].text, "HOW");
}
#[test]
fn tracked_run_keeps_word_gaps_bimodal() {
// Letters at 0.19 em, word gaps at 0.42 em (below the 0.5 em item
// break): the split must land between the modes. Needs >=4 gaps to
// enter the bimodal tier — short runs use the strict uniform gate.
let mut items = glyph_run("ITISOK", 100.0, 8.0, 2.3);
for i in 2..6 {
items[i].x += 2.8; // word gap at T|I
}
for i in 4..6 {
items[i].x += 2.8; // word gap at S|O
}
let merged = merge_text_items(items);
assert_eq!(merged.len(), 1);
assert_eq!(merged[0].text, "IT IS OK");
}
#[test]
fn lowercase_spaced_singles_stay_words() {
// "x y z" variables: same gap shape but lowercase — the short-run
// caps requirement keeps genuine spaced singles apart.
let items = glyph_run("xyz", 100.0, 6.0, 2.3);
let merged = merge_text_items(items);
assert_eq!(merged.len(), 1);
assert_eq!(merged[0].text, "x y z");
}
#[test]
fn kerned_singles_unaffected() {
// Tiny kerning gaps never triggered spaces before and still don't.
let items = glyph_run("WORD", 100.0, 8.0, 0.3);
let merged = merge_text_items(items);
assert_eq!(merged.len(), 1);
assert_eq!(merged[0].text, "WORD");
}
#[test]
fn long_lowercase_spaced_singles_keep_boundaries() {
// Review: a 5+ single-letter lowercase list has the tracked gap
// shape at any length — the convention gate must protect it in
// the >=4-gap tier too.
let items = glyph_run("abcde", 100.0, 6.0, 2.3);
let merged = merge_text_items(items);
assert_eq!(merged.len(), 1);
assert_eq!(merged[0].text, "a b c d e");
}
#[test]
fn han_run_with_nonuniform_gaps_never_gains_spaces() {
// Review: a bimodal gap distribution (justification, punctuation
// spacing) must not manufacture word boundaries in Han text.
let mut items = glyph_run("北京时事快报", 100.0, 12.0, 1.4);
for item in items.iter_mut().skip(3) {
item.x += 3.0; // wide gap after the third glyph
}
let merged = merge_text_items(items);
assert_eq!(merged.len(), 1);
assert_eq!(merged[0].text, "北京时事快报");
}
#[test]
fn uppercase_leading_spaced_singles_keep_boundaries() {
// "A b c d e" is indistinguishable from a title-case tracked word
// without reliable tracking metadata, so preserve its boundaries.
let items = glyph_run("Abcde", 100.0, 7.0, 2.3);
let merged = merge_text_items(items);
assert_eq!(merged.len(), 1);
assert_eq!(merged[0].text, "A b c d e");
}
#[test]
fn cjk_glyph_run_collapses_without_spaces() {
// CJK sets one glyph per item with loose gaps; CJK uses no spaces,
// and the non-alphabetic run passes the caps gate.
let items = glyph_run("北京时事", 100.0, 12.0, 1.4);
let merged = merge_text_items(items);
assert_eq!(merged.len(), 1);
assert_eq!(merged[0].text, "北京时事");
}
fn make_merge_item(text: &str, x: f32, width: f32) -> TextItem {
TextItem {
text: text.into(),
+9 -69
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@@ -125,7 +125,7 @@ pub struct PdfProcessResult {
/// .mode(ProcessMode::Analyze)
/// .pages([1, 3, 5]);
/// ```
#[derive(Clone)]
#[derive(Debug, Clone)]
pub struct PdfOptions {
/// How far the pipeline should run (default: [`ProcessMode::Full`]).
pub mode: ProcessMode,
@@ -135,23 +135,6 @@ pub struct PdfOptions {
pub markdown: MarkdownOptions,
/// Optional set of 1-indexed pages to process. `None` = all pages.
pub page_filter: Option<HashSet<u32>>,
/// Password for decrypting an encrypted PDF. `None` falls back to the
/// empty password (owner-only encryption).
pub password: Option<String>,
}
// Manual `Debug` so the password is never leaked through debug logging or a
// panic that formats the options; it renders as `Some("[REDACTED]")`.
impl std::fmt::Debug for PdfOptions {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("PdfOptions")
.field("mode", &self.mode)
.field("detection", &self.detection)
.field("markdown", &self.markdown)
.field("page_filter", &self.page_filter)
.field("password", &self.password.as_ref().map(|_| "[REDACTED]"))
.finish()
}
}
impl Default for PdfOptions {
@@ -161,7 +144,6 @@ impl Default for PdfOptions {
detection: DetectionConfig::default(),
markdown: MarkdownOptions::default(),
page_filter: None,
password: None,
}
}
}
@@ -203,12 +185,6 @@ impl PdfOptions {
self.page_filter = Some(pages.into_iter().collect());
self
}
/// Set the password used to decrypt an encrypted PDF.
pub fn password(mut self, password: impl Into<String>) -> Self {
self.password = Some(password.into());
self
}
}
// =========================================================================
@@ -241,8 +217,7 @@ pub fn process_pdf_with_options<P: AsRef<Path>>(
validate_pdf_file(&path)?;
// Load the document once — shared by detection AND extraction.
let (doc, page_count) =
load_document_from_path_with_password(&path, options.password.as_deref())?;
let (doc, page_count) = load_document_from_path(&path)?;
process_document(doc, page_count, options, start)
}
@@ -267,8 +242,7 @@ pub fn process_pdf_mem_with_options(
let start = std::time::Instant::now();
validate_pdf_bytes(buffer)?;
let (doc, page_count) =
load_document_from_mem_with_password(buffer, options.password.as_deref())?;
let (doc, page_count) = load_document_from_mem(buffer)?;
process_document(doc, page_count, options, start)
}
@@ -3293,40 +3267,24 @@ fn tsr_region_contains_item(item: &TextItem, bounds: RegionBounds) -> bool {
/// page count from it directly to avoid the metadata-only round-trip.
pub(crate) fn load_document_from_path<P: AsRef<Path>>(
path: P,
) -> Result<(Document, u32), PdfError> {
load_document_from_path_with_password(path, None)
}
/// Load a PDF file, decrypting with `password` if the file is encrypted.
pub(crate) fn load_document_from_path_with_password<P: AsRef<Path>>(
path: P,
password: Option<&str>,
) -> Result<(Document, u32), PdfError> {
let buffer = std::fs::read(&path)?;
load_document_from_mem_with_password(&buffer, password)
load_document_from_mem(&buffer)
}
/// Load a PDF from a memory buffer.
pub(crate) fn load_document_from_mem(buffer: &[u8]) -> Result<(Document, u32), PdfError> {
load_document_from_mem_with_password(buffer, None)
}
/// Load a PDF from a memory buffer, decrypting with `password` if encrypted.
pub(crate) fn load_document_from_mem_with_password(
buffer: &[u8],
password: Option<&str>,
) -> Result<(Document, u32), PdfError> {
// Fix malformed struct element names before parsing. Some PDF generators
// write bare names (/S Code) instead of proper PDF names (/S /Code), which
// causes lopdf to silently drop the entire object.
let fixed = structure_tree::fix_bare_struct_names(buffer);
let buf = fixed.as_ref();
let doc = match load_document_bytes(buf, password) {
let doc = match load_document_bytes(buf) {
Ok(doc) => doc,
Err(first_err) => {
for repaired in repair_pdf_container_candidates(buf) {
match load_document_bytes(&repaired, password) {
match load_document_bytes(&repaired) {
Ok(doc) => {
log::debug!("loaded PDF after repairing malformed container bytes");
let page_count = doc.get_pages().len() as u32;
@@ -3346,31 +3304,13 @@ pub(crate) fn load_document_from_mem_with_password(
Ok((doc, page_count))
}
fn load_document_bytes(buf: &[u8], password: Option<&str>) -> Result<Document, lopdf::Error> {
fn load_document_bytes(buf: &[u8]) -> Result<Document, lopdf::Error> {
match Document::load_mem(buf) {
// Some encrypted PDFs load structurally but leave their streams
// encrypted (`is_encrypted()` stays true); reading them yields garbage
// until we re-load with a password. Others fail load_mem outright with
// an encryption error. Handle both by re-loading with the password.
Ok(doc) if doc.is_encrypted() => decrypt_document_bytes(buf, password),
Ok(doc) => Ok(doc),
Err(ref e) if is_encrypted_lopdf_error(e) => decrypt_document_bytes(buf, password),
Err(e) => Err(e),
}
}
/// Re-load an encrypted PDF, decrypting with `password`. Falls back to the
/// empty password (owner-only encryption, the common "protected" case) when a
/// non-empty password was supplied but rejected.
fn decrypt_document_bytes(buf: &[u8], password: Option<&str>) -> Result<Document, lopdf::Error> {
let pw = password.unwrap_or("");
match Document::load_mem_with_options(buf, lopdf::LoadOptions::with_password(pw)) {
Ok(doc) => Ok(doc),
Err(inner) if !pw.is_empty() => {
Err(ref e) if is_encrypted_lopdf_error(e) => {
Document::load_mem_with_options(buf, lopdf::LoadOptions::with_password(""))
.map_err(|_| inner)
}
Err(inner) => Err(inner),
Err(e) => Err(e),
}
}
-19
View File
@@ -174,21 +174,6 @@ pub(crate) fn is_toc_marker_heading(text: &str) -> bool {
pub(crate) fn is_heading_fragment(text: &str) -> bool {
let t = text.trim_end();
// A lowercase-initial one-or-two-word "heading" is a mid-sentence
// fragment beside display math ("or inversely", "and therefore") —
// real headings that short start uppercase. Measured as spurious
// headings on academic docs (fire-pdf ENG-5029 / opendataloader MHS).
{
let words: Vec<&str> = t.split_whitespace().collect();
if words.len() <= 2 {
if let Some(first_alpha) = t.chars().find(|c| c.is_alphabetic()) {
if first_alpha.is_lowercase() {
return true;
}
}
}
}
fn is_equation_number(s: &str) -> bool {
s.strip_prefix('(')
.and_then(|r| r.strip_suffix(')'))
@@ -475,10 +460,6 @@ mod tests {
#[test]
fn heading_fragments() {
// Equation lead-ins: colon ending + inline equation reference
assert!(is_heading_fragment("or inversely"));
assert!(is_heading_fragment("and therefore"));
assert!(!is_heading_fragment("Introduction"));
assert!(!is_heading_fragment("iPhone Sales Strategy Overview")); // 4 words, exempt
assert!(is_heading_fragment("Rearranging Equation (8) gives:"));
// Display-equation neighbours ending in an equation number
assert!(is_heading_fragment("S = kB ln W, (2)"));
Binary file not shown.
-42
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@@ -3606,45 +3606,3 @@ fn test_markdown_options_default_has_include_images_false() {
let opts = MarkdownOptions::default();
assert!(!opts.include_images);
}
#[test]
fn encrypted_pdf_decrypts_with_correct_password() {
let path = "tests/fixtures/encrypted-secret123.pdf";
// No password: the file is encrypted and can't be read.
let no_pw = process_pdf_with_options(path, PdfOptions::new());
assert!(
matches!(no_pw, Err(PdfError::Encrypted)),
"expected Encrypted without a password, got {no_pw:?}"
);
// Wrong password: still rejected.
let wrong = process_pdf_with_options(path, PdfOptions::new().password("wrong"));
assert!(
matches!(wrong, Err(PdfError::Encrypted)),
"expected Encrypted with a wrong password, got {wrong:?}"
);
// Correct password: decrypts and extracts real content.
let ok = process_pdf_with_options(path, PdfOptions::new().password("secret123"))
.expect("correct password should decrypt");
let md = ok.markdown.unwrap_or_default();
// Assert a stable fixture token so a garbled-but-long extraction (the
// encrypted-stream regression this guards) still fails the test.
assert!(
md.contains("Procurement"),
"decrypted markdown should contain the fixture's real text, got {} chars",
md.len()
);
}
#[test]
fn pdf_options_debug_redacts_password() {
let opts = PdfOptions::new().password("secret123");
let dbg = format!("{opts:?}");
assert!(
!dbg.contains("secret123"),
"password leaked in Debug: {dbg}"
);
assert!(dbg.contains("REDACTED"), "expected redaction marker: {dbg}");
}