fixing unicode errors in build: more fixes needed (#1701)

* more fixes needed

* Add missing backslashes

* Check docs in CI

* Revert "Add missing backslashes"

This reverts commit c19ac75.

---------

Co-authored-by: Richard Dominick <34370238+RichDom2185@users.noreply.github.com>

.github/workflows/nodejs.yml

@@ -29,7 +29,9 @@ jobs:
     - name: Install dependencies (apt)
       run: |
         sudo apt-get update && \
-        sudo apt-get install -y --no-install-recommends libxi-dev libgl1-mesa-dev
+        sudo apt-get install -y --no-install-recommends \
+        libxi-dev libgl1-mesa-dev \
+        texlive texlive-fonts-extra texlive-lang-cjk latexmk latex-cjk-all
     - name: Setup Node
       uses: actions/setup-node@v4
       with:
@@ -42,6 +44,8 @@ jobs:
     - run: yarn test-coverage
       env:
         CI: true
+    - name: Check that docs build
+      run:  yarn jsdoc prepare
     - name: Coveralls
       uses: coverallsapp/github-action@master
       with:

docs/lib/list.js

@@ -2,7 +2,7 @@
 
 /**
  * **primitive**; makes a pair whose head (first component) is <CODE>x</CODE>
- * and whose tail (second component) is <CODE>y</CODE>; time: <CODE>Θ(1)</CODE, space: <CODE>Θ(1)</CODE>.
+ * and whose tail (second component) is <CODE>y</CODE>; time: <CODE>Theta(1)</CODE, space: <CODE>Theta(1)</CODE>.
  * @param {value} x - given head
  * @param {value} y - given tail
  * @returns {pair} pair with <CODE>x</CODE> as head and <CODE>y</CODE> as tail.
@@ -11,29 +11,29 @@ function pair(x, y) {}
 
 /**
  *  **primitive**; returns <CODE>true</CODE> if <CODE>x</CODE> is a
- * pair and false otherwise; time: <CODE>Θ(1)</CODE, space: <CODE>Θ(1)</CODE>.
+ * pair and false otherwise; time: <CODE>Theta(1)</CODE, space: <CODE>Theta(1)</CODE>.
  * @param {value} x - given value
  * @returns {boolean} whether <CODE>x</CODE> is a pair
  */
 function is_pair(x) {}
 
 /**
- *  **primitive**; returns head (first component) of given pair <CODE>p</CODE>; time: <CODE>Θ(1)</CODE, space: <CODE>Θ(1)</CODE>.
+ *  **primitive**; returns head (first component) of given pair <CODE>p</CODE>; time: <CODE>Theta(1)</CODE, space: <CODE>Theta(1)</CODE>.
  * @param {pair} p - given pair
  * @returns {value} head of <CODE>p</CODE>
  */
 function head(p) {}
 
 /**
- *  **primitive**; returns tail (second component of given pair <CODE>p</CODE>; time: <CODE>Θ(1)</CODE, space: <CODE>Θ(1)</CODE>.
+ *  **primitive**; returns tail (second component of given pair <CODE>p</CODE>; time: <CODE>Theta(1)</CODE, space: <CODE>Theta(1)</CODE>.
  * @param {pair} p - given pair
  * @returns {value} tail of <CODE>p</CODE>
  */
 function tail(p) {}
 
 /**
  *  **primitive**; returns <CODE>true</CODE> if <CODE>x</CODE> is the
- * empty list <CODE>null</CODE>, and <CODE>false</CODE> otherwise; time: <CODE>Θ(1)</CODE, space: <CODE>Θ(1)</CODE>.
+ * empty list <CODE>null</CODE>, and <CODE>false</CODE> otherwise; time: <CODE>Theta(1)</CODE, space: <CODE>Theta(1)</CODE>.
  * @param {value} x - given value
  * @returns {boolean} whether <CODE>x</CODE> is <CODE>null</CODE>
  */
@@ -43,7 +43,7 @@ function is_null(x) {}
  * **primitive**; returns <CODE>true</CODE> if
  * <CODE>xs</CODE> is a list as defined in the textbook, and
  * <CODE>false</CODE> otherwise. Iterative process; 
- * time: <CODE>Θ(n)</CODE>, space: <CODE>Θ(1)</CODE>, where <CODE>n</CODE>
+ * time: <CODE>Theta(n)</CODE>, space: <CODE>Theta(1)</CODE>, where <CODE>n</CODE>
  * is the length of the 
  * chain of <CODE>tail</CODE> operations that can be applied to <CODE>xs</CODE>.
  * <CODE>is_list</CODE> recurses down the list and checks that it ends with the empty list null
@@ -54,7 +54,7 @@ function is_list(xs) {}
 
 /**
  *  **primitive**; given <CODE>n</CODE> values, returns a list of length <CODE>n</CODE>.
- * The elements of the list are the given values in the given order; time: <CODE>Θ(n)</CODE, space: <CODE>Θ(n)</CODE>.
+ * The elements of the list are the given values in the given order; time: <CODE>Theta(n)</CODE, space: <CODE>Theta(n)</CODE>.
  * @param {value} value1,value2,...,value_n - given values
  * @returns {list} list containing all values
  */
@@ -63,7 +63,7 @@ function list(value1, value2, ...values ) {}
 /**
  * visualizes the arguments in a separate drawing
  * area in the Source Academy using box-and-pointer diagrams; time, space:
- * <CODE>Θ(n)</CODE>, where <CODE>n</CODE> is the total number of data structures such as
+ * <CODE>Theta(n)</CODE>, where <CODE>n</CODE> is the total number of data structures such as
  * pairs in the arguments.
  * @param {value} value1,value2,...,value_n - given values
  * @returns {value} given <CODE>x</CODE>
@@ -82,7 +82,7 @@ function list(value1, value2, ...values ) {}
  * with <CODE>===</CODE> (using the definition of <CODE>===</CODE> in the
  * respective Source language in use).
  * Time, space:
- * <CODE>Θ(n)</CODE>, where <CODE>n</CODE> is the total number of data structures such as
+ * <CODE>Theta(n)</CODE>, where <CODE>n</CODE> is the total number of data structures such as
  * pairs in <CODE>x</CODE> and <CODE>y</CODE>.
  * @param {value} x - given value
  * @param {value} y - given value
@@ -110,8 +110,8 @@ function equal(xs, ys) {
 /**
  * Returns the length of the list
  * <CODE>xs</CODE>. 
- * Iterative process; time: <CODE>Θ(n)</CODE>, space:
- * <CODE>Θ(1)</CODE>, where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
+ * Iterative process; time: <CODE>Theta(n)</CODE>, space:
+ * <CODE>Theta(1)</CODE>, where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
  * @param {list} xs - given list
  * @returns {number} length of <CODE>xs</CODE>
  */
@@ -125,8 +125,8 @@ function $length(xs, acc) {
 /**
  * Returns a list that results from list
  * <CODE>xs</CODE> by element-wise application of unary function <CODE>f</CODE>. 
- * Iterative process; time: <CODE>Θ(n)</CODE> (apart from <CODE>f</CODE>),
- * space: <CODE>Θ(n)</CODE> (apart from <CODE>f</CODE>), where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
+ * Iterative process; time: <CODE>Theta(n)</CODE> (apart from <CODE>f</CODE>),
+ * space: <CODE>Theta(n)</CODE> (apart from <CODE>f</CODE>), where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
  * <CODE>f</CODE> is applied element-by-element:
  * <CODE>map(f, list(1, 2))</CODE> results in <CODE>list(f(1), f(2))</CODE>.
  * @param {function} f - unary 
@@ -147,7 +147,7 @@ function $map(f, xs, acc) {
  * Makes a list with <CODE>n</CODE>
  * elements by applying the unary function <CODE>f</CODE>
  * to the numbers 0 to <CODE>n - 1</CODE>, assumed to be a nonnegative integer.
- * Iterative process; time: <CODE>Θ(n)</CODE> (apart from <CODE>f</CODE>), space: <CODE>Θ(n)</CODE> (apart from <CODE>f</CODE>).
+ * Iterative process; time: <CODE>Theta(n)</CODE> (apart from <CODE>f</CODE>), space: <CODE>Theta(n)</CODE> (apart from <CODE>f</CODE>).
  * @param {function} f - unary function
  * @param {number} n - given nonnegative integer
  * @returns {list} resulting list
@@ -162,7 +162,7 @@ function $build_list(i, fun, already_built) {
 /**
  * Applies unary function <CODE>f</CODE> to every
  * element of the list <CODE>xs</CODE>.
- * Iterative process; time: <CODE>Θ(n)</CODE> (apart from <CODE>f</CODE>), space: <CODE>Θ(1)</CODE> (apart from <CODE>f</CODE>),
+ * Iterative process; time: <CODE>Theta(n)</CODE> (apart from <CODE>f</CODE>), space: <CODE>Theta(1)</CODE> (apart from <CODE>f</CODE>),
  * where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
  * <CODE>f</CODE> is applied element-by-element:
  * <CODE>for_each(fun, list(1, 2))</CODE> results in the calls
@@ -186,7 +186,7 @@ function for_each(fun, xs) {
  * Returns a string that represents
  * list <CODE>xs</CODE> using the text-based box-and-pointer notation
  * <CODE>[...]</CODE>.
- * Iterative process; time: <CODE>Θ(n)</CODE> where <CODE>n</CODE> is the size of the list, space: <CODE>Θ(m)</CODE> where <CODE>m</CODE> is the length of the string.
+ * Iterative process; time: <CODE>Theta(n)</CODE> where <CODE>n</CODE> is the size of the list, space: <CODE>Theta(m)</CODE> where <CODE>m</CODE> is the length of the string.
  * The process is iterative, but consumes space <CODE>O(m)</CODE>
  * because of the result string.
  * @param {list} xs - given list
@@ -209,9 +209,9 @@ function $list_to_string(xs, cont) {
 
 /**
  * Returns list <CODE>xs</CODE> in reverse
- * order. Iterative process; time: <CODE>Θ(n)</CODE>,
- * space: <CODE>Θ(n)</CODE>, where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
- * The process is iterative, but consumes space <CODE>Θ(n)</CODE>
+ * order. Iterative process; time: <CODE>Theta(n)</CODE>,
+ * space: <CODE>Theta(n)</CODE>, where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
+ * The process is iterative, but consumes space <CODE>Theta(n)</CODE>
  * because of the result list.
  * @param {list} xs - given list
  * @returns {list} <CODE>xs</CODE> in reverse
@@ -228,8 +228,8 @@ function $reverse(original, reversed) {
 /**
  * Returns a list that results from 
  * appending the list <CODE>ys</CODE> to the list <CODE>xs</CODE>.
- * Iterative process; time: <CODE>Θ(n)</CODE>, space:
- * <CODE>Θ(n)</CODE>, where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
+ * Iterative process; time: <CODE>Theta(n)</CODE>, space:
+ * <CODE>Theta(n)</CODE>, where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
  * In the result, null at the end of the first argument list
  * is replaced by the second argument, regardless what the second
  * argument consists of.
@@ -251,8 +251,8 @@ function $append(xs, ys, cont) {
  * whose head is identical to
  * <CODE>v</CODE> (using <CODE>===</CODE>); returns <CODE>null</CODE> if the
  * element does not occur in the list.
- * Iterative process; time: <CODE>Θ(n)</CODE>,
- * space: <CODE>Θ(1)</CODE>, where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
+ * Iterative process; time: <CODE>Theta(n)</CODE>,
+ * space: <CODE>Theta(1)</CODE>, where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
  * @param {value} v - given value
  * @param {list} xs - given list
  * @returns {list} postfix sublist that starts with <CODE>v</CODE>
@@ -270,7 +270,7 @@ function member(v, xs) {
  * is identical (<CODE>===</CODE>) to <CODE>v</CODE>.
  * Returns the original
  * list if there is no occurrence. Iterative process;
- * time: <CODE>Θ(n)</CODE>, space: <CODE>Θ(n)</CODE>, where <CODE>n</CODE>
+ * time: <CODE>Theta(n)</CODE>, space: <CODE>Theta(n)</CODE>, where <CODE>n</CODE>
  * is the length of <CODE>xs</CODE>.
  * @param {value} v - given value
  * @param {list} xs - given list
@@ -294,7 +294,7 @@ function $remove(v, xs, acc) {
  * Returns the original
  * list if there is no occurrence.  
  * Iterative process;
- * time: <CODE>Θ(n)</CODE>, space: <CODE>Θ(n)</CODE>, where <CODE>n</CODE>
+ * time: <CODE>Theta(n)</CODE>, space: <CODE>Theta(n)</CODE>, where <CODE>n</CODE>
  * is the length of <CODE>xs</CODE>.
  * @param {value} v - given value
  * @param {list} xs - given list
@@ -317,7 +317,7 @@ function $remove_all(v, xs, acc) {
  * <CODE>pred</CODE>
  * returns <CODE>true</CODE>.
  * Iterative process;
- * time: <CODE>Θ(n)</CODE> (apart from <CODE>pred</CODE>), space: <CODE>Θ(n)</CODE> (apart from <CODE>pred</CODE>),
+ * time: <CODE>Theta(n)</CODE> (apart from <CODE>pred</CODE>), space: <CODE>Theta(n)</CODE> (apart from <CODE>pred</CODE>),
  * where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
  * @param {function} pred - unary function returning boolean value
  * @param {list} xs - given list
@@ -339,7 +339,7 @@ function $filter(pred, xs, acc) {
  * numbers starting from <CODE>start</CODE> using a step size of 1, until
  * the number exceeds (<CODE>&gt;</CODE>) <CODE>end</CODE>.
  * Iterative process;
- * time: <CODE>Θ(n)</CODE>, space: <CODE>Θ(n)</CODE>,
+ * time: <CODE>Theta(n)</CODE>, space: <CODE>Theta(n)</CODE>,
  * where <CODE>n</CODE> is <CODE>end - start</CODE>.
  * @param {number} start - starting number
  * @param {number} end - ending number
@@ -359,7 +359,7 @@ function $enum_list(start, end, acc) {
  * of list <CODE>xs</CODE> at position <CODE>n</CODE>, 
  * where the first element has index 0.
  * Iterative process;
- * time: <CODE>Θ(n)</CODE>, space: <CODE>Θ(1)</CODE>,
+ * time: <CODE>Theta(n)</CODE>, space: <CODE>Theta(1)</CODE>,
  * where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
  * @param {list} xs - given list
  * @param {number} n - given position
@@ -384,7 +384,7 @@ function list_ref(xs, n) {
  * list. Thus, <CODE>accumulate(f,zero,list(1,2,3))</CODE> results in
  * <CODE>f(1, f(2, f(3, zero)))</CODE>.
  * Iterative process;
- * time: <CODE>Θ(n)</CODE> (apart from <CODE>f</CODE>), space: <CODE>Θ(n)</CODE> (apart from <CODE>f</CODE>),
+ * time: <CODE>Theta(n)</CODE> (apart from <CODE>f</CODE>), space: <CODE>Theta(n)</CODE> (apart from <CODE>f</CODE>),
  * where <CODE>n</CODE> is the length of <CODE>xs</CODE>.
  * @param {function} f - binary function
  * @param {value} initial - initial value
@@ -405,7 +405,7 @@ function $accumulate(f, initial, xs, cont) {
  * Optional second argument.
  * Similar to <CODE>display</CODE>, but formats well-formed lists nicely if detected;
  * time, space:
- * <CODE>Θ(n)</CODE>, where <CODE>n</CODE> is the total number of data structures such as
+ * <CODE>Theta(n)</CODE>, where <CODE>n</CODE> is the total number of data structures such as
  * pairs in <CODE>x</CODE>.
  * @param {value} xs - list structure to be displayed
  * @param {string} s to be displayed, preceding <CODE>xs</CODE>

docs/lib/stream.js

@@ -184,7 +184,7 @@ function stream_for_each(fun, xs) {
 /**
  * Returns stream <CODE>xs</CODE> in reverse
  * order. Iterative process.
- * The process is iterative, but consumes space <CODE>Ω(n)</CODE>
+ * The process is iterative, but consumes space <CODE>Omega(n)</CODE>
  * because of the result stream.
  * Lazy? No: <CODE>stream_reverse</CODE> 
  * forces the exploration of the entire stream